Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885448 | Photon correlator | Kazunori Tsutsui, Yasushi Zasu, Katsuhiro Morisawa | 2005-04-26 |
| 5150697 | Ignition system | Nobuyuki Oota, Yasutoshi Yamada | 1992-09-29 |
| 5134357 | DC voltage converting device | Shinichiro Iwasaki, Nobuyuki Oota, Yasutoshi Yamada | 1992-07-28 |
| 5113083 | Light scattering measuring apparatus utilizing a photodetector mounted on a rotary stand | Koichi Oka, William Otani, Yasuhiro Kubo, Yasushi Zasu | 1992-05-12 |
| 5097815 | Ignition system for internal combustion engine | Nobuyuki Oota, Yasutoshi Yamada | 1992-03-24 |
| 5056497 | Ignition control system | Nobuyuki Oota, Yasutoshi Yamada | 1991-10-15 |
| 4986233 | Ignition device for an engine | Yoshiyuki Okamoto | 1991-01-22 |
| 4742989 | Motor-driven flow rate control valve device | — | 1988-05-10 |
| 4724812 | Apparatus for controlling the air-fuel ratio for an internal combustion engine | — | 1988-02-16 |
| 4674464 | Electric exhaust gas recirculation valve | — | 1987-06-23 |
| 4571945 | Turbocharger control device with optical turbocharger shaft speed sensing | Masami Inada, Yasuhiro Kawabata | 1986-02-25 |
| 4561469 | Electromagnetic control valve | — | 1985-12-31 |
| 4552249 | Mounting device for spiral spring | — | 1985-11-12 |
| 4530374 | Linear motor-actuated flow control valve | Yasuhiro Kawabata, Kyo Hattori | 1985-07-23 |
| 4512153 | Turbocharger control system | Yasuhiro Kawabata | 1985-04-23 |
| 4504039 | Solenoid actuated valve device | — | 1985-03-12 |
| 4483369 | Linear motor-actuated flow control valve | Yasuhiro Kawabata, Kyo Hattori | 1984-11-20 |
| 4437645 | Electrically driven flow control valve assembly | Isshi Nomura | 1984-03-20 |
| 4436070 | Apparatus for controlling the proportion of air and fuel in an air-fuel mixture of the internal combustion engine | Isshi Nomura, Kyo Hattori, Kichiro Kato | 1984-03-13 |
| 4407244 | Apparatus for controlling the proportion of air and fuel in the air-fuel mixture of the internal combustion engine | Toshio Tanahashi, Kichiro Kato | 1983-10-04 |
| 4373552 | Electromagnetic flow control valve assembly | Shoji Ito | 1983-02-15 |
| 4368759 | Electromagnetic flow control valve unit | — | 1983-01-18 |
| 4366835 | Electromagnetic flow control valve | Isshi Nomura | 1983-01-04 |