Corporate Information

Philosophy

We approach our customers’ challenges from a variety of perspectives and respond with high added value.
Fulfilling our mission contributes to the creation of safe and secure communities and society.
We will go beyond responding to customers’ current challenges and needs by proposing solutions that look one step ahead.

Our Mission
We respond to our customers’ challenges with high added value.
With our extensive experience, technical expertise and distinctiveproblem-solving capabilities, we will respond swiftly to a wide range of challenges and needs.
Our Vision for the Future
We contribute to the creation of prosperous, safe and secure communities and society.
To help realise a sustainable society, we will actively contribute to regional revitalisation and coexistence with local communities, human resource development, and environmental conservation.
Our Values
We will provide “plus one” service.
In addition to extensive experience and technical expertise,
we will offer added value and service through wisdom that combines originality with a sense of humour.

Greeting

Since Yoshiura Komuten was established in 1997, we have developed our business as a general civil engineering and building contractor, focusing on the construction of various shops and facilities and the rental of large construction machinery used in major earthmoving projects throughout Japan.
With “putting customers first” as our management philosophy, we have worked sincerely and wholeheartedly to be of service to our customers at all times and to become an indispensable presence in our communities and society.
We have refined our technical capabilities through numerous projects, including commercial premises and nursery schools. We have also been fortunate in our people — our employees are the Company’s greatest asset — who have been a powerful driver of our business expansion.
Since our establishment, we have grown alongside local communities. We will continue to fulfil our social responsibilities with the aim of being a company that is kind to both people and the environment.
All of us will continue to work diligently, and we sincerely ask for your continued guidance and encouragement.

Representative Director, Yoshiura HD Co., Ltd.
Toshiyuki Yoshiura

Company Profile

Company Name

Yoshiura HD Co., Ltd.

Capital

JPY 30,000,000

Representative

Toshiyuki Yoshiura

Established

2 September 2021

Address

1-19-25 Meinohama, Nishi-ku, Fukuoka 819-0002, Japan

Contact Details

092-832-3237

Business Activities

Heavy Construction Equipment Rental and Sale

Building and Interior Construction

Sale of environmental products; import and sale of chemicals

Photo album planning, production and sales

Organogram

For group management, we will establish a “Group Management Committee” to discuss management strategy and other matters, formulate strategies and support their implementation.

Compliance Committee

The Yoshiura HD Group has established a Compliance Committee to conduct audits across the group.
We will continue to clarify compliance awareness, requirements, rules and regulations and fulfil our social responsibilities as a company.

Roles of the Compliance Committee

  • Promotion of compliance
  • Risk assessment and analysis, and countermeasures office
  • Monitoring and auditing
     

Establishment of an Internal Reporting Contact

  • This system allows a person who discovers an actual or potential compliance violation to report it to the committee.
    Reporters will be protected from legal or internal disadvantage.

Internal reporting contact: Compliance Committee member Takefumi Sumita
Contact: 092-832-3237

Business Activities

Heavy Equipment

We specialise in a wide range of large heavy equipment.

Wheel Loaders

  Manufacturer Model Mass
CAT992 CATERPILLAR 992 105,882kg
CAT988 CATERPILLAR 988 51,602kg
CAT982 CATERPILLAR 982 35,641kg

Bulldozers

  Manufacturer Model Mass
CAT D11 CATERPILLAR D11 104,236kg
CAT D10 CATERPILLAR D10 70,256kg
CAT D8 CATERPILLAR D8 40,150kg
CAT D6 D6 Push-Arm Configuration (Dry Ground) CATERPILLAR D6 D6 Push-Arm Configuration (Dry Ground) 23,436kg
CAT D6 D6 Push-Arm Configuration (Wet Ground) CATERPILLAR D6 D6 Push-Arm Configuration (Wet Ground) 23,866kg
CAT D6 D6 VPAT Configuration CATERPILLAR D6 D6 VPAT Configuration 23,714kg
KOMATSU D475A-5 KOMATSU D475A-5 108,390kg
KOMATSU D375A-6 KOMATSU D375A-6 72,230kg
KOMATSU D155AX-8 KOMATSU D155AX-8 42,800kg
KOMATSU D65PX-18 KOMATSU D65PX-18 21,600kg

Dump Trucks

  Manufacturer Model Mass
CAT 777 CATERPILLAR 777 73,900kg
CAT 775 CATERPILLAR 775 51,700kg
KOMATSU HD785-7 KOMATSU HD785-7 72,300kg
KOMATSU HD605-7E1 KOMATSU HD605-7E1 47,100kg
VOLVO A45J VOLVO A45J 32,300kg
 

Hydraulic Excavators

  Manufacturer Model Mass
CAT 395 CAT 395 91,800kg
CAT 374 CAT 374 71,700kg
HITACHI EX1200-7 HITACHI EX1200-7 115,000kg
HITACHI ZX890LCH-6 HITACHI ZX890LCR-7 89,000kg
 

Building and Interior Construction

Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Kashiwanoha Sakurasaku Mirai Shimomeguro Sakurasaku Mirai Shimomeguro Sakurasaku Mirai Shimomeguro Sakurasaku Mirai Shimomeguro

  • Sakurasaku Mirai
    Nakaitabashi
  • Sakurasaku Mirai
    Suido
  • Sakurasaku Mirai
    Shimomeguro
  • Sakurasaku Mirai
    Warabi
  • Sakurasaku Mirai
    Ichinoe
  • Sakurasaku Mirai
    Nishirokugo
  • Sakurasaku Mirai
    Kashiwanoha
  • Sakurasaku Mirai
    Himonya
  • Sakurasaku Mirai
    Yayoicho
  • Sakurasaku Mirai
    Kugahara
  • Sakurasaku Mirai
    Hatsudai
  • Sakurasaku Mirai
    Asahicho
  • Sakurasaku Mirai
    Harumi
  • Sakurasaku Mirai
    Nishidai
  • Sakurasaku Mirai
    Narimasu
  • Sakurasaku Mirai
    Gokokuji
  • Sakurasaku Mirai
    Denenchofu
  • Sakurasaku Mirai
    Kohinata
  • Sakurasaku Mirai
    Takanodai

Akabane SC Renovation Work

Existing Building, Floors 3, 4 and 6, atré Kawasaki
Renovation Work

JR Bus Kanto, Shirakawa Branch
New Construction

JR East Urban Development, Sobu Branch
New Construction

JR Bus Kanto, Utsunomiya Branch
New Construction

KIOSK / NewDays
Refurbishment Work

Yoshinoya
Gaikan Wako-kita Interchange-dori Store

Yoshinoya
Kanjo Route 4 Shimoseya Store

ICHIRAN (Roppongi Store: Interior Construction)

ICHIRAN (Maebashi Store: New Construction)

Import and Sale of Chemicals

Please note: Prices for the products we handle were revised in October 2025.
For the revised prices, please see this PDF.

覆土代替材 HR

Alternative Landfill Cover HR

NETIS-Registered Product
QS-230022-A(external link)


This liquid agent can be used instead of the soil cover placed over waste buried at final disposal sites. Because it contains a durable high-molecular-weight polymer, it not only prevents dust dispersal but is also expected to reduce rainwater infiltration into the waste layer. To use, dilute HR with water to the desired concentration, spray it, and then allow sufficient drying time.
Download Information

粉塵・侵食防止剤 ストーンウォール

Dust and Erosion Control Agent Stonewall

 NETIS-Registered Product
KK-200056-A(external link)


Used to prevent dust dispersal and protect slopes at civil engineering and construction sites. The high-molecular-weight polymer coats and binds dust particles, providing long-term surface stabilisation. To use, dilute Stonewall with water to the desired concentration, spray it, and then allow sufficient drying time.
Download Information

液体凝集剤 フロック

Liquid Flocculant Floc


A naturally derived liquid flocculant for water treatment. When added to regulating reservoirs or similar bodies of water made turbid by soil or mud, it causes suspended particles to aggregate and settle. Before actual use, a beaker test must be carried out to determine the optimum dosage.

Alternative Landfill Cover
HR

Functions as an Alternative Landfill Cover
Increased landfill capacity
Reduced leachate volume Reduced dust dispersal
Odour suppression Ground stability Suppression of pest occurrence
 
 
福岡大学工学部

Joint research* conducted with the Faculty of Engineering, Fukuoka University

We confirmed that HR performs at least as well as the soil cover used when burying waste at final disposal sites and functions as an alternative landfill cover.


Safety Tests Conducted

Research Presentations

Click to open the PDF file.

2020/9/16
31st Japan Society of Material Cycles and Waste Management Annual Conference

“Study on Leachate Control Using an Alternative Landfill Cover”

2020/12/21
42nd National Urban Cleansing Research and Case Study Conference

“Study on Leachate Volume Control Using an Alternative Landfill Cover (Part 2)”

2021/10/26
32nd Japan Society of Material Cycles and Waste Management Annual Conference

“Study on Leachate Volume Control Using an Alternative Landfill Cover (Part 3)”

2022/1/25
33rd Japan Society of Material Cycles and Waste Management Annual Conference

“Study on Leachate Volume Control Using an Alternative Landfill Cover (Part 4)”

2023/9/20
34th Japan Society of Material Cycles and Waste Management Annual Conference

“Verification Experiment on the Dust-Suppression Effect and Duration of an Alternative Landfill Cover”

2024/1/24
45th National Urban Cleansing Research and Case Study Conference

“Study on Suppressing Hydrogen Sulphide Gas Generation Associated with the Landfilling of Waste Gypsum Board and Other Materials”

2024/9/10
35th Japan Society of Material Cycles and Waste Management Annual Conference

“Verification Experiment on the Rainwater Infiltration Suppression Effect of an Alternative Landfill Cover (Part 2)”

2025/2/6
46th National Urban Cleansing Research and Case Study Conference

“Verification Experiment on Rainwater Infiltration Suppression by an Alternative Landfill Cover Applied to Fly-Ash Cover Material”

2025/9/17
36th Japan Society of Material Cycles and Waste Management Annual Conference

“Verification Test of Optimum Soil Application Conditions for an Alternative Landfill Cover”

2026/1/22
47th National Urban Cleansing Research and Case Study Conference

“Verification Test of Optimum Soil Application Conditions for an Alternative Landfill Cover (Part 2)”

Application Examples

[Stonewall] Dust-Control Work at Itohiki Park [Stonewall] Dust-Control Work at Itohiki Park [Stonewall] Dust-Control Work at Itohiki Park [Stonewall] Dust-Control Work at Itohiki Park [HR] Zenjoji Construction Work on the Shin-Meishin Expressway [HR] Zenjoji Construction Work on the Shin-Meishin Expressway [HR] Zenjoji Construction Work on the Shin-Meishin Expressway [HR] Zenjoji Construction Work on the Shin-Meishin Expressway [HR] Main Construction Work for Aigawa Dam [HR] Main Construction Work for Aigawa Dam [HR] Main Construction Work for Aigawa Dam [HR] Main Construction Work for Aigawa Dam [HR] Sakaizawa River Regulating Reservoir Construction Work in the Higashi-Fuji Area [HR] Sakaizawa River Regulating Reservoir Construction Work in the Higashi-Fuji Area [HR] Sakaizawa River Regulating Reservoir Construction Work in the Higashi-Fuji Area [HR] Sakaizawa River Regulating Reservoir Construction Work in the Higashi-Fuji Area


Experiment Videos

Water Permeability Experiment

Related Product
Alternative Landfill Cover HR

Surface Runoff Experiment

Related Product
Alternative Landfill Cover HR

Dust Dispersal Experiment: HR 15%

Related Product
Alternative Landfill Cover HR

Floc Jar Test

Related Product
Liquid Flocculant Floc

Wedding Album Planning and Production

We select materials based on the concept of “evolving with age, rather than deteriorating,” and plan and produce innovative wedding albums with high quality and a luxurious feel.
Through partnerships with specialist brands in their respective fields and by employing in-house designers, we aim for quality and design a level above the rest, and develop products with freedom of style and freedom of design in mind.

Learn More 

 

iTRAYアルバム

Sustainability

SDGs


Our Commitment to the SDGs

The Yoshiura HD Group is guided by the management philosophy of “putting customers first” and continues to work actively to embed and put this philosophy into practice, comply with laws and regulations, protect the environment, contribute to communities and society, and employ and develop people. As a company that has declared its commitment to the SDGs, we also work to address environmental issues and challenges facing local communities.
The Sustainable Development Goals (SDGs) are international goals comprising 17 goals and 169 targets for achieving a sustainable society, with a pledge to leave no one on Earth behind by 2030.
The Yoshiura HD Group supports the principles of the SDGs and aims to grow sustainably with local communities by contributing to the achievement of these goals.

Contributing to the Environment

  • Through the products we handle, we will contribute to extending the life of disposal sites and reducing the burden on water-treatment facilities.
  • To reduce CO₂ emissions, we will work to curb electricity consumption by introducing LED lighting and other measures.
  • All group companies use business cards made with sustainable paper.
 

Supporting Diverse Ways of Working

  • We will establish and operate a system that clarifies the purposes and goals of work and fairly evaluates contributions to realising our management philosophy.
  • For routine administrative work, we will promote the use of IT so that we can focus more on solution-oriented sales activities that meet customers’ needs.
  • We will raise all employees’ awareness of compliance with traffic rules and work to reduce accidents both during and outside working hours.
  • IT tools and other resources will be used actively to improve productivity per employee and develop people who are highly motivated to achieve their goals.
 

Contributing to Local Communities

  • We will support community meal programmes for children, provide nutritious meals and warm, home-cooked food, and offer food education through cooking.
 

Partnerships

  • We will act as a hub for the flows of commerce, logistics, finance and information throughout the supply chain of manufacturers, wholesalers and retailers. We will also work through sustainable partnerships linking industry, academia, government and financial institutions.
  • We will actively collaborate with universities on analyses of the composition and functions of the products we handle, as well as on various demonstration tests.

Group Companies

Our group includes a wide range of companies: in addition to Yoshiura Co., Ltd. and Yoshiura Komuten Co., Ltd., which operate in construction equipment rental and general civil engineering and building construction,
there are also companies engaged in the planning and production of wedding-related albums.

Yoshiura Co., Ltd. Website (external link)

Address

1-19-25 Meinohama, Nishi-ku, Fukuoka, Japan

Telephone

092-832-3237

Representative

Sei Inoue

Established

20 February 1997

Main Business Activities

Heavy Construction Equipment Rental and Sale
Import and Sale of Chemicals

Yoshiura Komuten Co., Ltd.

Address

Libera Building 2F, 2-4-11 Omorihoncho, Ota-ku, Tokyo, Japan

Telephone

03-5753-3851

Representative

Ryoichi Yamasaki

Established

1 April 2021

Main Business Activities

Building and Interior Construction

Maruko Juki Co., Ltd.

Address

1-19-25 Meinohama, Nishi-ku, Fukuoka, Japan

Telephone

092-844-2539

Representative

Kentaro Matsubara

Established

6 July 1998

Main Business Activities

Heavy Construction Equipment Rental and Sale

iTRAY Co., Ltd. Website (external link)

Address

1-19-25 Meinohama, Nishi-ku, Fukuoka, Japan

Telephone

092-400-0226

Representative

Kentaro Matsubara

Established

1 August 2013

Main Business Activities

Photo album planning, production and sales

Contact

 

Privacy Policy (Personal Information Protection Policy)

Yoshiura HD Co., Ltd. will comply with the Act on the Protection of Personal Information, guidelines and other guidance on the protection of personal information, and other applicable laws and regulations concerning the protection of personal information in its handling of personal information it obtains.

1. Definitions of Personal Information and Personal Data

Personal information means information about a living individual that falls under any of the following categories.

① Information that can identify a specific individual through a name, address, date of birth, gender, occupation, telephone number, email address or other details contained in that information.

② Information that does not by itself identify a specific individual but can readily be matched with other information, thereby identifying a specific individual.

③ Information containing an individual identification code as defined in Article 2, paragraph 2 of the Act on the Protection of Personal Information (hereinafter referred to as the “Personal Information Protection Act”).

2. Security Management of Personal Information

The Company will implement appropriate organisational, physical, personnel and technical measures for the protection of personal information, and will take necessary and appropriate measures to prevent the leakage, loss or damage of personal information it handles and otherwise ensure its secure management.

3. Requirements for the Acquisition and Other Handling of Personal Information

The Company will comply with the following requirements when acquiring, using and providing personal information.

(1) Acquisition of Personal Information
To the extent necessary to operate the online information-provision website managed by the Company (hereinafter referred to as the “Website”), the Company may obtain personal information about general users of the Website (hereinafter referred to as “Users”) or persons placing advertisements on the Website (hereinafter referred to as “Advertisers”) from those Users or Advertisers.

(2) Purposes of Use of Personal Information
Except where required by law or where the individual has given consent, the Company will not use personal information it obtains beyond the extent necessary to achieve the following purposes of use.

① To operate, maintain and manage the Website.

② To deliver materials and catalogues relating to the products handled by the Company or its services that are requested through the Website.

③ To propose plans to customers concerning the products handled by the Company or its services.

④ To provide and introduce services through the Website.

⑤ To conduct questionnaires to improve the quality of the Website and to survey customers’ usage and satisfaction.

⑥ To respond to customers’ opinions and requests concerning the products handled by the Company or its services.

⑦ To provide and carry out after-sales service, maintenance and related work for the products handled by the Company.

⑧ To provide customers’ personal information and personal data to third parties in order to achieve the purposes of use listed in ① through ⑦ above.

4. Joint Use

To achieve the purposes of use described in Section 3(2) above, the Company will jointly use customers’ personal data within the following scope.

(1) Categories of personal data to be jointly used
All of the customer’s personal data, unless the customer specifically requests otherwise.

(2) Scope of joint users
Yoshiura HD Co., Ltd. and its domestic subsidiaries and affiliated companies.

(3) Purposes of use by joint users
Same as Section 3(2) above.

(4) Name of the person or entity responsible for the management of the personal data concerned

5. Provision to Third Parties

When entrusting all or part of the handling of personal information to a third party, the Company will thoroughly examine the third party’s suitability and exercise necessary and appropriate supervision over that party to ensure secure management of the personal information entrusted to it.

6. Management of Customers’ Personal Information

(1) In addition to conducting education and awareness activities for all officers and employees, the Company will appoint a person responsible for each department handling personal information and endeavour to manage customers’ personal information appropriately.

(2) The Company will endeavour to maintain the security of its websites and other systems to prevent unauthorised access to, leakage, loss or damage of customers’ personal information.

(3) The Company and the joint users will endeavour to handle and protect customers’ personal information appropriately and prevent its leakage, further provision or disclosure to third parties, or use outside the purposes described in Section 3(2) above.

6. Changes to the Purposes of Use of Personal Information

In principle, the Company will not change the purposes of use specified in the preceding section without first obtaining the individual’s consent. However, this does not apply where the revised purposes are reasonably considered to be substantially related to the original purposes and the revised purposes are announced in advance.

7. Improvement and Review of the Handling of Personal Information

The Company will inspect its handling of personal information, management systems and initiatives, and will continuously improve and review them.

8. Deletion and Disposal of Personal Information

When personal information is no longer necessary in light of its purposes of use, the Company will delete or dispose of it. Such deletion and disposal will be carried out, to the extent necessary for business operations, by necessary and appropriate methods to prevent risks such as disclosure outside the Company.

9. Compliance with Applicable Laws and Regulations

The Company will comply with Japanese laws and regulations concerning personal information and with guidelines and other requirements established by the Personal Information Protection Commission.

10. Changes to and Notification of This Policy

The Company may change this policy as necessary. As customers cannot be individually notified of every change, please refer to the latest version published on the Company’s website for the current policy.

11. Cookies

(1) Some pages on the Company’s website use cookies to make the website more convenient when customers return. Cookies can identify the information device used by a customer’s computer, but cannot identify the customer personally unless the customer enters personal information. Depending on the browser, cookies can be disabled by changing its settings; however, doing so may make some or all website services unavailable. Customers can also delete all cookies on their devices or configure their browsers not to store cookies. In that case, browser settings may need to be adjusted again when visiting the website, and website functionality may be affected.

(2) The Company may use cookies in the following cases.

① When revising or removing website content to improve customer satisfaction.

② When providing services customised to individual customers.

③ When analysing which services interest customers.

④ When using cookies to deliver effective advertising on the website.

12. Contact for Complaints and Enquiries

The Company designates the following contact and responsible person for the handling of personal information.
Yoshiura HD Co., Ltd.
〒 814-0002 1-19-25 Meinohama, Nishi-ku, Fukuoka, Japan
Tel:092-832-3237
Person responsible for personal information complaints and enquiries: Takefumi Sumita

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