YUASA Co.,Ltd

COMPANY PROFILE

Corporate Philosophy

Management Policies

  • Establish the concept of market-in
  • Ensure reliable safety, delivery management, quality and cost
  • Cultivate a cost-effective company
  • Healthy working environments for employees and their professional development

Quality and Action Policies

  • Quality Policies:On-time delivery of products that satisfy all customer requirements.
  • Quality Target: “Non-shipment of inferior goods from the factory”
  • Action Guideline: “Support management decisions”

Environmental Policies

  • We will comply with related laws and regulations statutes etc.
  • Promote prevention of pollution and strive to protect the environment.
  • Pay attention to adaptation to the effects of climate change.
  • Promote resource and energy conservation and strive to reduce environmental burden.
  • We will work on restraining waste generation, recycling, and building a recycling-oriented society.
  • Utilizing the environmental management system, we set environmental objectives and targets, periodically review them and work on continuous improvement.

Management System

Company Profile

Name YUASA CO.,LTD.
Founded Jan. 1947
Capitalization 92 million yen
Fiscal term The end of September per year
Organization of Chairman Hirohumi Yuasa
Director Hirosi Ohara
Director Jun Iwano
Part-time director Naomi Yuasa
Employees 154 (Aug. 2025)
Business Lines

Head Office

a) Crankshaft machining (Mass production and trial production)

  • Products for diesel engines
  • Products for gasoline engines
  • Products for compressors
  • Products for racing (motorcycles and motor vehicles),etc.

b) Precision machining

  • Machining of components to be used in printing machines
  • Processing of corrugated roll
  • Machining of special precision components

YUASA SATO (Thailand) CO.,LTD

a) Crankshaft machining (Mass Production)

  • Products for diesel engines
  • Products for gasoline engines

Hydraulic Equipment Division

a) Design and production of hydraulic equipment

  • Cylinders for construction machines
  • Cylinders for home elevators
  • Cylinders for industrial machinery

b) Design, production and sales of telescopic mast

  • Mast systems for broadcast vans, monitoring cameras, lighting, etc.

CORPORATE CALENDER

FACILITIES CALENDER
Tokyo Branch 2026 calender
Head office factory
Mitsu Factory
Shinshiro Factory		 2026 calender
2026 silver calender
2026 gold calender
Thai Factory 2026 calender日

HISTORY

Jan-1947 Established as Toyo Motor Industry Co., Ltd. in Okayama Prefecture Okayama City Kosei-cho
Aug-1959 Construction of No. 2 factory
Jun-1961 (Cooperative) Construction of Kume factory within Okayama Iron Works Center
Sep-1961 Established as Toyo Heavy Industries, separating and separating the 2nd factory
Sep-1965 Head office building in Okayama prefecture Okayama city Kosei-cho
Dec-1970 Integrated relocate head office factory in accordance with Kume factory expansion
At the same time head office will also relocate
Apr-1971 Computing center Computer division opened
Oct-1975 YOUCOM (Former Toyo Calculation Center) Isolated Independence
Jun-1980 Construction of hydraulic equipment special factory
Jan-1983 Company name changed to Yuasa Co., Ltd.
Jan-1984 Construction of crankshaft special factory
Apr-1986 Construction of crankshaft integrated production line
Apr-1987 Tokyo branch opened
Apr-1988 Osaka Sales Office opened
Oct-1990 System equipment division opened
Jun-2001 Acquired ISO 9002 certification
Dec-2001 Acquired ISO 9001 certification
Aug-2002 Relocation of hydraulic equipment plant assembly department (Okayama-shi Nobutomo) Relocation
Hydraulic Equipment Factory Mechanical Engineering Department (Kurashiki City Shimosho) Relocated
Yuasa system equipment factory relocated to Okayama prefecture general corporation city southern groove.
May-2005 Completion of third plant in crank
Nov-2006 Yuasa system equipment completed Kibitsu factory
Aug-2007 Completion of Mitsu factory of hydraulic equipment manufacturing department
Oct-2008 New factory completed in Shinshiro city, Aichi prefecture
Apr-2009 Introduction of medium-sized crank processing equipment
Aug-2010 Acquired ISO 14001 certification
Jul-2013 Thailand plant started operation at Amataashi Industrial Estate, Thailand
Dec-2015 Hirohumi Yuasa assumed office president
May-2019 Acquired AS9100 certification(Manufacture of aircraft crankshafts at the head office factory )
May-2022 Construction of the 5th crank factory begins.
Apr-2023 New warehouse completed at Thai factory
Jul-2023 Construction of a new warehouse at the Thailand plant
Oct-2023 Ended ISO14001 certification

Affiliate

YUASA SYSTEM CO., LTD. Design, manufacture and sale of all labor-saving equipment including machinery, electricity, operation software Design manufacture and sale of endurance testing machine