Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970952 | Combustion state detector apparatus for an internal combustion engine | Kazuhisa Mogi, Koichi Nakata, Toshiaki Yamaura, Yasuo Ito | 1999-10-26 |
| 4592324 | Ignition control system for internal combustion engines | Kazumi Nakano, Hiroo Utsumi | 1986-06-03 |
| 4502442 | Optimum ignition and A/F control for internal-combustion engine | Kouichi Shimizu, Masahiro Kondo | 1985-03-05 |
| 4445479 | Ignition timing control apparatus with knock sensor | Kazumi Nakano, Izumi Kizitani | 1984-05-01 |
| 4273361 | Seat belt system for vehicle | Toshihiro Takei, Satosi Kuwakado, Toshiaki Shimogawa | 1981-06-16 |
| 4205807 | Seat belt retracting and winding device | Toshiaki Shimogawa, Takashi Kawaharazaki, Toshihiro Takei | 1980-06-03 |