Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816247 | Lid for underground structure | Norio Shinohara, Takefumi Andou | 2017-11-14 |
| 7784226 | Joint structure for antiseismic reinforcement | Yasushi Ichikawa, Akira Wada | 2010-08-31 |
| 7231743 | Buckling restrained braces and damping steel structures | Toru Takeuchi, Hiroshi Nakamura, Isao Kimura, Hisami Hasegawa, Atsushi Watanabe | 2007-06-19 |
| 6881014 | Screwed steel pile and method of construction management therefor | Hitoshi Ooki, Tomoki Takeda | 2005-04-19 |
| 6826874 | Buckling restrained braces and damping steel structures | Toru Takeuchi, Hiroshi Nakamura, Isao Kimura, Hisami Hasegawa, Atsushi Watanabe | 2004-12-07 |
| 6394704 | Screwed steel pile and method of construction management therefor | Hitoshi Ooki, Tomoki Takeda | 2002-05-28 |