Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12496643 | Rotary cutting method | Kenji Murai, Shigeru Yajima, Takashi Sugimoto | 2025-12-16 |
| 11786981 | Cutting insert, cutting edge-replaceable rotary cutting tool and rotary cutting method | Kenji Murai, Kiichi Yamazaki | 2023-10-17 |