Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322045 | Misfire-detecting system for internal combustion engines | Takashi Hisaki, Yuichi Shimasaki, Shigeki Baba, Shigeru Maruyama, Takuji Ishioka +4 more | 1994-06-21 |
| 5317268 | Sparking voltage detecting device for internal combustion engines | Shigeru Maruyama, Yuichi Shimasaki, Takashi Hisaki, Shigeki Baba, Takuji Ishioka | 1994-05-31 |
| 5307017 | Sparking voltage detecting device for internal combustion engines | Shigeru Maruyama, Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki | 1994-04-26 |
| 5287836 | Control system for internal combustion engines | Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki, Shigeru Maruyama +4 more | 1994-02-22 |
| 5241937 | Misfire-detecting system for internal combustion engines | Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki, Shigeru Maruyama +6 more | 1993-09-07 |
| 5226394 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Masataka Chikamatsu, Takuji Ishioka, Shigetaka Kuroda, Hideaki Arai +2 more | 1993-07-13 |
| 5215067 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Takuji Ishioka, Takashi Hisaki, Shigeru Maruyama, Masataka Chikamatsu +3 more | 1993-06-01 |
| 5170762 | Ignition timing control system for internal combustion engines | Kojiro Tsutsumi, Kyozo Futa, Sachito Fujimoto | 1992-12-15 |
| 5131369 | Ignition timing control system for internal combustion engine | Yukio Miyashita, Yoshiaki Akimoto | 1992-07-21 |
| 5131370 | Ignition timing control system for internal combustion engine | Masataka Chikamatsu | 1992-07-21 |
| 5046461 | Valve control system for internal combustion engines | Masakazu Sakaguchi | 1991-09-10 |