Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9833841 | Cutting method for inner circumferential face or outer circumferential face of work | Kouichi Amaya, Toshihiko Kato, Zempoh Shirahama, Tetsuya Igarashi, Shuichi Ohashi | 2017-12-05 |