Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671569 | Seismic response controlled frame of bending deformation control type | Yukihiro Omika, Masayuki Nagata, Jun Okawa, Yukimasa Yamamoto | 1997-09-30 |
| 5491938 | High damping structure | Naoki Niwa, Motoichi Takahashi, Narito Kurata, Takayuki Mizuno, Masatoshi Ishida +1 more | 1996-02-20 |
| 5377465 | Ultra-high multi-story buildings and construction thereof | Shigeru Ban, Toshihiko Kubota, Osamu Nohira, Norihide Koshika, Koji Kondo +5 more | 1995-01-03 |
| 5347771 | High damping device for seismic response controlled structure | Koji Ishii, Motoichi Takahashi, Yoshinori Matsunaga, Naoki Niwa, Jun Tagami +2 more | 1994-09-20 |
| 5311709 | Variable damping device for seismic response controlled structure | Yoshinori Matsunaga, Naoki Niwa, Takayuki Mizuno, Hironori Sasaki, Ichiro Arimoto +1 more | 1994-05-17 |
| 5147018 | Cylinder lock device for use in structure | Koji Ishii, Motoichi Takahashi, Junichi Hirai, Yoshinori Adachi, Naoki Niwa +3 more | 1992-09-15 |
| 5065552 | Active seismic response control system for use in structure | Motoichi Takahashi, Tadashi Nasu, Naoki Niwa, Narito Kurata, Junichi Hirai +1 more | 1991-11-19 |
| 5065555 | Elasto-plastic damper | Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura, Masatoshi Ishida +4 more | 1991-11-19 |
| 5036633 | Variable damping and stiffness structure | Motoichi Takahashi, Tadashi Nasu, Naoki Niwa, Narito Kurata, Junichi Hirai +2 more | 1991-08-06 |
| 5022201 | Apparatus for accelerating response time of active mass damper earthquake attenuator | Mitsuo Sakamoto, Toshikazu Yamada, Isao Nishimura, Koji Ishii, Jun Tagami | 1991-06-11 |
| 4964246 | Rigidity control system for variable rigidity structure | Hiroo Kanayama, Shuichi Kamagata | 1990-10-23 |
| 4959934 | Elasto-plastic damper for use in structure | Toshikazu Yamada, Mitsuo Sakamoto, Shozo Maeda, Shinichi Takahashi | 1990-10-02 |
| 4922667 | Device and method for protecting a building against earthquake tremors | Shunichi Yamada, Shuichi Kamagata | 1990-05-08 |
| 4890430 | Device and method for protecting a building against earthquake tremors | Shunichi Yamada, Shuichi Kamagata | 1990-01-02 |
| 4799339 | Method of controlling building against earthquake | Hiroo Kanayama, Mitsuo Sakamoto, Shunichi Yamada, Shuichi Kamagata | 1989-01-24 |