Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370742 | Buckle with movement prevention device | Yutaka Yamaguchi, Yoshihiko Kawai, Tadayuki Asako, Takaaki Kimura | 2002-04-16 |
| 6035500 | Buckle | Yoshihiko Kawai, Yutaka Yamaguchi, Tadayuki Asako | 2000-03-14 |
| 5427410 | Air bag with large size and small volume | Yoshihiko Minami | 1995-06-27 |