Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1092579 | Cutting tool | — | 2025-09-09 |
| 12350745 | Cutting tool | — | 2025-07-08 |
| 11872636 | Surface-coated cutting tool and method for manufacturing same | Hiroki Takeshita, Haruyo Fukui, Shinya Imamura, Kazuhiro Hirose | 2024-01-16 |
| 11229959 | Drill | Minoru Yoshida, Yoshiji Sato | 2022-01-25 |
| 11167357 | Surface-coated cutting tool | Haruyo Fukui, Shinya Imamura, Kazuhiro Hirose, Hiroki Takeshita | 2021-11-09 |
| D894978 | Drill bit | Minoru Yoshida, Yoshiji Sato | 2020-09-01 |