Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004693 | Tool, tool holder, and machine tool | Koji Katsumata | 2006-02-28 |
| 6840896 | Attachment of machine tool and machine tool | Katsuhito Endo, Takao Date, Yoshiaki Kai | 2005-01-11 |
| 6752750 | Tool, tool holder, and machine tool | Koji Katsumata | 2004-06-22 |
| 6682277 | Tool, tool holder, and machine tool | Katsuhito Endo, Takazumi Watanabe, Yoshiaki Kai, Yasufumi Kawago | 2004-01-27 |
| 4958967 | Spindle feed mechanism for a machine tool | — | 1990-09-25 |
| 4670965 | Automatic tool exchange apparatus | Mitsuharu Sato, Izumi Kimura, Shigeo Sugiyama | 1987-06-09 |