Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568030 | Caster | Yasukuni Watanabe | 2003-05-27 |
| 5147018 | Cylinder lock device for use in structure | Takuji Kobori, Koji Ishii, Motoichi Takahashi, Junichi Hirai, Yoshinori Adachi +3 more | 1992-09-15 |
| 4883250 | Vibration-proof and earthquake-immue mount system | Kenichi Yano, Hiroshi Midorikawa, Toshiaki Kamei | 1989-11-28 |