Issued Patents All Time
Showing 101–111 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313341 | Torque detecting system for internal combustion engine | Tadashi Hattori, Yoshinori Ootsuka | 1982-02-02 |
| 4290398 | Ignition timing control system for internal combustion engine | Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Minoru Nishida +1 more | 1981-09-22 |
| 4290301 | Knock detecting apparatus for internal combustion engine | Tadashi Hattori, Yoshinori Ootsuka | 1981-09-22 |
| 4266518 | Method of controlling ignition timing for internal combustion engines and apparatus for carrying out the same | Minoru Nishida, Tadashi Hattori | 1981-05-12 |
| 4245591 | Ignition timing control system for internal combustion engines | Minoru Nishida, Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu | 1981-01-20 |
| 4236491 | Ignition timing control apparatus for internal combustion engines | Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Minoru Nishida +1 more | 1980-12-02 |
| 4232642 | Ignition timing control system for internal combustion engines | Tadashi Hattori, Minoru Nishida, Kenji Goto, Daisaku Sawada, Takashi Shigematu | 1980-11-11 |
| 4230078 | Ignition control apparatus for internal combustion engine | Tadashi Hattori | 1980-10-28 |
| 4220125 | Ignition timing control system for internal combustion engines | Minoru Nishida, Tadashi Hattori | 1980-09-02 |
| 4211194 | Ignition system for internal combustion engines | Tadashi Hattori, Daisaku Sawada, Kenji Goto, Takashi Shigematu, Yuji Takeda +1 more | 1980-07-08 |
| 4206173 | Gas composition sensor | Tadashi Hattori, Siniti Yamamoto | 1980-06-03 |