| 1937 |
Founded as a designated shop by the Department of Transportation and started to make and supply locomotive and electric train parts. |
| 1960 |
Started hammering die forging and went into automotive industries. |
| 1961 |
Incorporated as O-oka Forge Corporation in Nagoya city. |
| 1967 |
Takaoka plant was formed in Toyota city. |
| 1971 |
Heat treatment was introduced, Union was formed. |
| 1973 |
Closed-die hot forging was introduced. |
| 1977 |
Cold forging was inrtoduced. |
| 1979 |
Machining process was introduced. |
| 1983 |
Warm forging was inrtroduced. |
| 1987 |
Sasabara plant was built, Cold forging and machining process were transfered to the plant. |
| 1989 |
Precision die and patten shop was built. |
| 1990 |
Changed the company name to O-oka Corporation. |
| 1992 |
Plant Maintenance award class 2 for supperior business operation. |
| 1993 |
Received the 5th "excellent technology and new product award" for small and medium-sized business. |
| 1998 |
Certified QS 9000 / ISO 9001 |
| 2001 |
Certified ISO14001:2004
| Apr. -- |
Opened contact-office in Düsseldorf, Germany. |
|
| 2003 |
| Sep. -- |
Joined to 60th Frankfurt Motor Show. |
| Oct. -- |
Established O-Oka Europe GmbH. |
|
| 2005 |
| Apr. -- |
O-Oka Europe GmbH moved from Düsseldorf to Frankfurt. |
| Jul. -- |
2nd Takaoka Plant Completion. |
| Aug. -- |
Winning the prize of 1st Monozukuri-Japan Award. |
| Dec. -- |
Expanded the forging facilities at Takaoka Plant. |
| Dec. -- |
Winning the prize of Chubu Science and Technology Center Special Award. |
|
| 2006 |
| Apr. -- |
Nominated for “The best 300 small & medium manufacturing enterprise” who leads Japanese industry, by Ministry of Economy, Trade and Industry. |
| Dec. -- |
Winning “Small and Medium Enterprise Agency Director-General Prize” of the 4th Promoting Machine Industry Award. |
| Dec. -- |
Winning “Minister of Economy, Trade and Industry Prize” of the 20th Chunichi Industrial Technical Award. |
| Dec. -- |
Certified ISO/TS 16949. |
|