Issued Patents All Time
Showing 151–175 of 216 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424705 | Engine knock sensing apparatus | Masanori Hanaoka, Yukihide Hashiguchi, Yoshinori Ootsuka, Hiroaki Yamaguchi | 1984-01-10 |
| 4419972 | Air-fuel intake system for an internal combustion engine | Hitoshi Yoshida, Keichi Akutagawa, Akira Takata, Tamotsu Fukuda | 1983-12-13 |
| 4416226 | Laser ignition apparatus for an internal combustion engine | Minoru Nishida, Shinichi Mukainakano, Toru Mizuno, Tukasa Goto | 1983-11-22 |
| 4414840 | Knock detecting apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1983-11-15 |
| 4409816 | Knock detecting apparatus for an internal combustion engine | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1983-10-18 |
| 4403505 | Ignition range detector for internal combustion engine | Hiroaki Yamaguchi, Tadashi Ozaki | 1983-09-13 |
| 4401948 | Diagnostic apparatus for internal combustion engine ignition system | Kazuhiko Miura, Takakazu Kawabata, Yoshiki Ueno | 1983-08-30 |
| 4393850 | Ignition system for internal combustion engines | Minoru Nishida, Akira Tanaka | 1983-07-19 |
| 4385606 | Ignition timing regulating device for internal combustion engine | Kenji Goto, Daisaku Sawada, Takashi Shigematu, Hiroaki Yamaguchi, Minoru Nishida | 1983-05-31 |
| 4379403 | Knock detecting apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1983-04-12 |
| 4377785 | Device for diagnosing ignition system for use in internal combustion engine | Yoshiki Ueno, Takakazu Kawabata, Kazuhiko Miura | 1983-03-22 |
| 4366702 | Knock detecting apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1983-01-04 |
| 4357919 | Ignition timing control apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-11-09 |
| 4357825 | Knock detecting apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-11-09 |
| 4345558 | Knock detecting apparatus for an internal combustion engine | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-08-24 |
| 4345569 | Intake system for internal combustion engines | Siniti Mukainakano, Hitoshi Yoshida | 1982-08-24 |
| 4344317 | Air-fuel ratio detecting system | Yoshiki Ueno | 1982-08-17 |
| 4344014 | Ignition spark plug | Toshiharu Iwata | 1982-08-10 |
| 4341189 | Knock detecting apparatus for combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-07-27 |
| 4337643 | Knock detecting apparatus for internal combustion engine | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-07-06 |
| 4336707 | Knock detecting apparatus for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka | 1982-06-29 |
| 4331899 | Spark plug | Minoru Nishida, Akira Tanaka | 1982-05-25 |
| 4329615 | Spark plug for internal combustion engines | Akira Tanaka, Minoru Nishida | 1982-05-11 |
| 4328779 | Feedback type ignition timing control system for internal combustion engines | Hiroaki Yamaguchi, Yoshinori Ootsuka, Kenji Goto, Daisaku Sawada | 1982-05-11 |
| 4327685 | Air-fuel intake system for internal combustion engines | Kenichi Akutagawa, Hitoshi Yoshida, Akira Takata, Tamotsu Fukuda | 1982-05-04 |