Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9149898 | Piston assembling apparatus and piston assembling method | Hisayuki Sueoka | 2015-10-06 |
| 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 |
| 4959934 | Elasto-plastic damper for use in structure | Toshikazu Yamada, Takuji Kobori, Mitsuo Sakamoto, Shinichi Takahashi | 1990-10-02 |
| 4901486 | Elasto-plastic damper | Takuju Kobori, Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura +4 more | 1990-02-20 |