Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4418898 | Cushioned mounting device with a mass member forming a sub-oscillation system and means for restricting cushioning movement | Tomiaki Atsumi, Junji Deto | 1983-12-06 |
| 4407491 | Rubber bearing device having air damping capacity | Motoo Kunihiro, Tomiaki Atsumi, Masahiro Ishigaki | 1983-10-04 |