Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177915 | Elasto-plastic damper | Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura, Masatoshi Ishida +4 more | 1993-01-12 |
| 4901486 | Elasto-plastic damper | Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura, Masatoshi Ishida +4 more | 1990-02-20 |