Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741223 | Steering wheel | Katsumi Kondo, Yasushi Yamazawa, Takatsune Niimi, Takashi Yamamoto | 1988-05-03 |
| 4673451 | Method for manufacture of fiber reinforced resin structure such as a steering wheel core member | Yasushi Yamazawa, Katsumi Kondo, Takatsune Niimi, Takashi Yamamoto, Kunihiro Matsuba | 1987-06-16 |
| 4627307 | Fiber-reinforced plastic core material for steering wheels | Yasushi Yamazawa, Masaki Terada, Tosio Aoki, Hiroyuki Sato | 1986-12-09 |