Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022184 | Manual window regulator | Kengo Yamamura, Tutomu Saito | 1991-06-11 |
| 4967510 | Closure device | Katsuhiko Torii, Tsutomu Saito, Kengo Yamamura | 1990-11-06 |
| 4939867 | Power supplying system for self-driving closure device | Hiroyuki Harada, Kazuyoshi Kurahashi, Kengo Yamamura, Yasuhiro Fukatsu, Katsuhiko Torii | 1990-07-10 |
| 4908988 | Self-driving closure device | Kengo Yamamura, Tutomu Saito, Yasuhiro Fukatsu, Takahiro Yamada, Katsuhiko Torii | 1990-03-20 |