Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7603999 | Metal bonded drilling and boring tool | Yoshikazu Kusachi, Akihiko Nakagawa | 2009-10-20 |
| 6994614 | Metal-bonded grinding tool | Tadao Ishikawa | 2006-02-07 |
| 6851418 | Metal bonded drilling and boring tool | Yoshikazu Kusachi, Akihiko Nakagawa | 2005-02-08 |
| 6579332 | Metal-bonded grinding tool and manufacturing method therefor | Tadao Ishikawa | 2003-06-17 |
| 6481321 | Cutting apparatus utilizing high-speed vibration | Katsuhito Iwata | 2002-11-19 |