Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183011 | Method of controlling the supply of fuel in hydrogen-fueled engine | Isao Fujii, Yoichi Ishida, Hiromi Matsuura | 1993-02-02 |
| 5081971 | Intake system for internal combustion engine | Kazuo Inoue, Hiroshi Sono | 1992-01-21 |
| RE33411 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Masaaki Katoh | 1990-10-30 |
| RE33310 | Valve operating and interrupting mechanism for internal combustion engine | Shigemasa Kajiwara | 1990-08-28 |
| 4869214 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Masaaki Katoh | 1989-09-26 |
| 4793296 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Masaaki Katoh | 1988-12-27 |
| 4790274 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Masaaki Katoh | 1988-12-13 |
| 4788946 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Masaaki Katoh | 1988-12-06 |
| 4787346 | Valve operating apparatus for an internal combustion engine | Atsushi Ishida | 1988-11-29 |
| 4741297 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Masaaki Katoh, Kazuo Inoue | 1988-05-03 |
| 4727831 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Masaaki Katoh, Kazuo Inoue | 1988-03-01 |
| 4727830 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Masaaki Katoh, Kazuo Inoue | 1988-03-01 |
| 4612884 | Valve operating and interrupting mechanism for internal combustion engine | Shigemasa Kajiwara | 1986-09-23 |
| 4537164 | Valve actuating apparatus | Masaaki Matsuura | 1985-08-27 |
| 4489686 | Torch ignition type internal combustion engine | Shizuo Yagi, Isao Fujii | 1984-12-25 |
| 4469061 | Valve actuating method for internal combustion engine with valve operation suspending function | Shoichi Honda, Masaaki Matsuura | 1984-09-04 |