| 5353559 |
Anti-earthquake bearing apparatus |
Nobuo Murota, Keizo Tatsunami, Koji Ishii, Atsuhiko Yasaka, Masao Iizuka |
1994-10-11 |
| 5347771 |
High damping device for seismic response controlled structure |
Takuji Kobori, Koji Ishii, Motoichi Takahashi, Yoshinori Matsunaga, Naoki Niwa +2 more |
1994-09-20 |
| 5193323 |
Safety monitoring method for use in active seismic response and wind control system |
Koji Ishii, Masao Iizuka, Toshikazu Yamada, Katsuyasu Sasaki, Yoshiki Ikeda |
1993-03-16 |
| 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 |
| 5046290 |
Safety monitoring device for use in active seismic response and wind control system |
Koji Ishit, Masao Iizuka, Toshikazu Yamada, Katsuyasu Sasaki, Yoshiki Ikeda |
1991-09-10 |
| 5025599 |
Compound seismic response and wind control system |
Koji Ishii, Kozo Toyama |
1991-06-25 |
| 5022201 |
Apparatus for accelerating response time of active mass damper earthquake attenuator |
Takuji Kobori, Mitsuo Sakamoto, Toshikazu Yamada, Isao Nishimura, Koji Ishii |
1991-06-11 |
| 4901486 |
Elasto-plastic damper |
Takuju Kobori, Shunichi Yamada, Shigeru Ban, Koji Ishii, Isao Nishimura +4 more |
1990-02-20 |
