Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660244 | Hydrogen generating system | Yoshimasa Negishi, Masaaki Yamaoka, Kazumasa Takada, Hiromi Tanaka, Shigeto Kajiwara | 2003-12-09 |
| 4869216 | Ignition distributor for internal combustion engine | Masayasu Ushida, Sigeru Nakao | 1989-09-26 |
| 4700669 | Intake device of an internal combustion engine | Kazuhiro Sakurai | 1987-10-20 |
| 4696201 | Gear assembly for transmitting rotation between two shafts | Kazuo Kato, Shuji Morita | 1987-09-29 |
| 4672939 | Intake manifold for internal combustion engine having exhaust gas recirculation system | Tatsuhisa Yokoi, Eisaku Takeya, Kazuo Abe, Hideyuki Osawa | 1987-06-16 |
| 4647009 | Electromagnetic rotary driving device | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1987-03-03 |
| 4632082 | Device for driving a rotary valve | Kazuhiro Sakurai | 1986-12-30 |
| 4561629 | Solenoid valve | Takaharu Idogaki, Ikuo Hayashi, Hisasi Kawai, Kazuhiro Sakurai | 1985-12-31 |
| 4546338 | Rotary driving apparatus | Takaharu Idogaki, Hisasi Kawai, Tooru Kosuda, Kazuhiro Sakurai | 1985-10-08 |
| 4535815 | Electromagnetic solenoid type flow control valve | Takeharu Ohumi, Yasuo Kurahashi, Kazuhiro Sakurai | 1985-08-20 |
| 4533847 | Rotary drive apparatus with permanent magnets on the rotor and stator | Takaharu Idogaki, Ikuo Hayashi, Hisasi Kawai, Kazuhiro Sakurai | 1985-08-06 |
| 4530374 | Linear motor-actuated flow control valve | Motonobu Akagi, Yasuhiro Kawabata | 1985-07-23 |
| 4496134 | Rotary solenoid actuator | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1985-01-29 |
| 4491815 | Rotary actuator | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1985-01-01 |
| 4483369 | Linear motor-actuated flow control valve | Motonobu Akagi, Yasuhiro Kawabata | 1984-11-20 |
| 4479068 | Stepping motor device for changing the position of a rotating body | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1984-10-23 |
| 4474149 | Flow control valve apparatus | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1984-10-02 |
| 4442997 | Flow control valve apparatus | Takaharu Idogaki, Hisasi Kawai, Kazuhiro Sakurai | 1984-04-17 |
| 4436070 | Apparatus for controlling the proportion of air and fuel in an air-fuel mixture of the internal combustion engine | Motonobu Akagi, Isshi Nomura, Kichiro Kato | 1984-03-13 |
| 4428558 | Proportional solenoid | Takaharu Odogaki, Hisasi Kawai, Takeshi Matsui, Kazuhiro Sakurai | 1984-01-31 |
| 4413471 | Air-fuel ratio control apparatus of an internal combustion engine | Noriyoshi Shibata, Isamu Hagino | 1983-11-08 |
| 4385491 | Engine mixture control system controlling primary and secondary air-fuel mixtures | Kazuhiro Sakurai, Hiroshi Sawada | 1983-05-31 |
| 4375746 | Exhaust gas purifying method of an internal combustion engine | — | 1983-03-08 |
| 4361164 | Method of driving solenoid-operated proportional control valve | Yasuyuki Sakakibara, Hisasi Kawai, Kazuhiro Sakurai | 1982-11-30 |
| 4350319 | Control for an electromagnetic solenoid valve | Shoji Kawata, Kazuhiro Sakurai | 1982-09-21 |