Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311709 | Variable damping device for seismic response controlled structure | Takuji Kobori, Yoshinori Matsunaga, Naoki Niwa, Takayuki Mizuno, Hironori Sasaki +1 more | 1994-05-17 |