Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826874 | Buckling restrained braces and damping steel structures | Hiroshi Nakamura, Isao Kimura, Hisami Hasegawa, Eiichiro Saeki, Atsushi Watanabe | 2004-12-07 |
| 6739099 | Column-and-beam join structure | Yasushi Maeda, Kazuaki Suzuki, Ken Okada, Satoshi Yamada, Akira Wada | 2004-05-25 |
| 6683487 | Current driver circuit for supplying write current to a write head while changing a flow direction of the write current | Takehiko Umeyama | 2004-01-27 |