Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7131797 | Tool holder | Yoshiaki Kai, Yutaka Asanome, Kouichi Katoh | 2006-11-07 |
| 6840896 | Attachment of machine tool and machine tool | Takao Date, Sakashi Adachi, Yoshiaki Kai | 2005-01-11 |
| 6830415 | Chip removal method and chip removal system for NC machine tools | Kazuhiro Shiba, Minoru Hamamura, Takao Date | 2004-12-14 |
| 6682277 | Tool, tool holder, and machine tool | Sakashi Adachi, Takazumi Watanabe, Yoshiaki Kai, Yasufumi Kawago | 2004-01-27 |
| 6264409 | Tool holder clamp device for spindle and spindle apparatus | Takao Date, Yoshiaki Kai | 2001-07-24 |
| 5808382 | Linear motor device for machine tool | Hiroshi Ira, Masayori Ito, Satoshi Kumamoto, Katsuji Gakuhari, Sanae Tashiro | 1998-09-15 |