Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527535 | Ignition system including ignition distributor integrated with ignition coil | Shigeya Abe | 1985-07-09 |
| 4519038 | Optimizing spark timing control apparatus and method | Takeski Matsui, Hideo Ohyama, Ryosuke Tachi, Motoshi Kawai | 1985-05-21 |
| 4453526 | Ignition system including ignition distributor integrated with ignition coil | Shigeya Abe | 1984-06-12 |
| 4429565 | Knocking detecting apparatus for an internal combustion engine | Hiroo Utsumi, Yukio Sakakibara, Toshiharu Iwata, Jun Ohta, Kiyokane Kazi +2 more | 1984-02-07 |
| 4426975 | Ignition timing control system for internal combustion engines | Shosuke Suzuki, Yukio Sakakibara, Takashi Yamada, Fumiyoshi Kubo, Kunimasa Yoshimura +3 more | 1984-01-24 |
| 4416235 | Ignition timing control apparatus for internal combustion engine | Hiroo Utsumi, Yukio Sakakibara, Kiyokane Kaji, Mitsuyuki Banno | 1983-11-22 |
| 4351282 | Ignition timing control system for internal combustion engine | Hiroo Utsumi, Yukio Sakakibara, Toshiharu Iwata, Takashi Yamada | 1982-09-28 |
| 4290398 | Ignition timing control system for internal combustion engine | Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Hiroaki Yamaguchi +1 more | 1981-09-22 |
| 4236491 | Ignition timing control apparatus for internal combustion engines | Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Hiroaki Yamaguchi +1 more | 1980-12-02 |