Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272847 | Long period pendulum damping equipment | Hisanori Abiru, Hideaki Harada, Kazumi Tamura, Jun Hirai, Yasuo Ogi | 1993-12-28 |
| 5168967 | Dynamic damper and method for detecting malfunction of dynamic damper | Hisanori Abiru, Hideaki Harada, Kazumi Tamura, Jun Hirai | 1992-12-08 |