Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065552 | Active seismic response control system for use in structure | Takuji Kobori, Motoichi Takahashi, Naoki Niwa, Narito Kurata, Junichi Hirai +1 more | 1991-11-19 |
| 5036633 | Variable damping and stiffness structure | Takuji Kobori, Motoichi Takahashi, Naoki Niwa, Narito Kurata, Junichi Hirai +2 more | 1991-08-06 |