Company Overview

Company Profile

Trade Name TECHNOS CO., LTD.
Head Office 2-1 Honohara, Toyokawa-shi, Aichi Prefecture, Japan
Established February 1996
Capital 470 million yen
Number of Employees 127 (as of April, 2026)
Executives

  • Fumiaki Yamashita

    President and Representative Director*1

  • Katsuyoshi Otake

    Director*2 (General Manager, Administraion Division)

  • Hideomi Taniyama

    Director*3 (General Manager, Toyokawa Plant)

  • Toshiaki Hotta

    Director

  • Takeshi Nakayama

    Director

  • Toru Sugiura

    Director

  • Noboru Ogawa

    Director

  • Takayuki Aono

    Director

  • Tomoyasu Tabe

    Managing Executive Officer (General Manager, Tokyo Office)

  • Hirotada Naito

    Executive Officer (General Manager, Sales Division, Toyokawa Plant)

  • Osamu Koizumi

    Executive Officer (Deputy General Manager, Tokyo Office)

  • Chikara Satori

    Auditor

  • *1Concurrently serves as Executive President
  • *2Concurrently serves as Managing Executive Officer
  • *3Concurrently serves as Executive Officer
Amount of Sales 6,174 million yen (FYE 2025 March, 2026)
Main banks
  • Sumitomo Mitsui Banking Corporation
  • MUFJ Bank, Ltd
  • Toyokawa Shinkin Bank
  • The Shoko Chukin Bank, Ltd.
Main qualifications
  • Special Construction Business License, granted by the Minister of Land, Infrastructure, Transport and Tourism. License No.: (Toku-3) No. 24377
  • Certified Factory for Manufacturing Sewage Equipment (Japan Sewage Works Association)
  • Steel Segment for Sewage Shield Construction: No. 52302
  • Construction Consultant: Ken-04 -5930
  • Research Institute for Soil Contamination Countermeasures Act Designated by the Ministry of Environment: 2006-3-3002
  • First-class architect office registered with the Governor of Tokyo No. 64401
Business Description
  • Construction consultant
  • Segment fabrication
  • The development, design, and manufacturing of machinery equipment for construction work
  • The development, design, manufacturing, installation, repair and maintenance of special-purpose machines
  • Leasing business of steel frame erection system “ACEUP”
  • Civil engineering structures renewal work
  • Underground continuous wall foundation work
  • Cast-in-place piling work
  • Soil improvement work
  • Slope greening work
  • Soil underwater pollution survey and countermeasure work
  • Buried waste survey and countermeasure work
  • Planning, design, fabrication, and istallation for waste treatment plants
  • Waste treatment and arrangement of disposal destination
  • Environmental assessment
  • Consulting and work of dismantling refuse incineration plant

Corporate History

1946 KUMAGAI GUMI Co., Ltd., now TECHNOS CO., LTD.’s parent company, opened its Nagoya plant as the first independent machine manufacturer for general contractor.
1958 Relocated to Toyokawa City in Aichi Prefecture and restarted as Toyokawa Plant of KUMAGAI GUMI Co., Ltd.
1996 Spun off as an independent entity, KUMAGAI TECHNOS CO., LTD.
2002 Changed the company name to TECHNOS CO., LTD.
Merged with a foundation construction company, SANPOU TECHNO CONSTRUCTION CO., Ltd.
2008 Merged with ECO TECHNO CO., Ltd., an environmental business company.
2009 TECHNOS Head office obtained ISO9001 certification: Certification Number ISAQ385.
2011 Started renovation business.
Established Ho Chi Minh City Representative Office.
2012 Established Taiwan Branch.
2019 Established Singapore Branch.
2026 Closed Ho Chi Minh City Representative Office.

The number of personnel with major licenses and qualifications (as of April, 2026)

First-class Certified Architect 3 people
Certified Engineer in the Construction Division 6 people
Certified Engineer in the General Engineering Management Division 2 people
First-class Civil Construction Management Engineer 30 people
First-class Construction Management Engineer 4 people
First-class Electrical Work Construction Management Engineer 2 people
Type-3 Chief Electrical Engineer 1 person
First-class Construction Business Accountant 4 people

Status of Intellectual Property Activities (as of March, 2026：only in Japan)

Patent rights 31 cases
Patent pending 13 cases
Design rights 12 cases
Trademark rights 9 cases

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