Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553015 | Method of fabricating piston by welding | Masami Ishii, Noriaki Hattori, Junichi Mita | 1985-11-12 |
| 4523551 | Valve actuating device | Hisashi Kodama, Takuro Ono | 1985-06-18 |
| 4522169 | Variable cylinder device for internal combustion engines | Yoshio Okabe | 1985-06-11 |
| 4509467 | Hydraulic lifter system for variable cylinder engines | Hisashi Kodama, Takuro Ono | 1985-04-09 |
| 4462353 | Variable cylinder device for internal combustion engines | Hisashi Kodama, Yoshio Okabe | 1984-07-31 |
| 4438739 | Hydraulic lash adjuster | Hisashi Kodama, Yoshio Okabe | 1984-03-27 |
| 4402285 | Self-contained hydraulic lash adjuster | Hisashi Kodama, Yoshio Okabe | 1983-09-06 |
| 4387675 | Engine valve actuating mechanism having a hydraulic fulcrum lifting device | Takanobu Hori, Hisashi Kodama, Yoshio Okabe | 1983-06-14 |