Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655499 | Decompression braking apparatus for diesel engine | Hirokazu Uehara, Seiji Tsuruta | 1997-08-12 |
| 5447126 | Variabe cam phaser for internal combustion engine | Takehisa Kondoh, Seiji Suga, Noboru Egashira, Hiroaki Imai | 1995-09-05 |
| 5203291 | Valve timing control system for internal combustion engine | Seiji Suga, Hideaki Onishi | 1993-04-20 |
| 5040499 | Intake- and/or exhaust-valve timing control system for internal combustion engines | Seiji Suga | 1991-08-20 |
| 5018202 | Electronic noise attenuation system | Minoru Takahashi, Tanetoshi Miura, Hareo Hamada, Hideki Hyoudo, Ryusuke Gotoda +2 more | 1991-05-21 |
| 5012773 | Intake- and/or exhaust-valve timing control system for internal combustion engine | Seiji Suga, Yasuo Fukuda, Takanori Sawada | 1991-05-07 |
| 4996955 | Intake- and/or exhaust-valve timing control system for internal combustion engines | Seiji Suga, Kenzi Ohizumi, Akiro Kadowaki, Masayuki Washio | 1991-03-05 |
| 4960084 | Valve timing control system for internal combustion engine | Seiji Suga, Makoto Yasuda | 1990-10-02 |
| 4811698 | Valve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditions | Seiji Suga, Takanori Sawada | 1989-03-14 |