Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926636 | Engine-control apparatus | Seiji Tashima, Haruo Okimoto, Toshimichi Akagi, Masami Nakao, Ikuo Matsuda +1 more | 1990-05-22 |
| 4909035 | Control system for a turbo-supercharger of an internal combustion engine | Ikuo Matsuda | 1990-03-20 |
| 4745753 | Engine turbo-supercharger control | Ikuo Matsuda, Masami Nakao | 1988-05-24 |
| 4730456 | Turbo-supercharger for an internal combustion engine | Ikuo Matsuda | 1988-03-15 |
| 4702219 | Supercharged engine | Haruo Okimoto, Toshimichi Akagi | 1987-10-27 |
| 4627395 | Intake system for rotary piston engines | Haruo Okimoto, Ikuo Matsuda | 1986-12-09 |
| 4612770 | Turbocharged engine with exhaust purifier | Ikuo Matsuda, Haruo Okimoto | 1986-09-23 |
| 4612904 | Fuel injection system for internal combustion engines | Haruo Okimoto | 1986-09-23 |
| 4566412 | Intake system for rotary piston engine | Hideo Shiraishi, Haruo Okimoto | 1986-01-28 |
| 4566422 | Fuel intake system for a supercharged engine | Haruo Okimoto, Ikuo Matsuda | 1986-01-28 |
| 4562805 | Intake system for rotary piston engine | Haruo Okimoto, Hideo Shiraishi | 1986-01-07 |
| 4562803 | Intake system for rotary piston engine | Haruo Okimoto, Hideo Shiraishi, Toshimichi Akagi | 1986-01-07 |
| 4562804 | Intake system for rotary piston engine | Haruo Okimoto, Ikuo Matsuda | 1986-01-07 |
| 4513707 | Multiple port intake means for rotary piston engines | Haruo Okimoto, Ikuo Matsuda | 1985-04-30 |
| 4502435 | Intake system for multiple cylinder internal combustion engine | Toshimichi Akagi | 1985-03-05 |
| 4488531 | Plural intake system for supercharged engine | Haruo Okimoto, Masami Nakao, Masato Iwaki | 1984-12-18 |
| 4470394 | Supercharger control means for internal combustion engine | Ikuo Matsuda, Haruo Okimoto | 1984-09-11 |
| 4459809 | Turbocharger bypass control for internal combustion engines | Masami Nakao, Haruo Okimoto, Masato Iwaki | 1984-07-17 |
| 4425883 | Intake means for two-rotor type rotary piston engines | Nobuhiro Hayama, Toshimichi Akagi | 1984-01-17 |
| 4423711 | Multiple port intake means for rotary piston engines | Nobuhiro Hayama, Toshimichi Akagi | 1984-01-03 |
| 4404804 | Internal combustion engine having a turbo-supercharger and a catalytic exhaust gas purifying device | Masato Iwaki, Haruo Okimoto | 1983-09-20 |
| 4331113 | Device for selective combustion in a multi-cylinder engine | Masami Nakao, Toshimichi Akagi | 1982-05-25 |
| 4315488 | Rotary piston engine having supercharging means | Haruo Okimoto | 1982-02-16 |
| 4315489 | Rotary piston engine having supercharging means | Haruo Okimoto, Yasuo Honda, Hiroshi Nomura, Masato Yoshimura | 1982-02-16 |
| 4278639 | Catalytic converter for purifying gases | Yasuo Honda | 1981-07-14 |