bearing, TOK, Inc.



TOK, Inc. was established in 1938 and has been the world leader in the design of mechanical and motion technologies of Plastic Bearing for more than 50 years. We produce various TOK bearings, clutches, dampers, geared motors and torque limiters for use in a wide range of industries, and, among other things, furniture, electric appliances, office equipment, and medical devices. TOK is proud of its high level of quality, customer service, and reliability. In addition, our customers ideas and feedback is very important to us, and our R&D team are happy to create custom made products to develop new, cutting edge technologies for our client's projects. Let us help you on your next design or application with our superior quality products and service.

Company name TOK, Inc.
Location: 1-17-12, Azusawa, Itabashi, Tokyo, 174-8501, Japan
Established: December 1, 1938
President & CEO: Keisuke Yoshikawa
TEL: +81-3-3969-1531
FAX: +81-3-3558-7276

TOK Group History

Dec. 1938 Launched the Yoshikawa Seisakusho Co., Ltd with capital of 190.000 yen Azusawa, Itabashi-ku, Tokyo
Jan. 1946 Changed company name to Yoshikawa Sangyo Co., Ltd.
Jan. 1964 Developed and began highly successful sales of plastic bearings
Jun. 1972
Changed company name to TOK Bearing Co., Ltd.
Apr. 1974
Awarded as a model plant for small business rationalization by the Small and Medium Enterprise Organization(SMEO)
Mar. 1983 Began sales of one-way clutches
Apr. 1986 Merged TOK Seiko Co., Ltd Completed a new TOK Bearing plant in Yamanashi and commenced operations as the Yamanashi plant
Jul. 1989 Began sales of torque limiters and TOK dampers
Jan. 1990 Received a nationwide award from the Small and Medium Business Research Institute
Feb. 1990 Awarded the 15th Invention Grand Prix for the invention of the one-way clutch
Nov. 1991 Received and award for being and environmentally friendly enterprise from The Tokyo Chamber of Commerce of Industry
May. 1994 Awarded as a model plant for small business rationalization for the consecutive 11 years by SMEO
Jul. 1995 Established the Osaka office
Feb. 1996 Established the Yamanashi office
Sep. 1996 Established the Nagoya office
Oct. 1999 Acquired ISO 9001 certification
Nov. 2000 Acquired ISO 14001 certification
Oct. 2001 Established TOK Industry(H.K.)Ltd.
Dec. 2000 Began consignment production of one-way clutches in Yanbao, Shenzhen city
May. 2002 Received the Emperor's royal visit to the Tokyo plant
Nov. 2002 Established Shanghai TOK Precision Damper Bearing Co., Ltd.
Oct. 2004 Established Shenzhen TOK Precision Component Moved to manufacturing base from Yanbao to Longgang
Jan. 2005 Acquired ISO 9001 and 14001 certifications in Shenzhen TOK Precision Component
Feb. 2006 Began sales of magnet type of torque limiters
May. 2006 Awarded as one of 300 small and medium vital manufacturing companies in Japan by SMEO
Dec. 2006 Japanese Prime Minister Abe toured the Tokyo Plant
Jun. 2008 Acquired ISO 9001 and 14001 certifications in Shanghai TOK Precision Damper Bearing Co., Ltd.
Dec. 2012 Established the Product Development Center in Tokyo
Feb. 2014 Established a Representative Office in Dusseldorf, Germany
Dec. 2015 Established TOK America, Inc. in Irvine California, USA
April, 2017 TOK Bearing Co., Ltd. was renamed to TOK, Inc. for the 80th Anniversary
April, 2018 TOK headquarters was relocated
April, 2018 Additions were made to TOK’s Yamanashi plant

Environmental Policy

TOK, Inc., environment

Awareness of environmental conservation is the most important objective for TOK. All of our products: Bearings, One-way clutches, torque limiters, and rotary dampers are carefully monitored during the production process.
We put the utmost effort into conserving the environment and having awareness of environmental issues because what we do to our planet affects us individually and collectively, now and for future generations.

TOK, Inc., environment

1. We recognize the importance of environmental conservation and implement our production activities while taking its environmental impact into consideration.

2. We comply with all applicable requirements related to the environmental aspects of our company. In addition, we endeavor to protect the environment by setting voluntary standards as well, to improve our standards towards having as little environmental impact as possible.

3. Each individual must construct and improve the environmental management system to improve performance and prevent further pollution of the environment.

TOK, Inc., environment

4. When designing products, we implement an environmental management system to conserve and save energy and resources, in order to reduce environmental impact.

5. Continuously setting environmental objectives and targets to improve the environment.

6. Each individual of TOK is aware of these policies and strive reach the goals of our environmental management system.

7. This policy is disclosed to the general public on our website and can be obtained at our reception desk.

ISO 14001 Certification
TOK, Inc. ISO14001

Quality Control

       In order to create products of the highest quality and meet your performance needs, our production team utilizes the best quality control, explained below
ISO 9001 Certification
TOK, Inc. ISO14001