Histories
History of Oya Manufacturing

2022 - 2020
2022
- New factory opened in Hiyoshi, Yokohama
2021.03
- Started selling soybean sorting machines
2020
- Friction welding certified as a low-carbon technology by Kawasaki City

2019 - 2014
2019
- Factory power converted to substantially renewable energy
2018
- Participated in Kawasaki City IOT Lab. Introduction of a history management system including heat input temperature to pressure welding machines.
2017
- Manufacturing subsidy adopted. Labor-saving machines introduced.
2014
- Kenji Oya becomes the third president

1999 - 1961
1993
- Increased capital to 10 million yen
1982
- Capital increased to 8 million yen
1974
- Keisuke Oya becomes the second president.
1971
- Established as Oya Seisakusho Co., Ltd.
1966
- Started manufacturing high pressure hose fittings using friction welding method
1961.02
- Oya Seisakusho Limited was founded as a metal parts processing company (Founder: Oya Motojiro)