Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780018 | Rotary cutting tool | Hironobu Saito, Hideki Osaki | 2023-10-10 |
| 9868160 | Hard-coated cutting tool | Hideki Osaki, Shuntaro Suzuki, Madoka Nitta | 2018-01-16 |
| 7354229 | Drill | Hideo Wakui, Shoichi Takahashi | 2008-04-08 |