1976 -
- 1976
- Teruyoshi Taniguchi founded KYOWA SEIKO Manufacturing In Saitama-ken Iwatsuki-shi Suwa 5-chome
- Assemle the gas lighter
- 1977
-
KYOWA SEIKO Manufacturing Co.,Ltd. was reorganized as KYOWA SEIKO Co., Ltd.
Capital 2 million yen
- 1978 -
- Begin assembling of tape recorder and VTR parts
- 1982
- Start assembling Car stereo and the printer for PC
1984 -
- 1984 -
- Enter into advanced technology fields such as electronic components
- Inspection business of video related iquipment started
- 1991
- Began assembling OA equipment parts
- 1994
- Established Saitama plant in Hasudashimizu industrial Park
- 1999
- Certification 『ISO9002:1994』(Saitama plant)
2001 -
- 2001
- Capital increased to 66 million yen
- Rebuilt the head office building and Established Clean room (Head office)
- Introduction of injection molding epuiment , and Started plastic molding business(Saitama plant)
- 2002
- Established Higashi-hiroshima plant
- 2002
- Started manufacturing mobile phone related parts
- 2003
- Began assembling health care related parts
2003 -
- 2003
- Established a Clean room for the molding (Saitama plant)
- Start molding of plastic lens. (Saitama plant)
- 2006
- Expanded molding clean room and added molding machines(Saitama plant)
- Obtain medical epuipment manufacturing permission（classｌ）(Saitama plant)
- Started Manufacturing parts for medical equipment (Saitama plant)
- 2007
- Established Clean room (Higashi-hiroshima plant)
- 2008
- Obtain medical epuipment manufacturing permission（classｌ）
- Started Manufacturing parts for medical equipment (Head office)
2016 -
- 2016
- Registration of medical device manufacturing industry (Saitama plant)
- 2017
- Started manufacturing cosmetics-related parts (Head office)
- 2018
- Registration of medical device manufacturing industry (Head office )
- 2018
- Transfer 『ISO９００１：２０１５』 (Saitama plant)