Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328119 | Tension reducer | — | 1994-07-12 |
| 5311709 | Variable damping device for seismic response controlled structure | Takuji Kobori, Yoshinori Matsunaga, Naoki Niwa, Takayuki Mizuno, Ichiro Arimoto +1 more | 1994-05-17 |