Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312201 | Interference fit type cutting tool | Hidehiko Nagaya, Hiroshi Shimomura, Masayuki Okawa, Kazuya Yamazaki | 2001-11-06 |
| 5791831 | Cutting insert | Tatsuo Arai, Takayoshi Saito | 1998-08-11 |
| 5443335 | Cutting insert | Tatsuo Arai, Takayoshi Saito | 1995-08-22 |