Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858568 | Intake apparatus for internal combustion engine | Hideki Obayashi, Tokio Kohama, Hiroyuki Goto | 1989-08-22 |
| 4796584 | Intake control system for internal combustion engine and intake control valve used therein | Hiroyuki Goto, Tokio Kohama, Hideki Obayashi, Kazuyuki Horie | 1989-01-10 |