1924
Takino Rubber Industry Co. established. Bicycle tire factory built in Mukojima, Tokyo.

1944
Kokoku Rubber Industry Co., Ltd. established by the merger of five rubber companies with Takino Rubber at the center.

1949
Kambara Factory established in Shizuoka Prefecture, starting production of industrial rubber components.

1950
Sales office established in Okachimachi, Tokyo.

1953
Akabane Factory established in Kita-ku, Tokyo.

1957
Emphasis shifted from bicycle tires to industrial components.
R&D Center established within Akabane Factory.

1961
Kambara Factory expanded (currently Shizuoka Rubber).
Started extruding hoses at Mukojima Factory.

1963
Headquarters moved from Sumida-ku to Okachimachi, Taito-ku.

1965
Ohama Factory established in Shizuoka Prefecture.

1966
Started move towards high-function component manufacturing.

1968
Utsunomiya Factory established in Tochigi Prefecture.

1969
Tire tube production discontinued.

1970
Full-scale production of medical components started at Ohama Factory.

1972
Diaphragm production started at Akabane Factory.

1974
Osaka Sales Office established.

1976
Headquarters moved from Okachimachi to current location in Kojimachi.

1977
Electro-conductive rubber production started at Akabane Factory.

1979
R&D Center moved to current location in Inamachi, became independent from Akabane Factory.

1980
Distribution Center established in Urawa, Saitama. New factory established at current location in Kambara.
EPDM keyboard contact TF Rubber material production started at Kambara.
Electro-conductive plastic DEP material developed at R&D Center.

1983
Los Angeles Sales Office established.

1985
Chicago Sales Office established. R&D Center became an independent corporation. Kokoku Rubber Technologies Co., Ltd. Electronic Device Research Lab established in Yoga, Tokyo, developing pressure-sensitive electro-conductive rubber material. Nagoya Sales Office established.

1986
Kokoku Rubber Inc. established in USA.

1988
Kentucky Factory established in Richmond, KY.

1989
Eno Scientific Foundation established under the auspices of Japanese Ministry of Education. First OEM graphic computer sold under My First Sony brand name.

1990
Hard drive components production started.

1991
Rechargeable battery safety valve production started at Ohama Factory.

1992
Name changed to Kokoku Intech Co., Ltd.

1994
Thai Kokoku Rubber Co., Ltd. established in Thailand.

1995
Singapore Branch established.
Ayutthaya Factory established in Thailand.

1996
Photo copier transfer belt production started at Kambara Factory.

1998
Tochigi Rubber Co., Ltd. established by the acquisition of Takino Rubber.

1999
Shizuoka Rubber Co., Ltd. established by spin-off from Kambara Factory.

2000
Color laser printer intermediate transfer belt production started at Ohama Factory.

2001
Kokoku (Shanghai) Precision Rubber Co., Ltd. established in China.

2005
Ayutthaya No. 2 Factory - dedicated for extrusion process - established in Thailand.

2007
Bangkok Sales Office established in Thailand. New Delhi Branch established in India.

2009
Kokoku Intech India Pvt. Ltd. established in India.

2011
Neemrana Factory established in India.