Issued Patents All Time
Showing 201–216 of 216 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4232642 | Ignition timing control system for internal combustion engines | Hiroaki Yamaguchi, Minoru Nishida, Kenji Goto, Daisaku Sawada, Takashi Shigematu | 1980-11-11 |
| 4230078 | Ignition control apparatus for internal combustion engine | Hiroaki Yamaguchi | 1980-10-28 |
| 4228859 | Sprinkler head having a plurality of supporting legs | — | 1980-10-21 |
| 4225925 | Electronic ignition control method and apparatus | Mamoru Kobashi, Tooru Kawase, Yoshiki Ueno | 1980-09-30 |
| 4220125 | Ignition timing control system for internal combustion engines | Minoru Nishida, Hiroaki Yamaguchi | 1980-09-02 |
| 4216653 | Exhaust gas purifying system for internal combustion engines | Takamichi Nakase, Junichiro Naito, Kenji Kondo | 1980-08-12 |
| 4214631 | Sprinkler head with heat sensitive cover release and valve release mechanism | — | 1980-07-29 |
| 4211194 | Ignition system for internal combustion engines | Daisaku Sawada, Kenji Goto, Takashi Shigematu, Yuji Takeda, Hiroaki Yamaguchi +1 more | 1980-07-08 |
| 4211952 | Spark plug | Toshiharu Iwata | 1980-07-08 |
| 4210111 | Electronic ignition control method and apparatus | Mamoru Kobashi, Toru Kawase, Yoshiki Ueno | 1980-07-01 |
| 4207847 | Electronic ignition control apparatus | Mamoru Kobashi, Tooro Kawase, Yoshiki Ueno | 1980-06-17 |
| 4206173 | Gas composition sensor | Hiroaki Yamaguchi, Siniti Yamamoto | 1980-06-03 |
| 4201163 | Ignition system for internal combustion engine | Minoru Nishida, Yoshiki Ueno, Kunio Makita, Masaaki Kurii | 1980-05-06 |
| 4199938 | Method of operating a three-way catalyst for internal combustion engines | Takamichi Nakase, Junichiro Naito, Kenji Kondo | 1980-04-29 |
| 4196705 | Electronic ignition control method and apparatus | Mamoru Kobashi, Tooru Kawase, Yoshiki Ueno | 1980-04-08 |
| 4192268 | Air flow amount adjusting system for an internal combustion engine | Akira Takata, Tamotsu Fukuda, Takamichi Nakase | 1980-03-11 |