Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322038 | Suction system for internal combustion engine | Takeshi Yamagiwa, Isaya Matsuo, Toshiki Ohara | 1994-06-21 |
| 5170754 | Intake system for V-type internal combustion engine | — | 1992-12-15 |
| 5155999 | Intake system for internal combustion engine equipped with supercharger | Hiroshi Hashimoto | 1992-10-20 |
| 4957071 | Intake system for V-type internal combustion engine | Isaya Matsuo, Eiichi Fujisawa | 1990-09-18 |
| 4612903 | Induction system for internal combustion engine having multiple inlet valves | Yoshio Iwasa | 1986-09-23 |