Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849037 | Method for production of fiber reinforced plastic structure | Katsumi Kondo, Yasuhiro Tsuchiya, Yasushi Yamazawa, Tosio Aoki, Takatsune Niimi +2 more | 1989-07-18 |
| 4821598 | Steering wheel core material | Yasushi Yamazawa, Katsumi Kondo, Yasuhiro Tsuchiya, Shinji Koike | 1989-04-18 |
| 4798101 | Core material for steering wheels made of long fiber-reinforced resin | Yasushi Yamazawa, Yasuhiro Tsuchiya | 1989-01-17 |