Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699106 | Knock control system for internal combustion engines | Koji Sakakibara | 1987-10-13 |
| 4617895 | Anti-knocking control in internal combustion engine | Koji Sakakibara, Hideki Yukumoto | 1986-10-21 |
| 4590565 | Ignition timing control for compensating knock in both steady-state and transient state | Yasuhito Takasu, Toshiharu Iwata, Katsuharu Hosoe | 1986-05-20 |
| 4539957 | Ignition timing control system for internal combustion engines | Ko Narita, Toshiharu Iwata | 1985-09-10 |
| 4513716 | Ignition timing control system with knock control for internal combustion engines | Ko Narita, Toshiharu Iwata | 1985-04-30 |
| 4512310 | Ignition timing control system for internal combustion engines | Ko Narita | 1985-04-23 |
| 4498331 | Knocking detecting apparatus for internal combustion engines | Hirotoshi Nakamura, Teruyoshi Itoh, Kou Narita, Toshiharu Iwata, Takeshi Matsui | 1985-02-12 |
| 4489692 | Ignition timing control system for internal combustion engine with knock sensor | Kou Narita, Toshiharu Iwata, Yasutoshi Baba | 1984-12-25 |
| 4452206 | Ignition timing control system for internal combustion engines | Ko Narita, Toshiharu Iwata | 1984-06-05 |