Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825822 | Rocker arm arrangement for multi-valve internal combustion engine | Shigeo Muranaka, Shigeru Kamegaya, Tooru Yoshimura | 1989-05-02 |
| 4791893 | Valve train arrangement for multi-valve engine | Shigeo Muranaka, Shigeru Kamegaya | 1988-12-20 |
| 4567861 | Engine valve operating system for internal combustion engine | Seinosuke Hara, Yasuo Matsumoto | 1986-02-04 |
| 4517134 | Variable venturi carburetor | Ken Nakamura, Tadashi Nagai, Giichi Shioyama, Eiichi Ohnishi, Junichi Yokoyama +1 more | 1985-05-14 |
| 4489014 | Variable venturi carburetor | Tadashi Nagai, Eiichi Ohnishi, Giichi Shioyama | 1984-12-18 |
| 4442808 | Combustion chamber for spark ignition internal combustion engine | Saburo Tsutsumi, Kichihiko Dozono, Kazuya Kunii | 1984-04-17 |
| 4240392 | Retractable glow plug for diesel engine | Masayuki Tamura, Yoshiro Anegawa | 1980-12-23 |