Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8943933 | Cutting edge replacement type groove forming tool and end face groove forming method | Hidehiko Nagaya, Yasuharu Imai, Shoichiro Watanabe, Kenji Ishizawa | 2015-02-03 |
| 8911185 | Detachable insert type cutting tool | Hidehiko Nagaya, Shoichiro Watanabe, Yasuharu Imai, Kenji Ishizawa | 2014-12-16 |
| 8556549 | Cutting tool with detachable insert, head member and tool body of the same | Hidehiko Nagaya, Yasuharu Imai | 2013-10-15 |
| 8425161 | Cutting tool with detachable insert, head member and tool body of the same | Hidehiko Nagaya, Yasuharu Imai | 2013-04-23 |
| 8366355 | Cutting insert and cutting method | Hidehiko Nagaya, Yasuharu Imai | 2013-02-05 |
| 8342066 | Cutting tool for machining inner surface of hole, and method for cutting the same | Shoichiro Watanabe, Hidehiko Nagaya, Yasuharu Imai | 2013-01-01 |
| 8277150 | Detachable insert-type cutting tool | Shoichiro Watanabe, Hidehiko Nagaya, Yasuharu Imai | 2012-10-02 |
| 7866924 | Clamping mechanism for cutting insert | Hidehiko Nagaya, Yasuharu Imai | 2011-01-11 |
| 7780380 | Insert-indexable tool | Hidehiko Nagaya, Shoichiro Watanabe, Yasuharu Imai, Kouichi Kageyama | 2010-08-24 |
| 7758286 | Insert-indexable tool | Hidehiko Nagaya, Yasuharu Imai | 2010-07-20 |
| 7665933 | Cutting insert | Hidehiko Nagaya, Yasuharu Imai | 2010-02-23 |
| 7384218 | Clamping mechanism for cutting insert | Hidehiko Nagaya, Yasuharu Imai | 2008-06-10 |
| 7329072 | Clamping mechanism for cutting insert, and cutting insert | Hidehiko Nagaya, Hiroaki Hayashizaki, Yasuharu Imai | 2008-02-12 |
| 5947649 | Reusable type end mill | Tatsuo Arai, Takayoshi Saito | 1999-09-07 |
| 5855457 | Disposable cutting tip clamp for a milling machine | Tatsuo Arai, Takayoshi Saito | 1999-01-05 |