Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848280 | Intake apparatus for internal combustion engine | Takenori Ohtsuka, Tomohiro Sunada, Yasuhiro Kawasako, Tomoyuki Yamamoto | 1989-07-18 |
| 4794885 | Intake apparatus for internal combustion engine | Takenori Ohtsuka, Tomohiro Sunada, Yasuhiro Kawasako | 1989-01-03 |