Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811581 | High-speed tool steel gear cutting tool and manufacturing method therefor | Yasuyuki Yamada, Natsuki Ichimiya, Yusuke Tanaka, Kazuaki Tanaka | 2004-11-02 |
| 6722481 | Vibration-damping device | Hajime Maeno | 2004-04-20 |