Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491938 | High damping structure | Naoki Niwa, Takuji Kobori, Motoichi Takahashi, Narito Kurata, Takayuki Mizuno +1 more | 1996-02-20 |
| 5177915 | Elasto-plastic damper | Takuju Kobori, Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura +4 more | 1993-01-12 |
| 5065555 | Elasto-plastic damper | Takuji Kobori, Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura +4 more | 1991-11-19 |
| 4901486 | Elasto-plastic damper | Takuju Kobori, Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura +4 more | 1990-02-20 |