Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660827 | Elastic abrasive manufacturing method, elastic abrasive manufacturing device, blasting method, and blasting device | Keiji Mase, Masatoshi Kitagami | 2023-05-30 |
| 11618127 | Method for surface treatment of DLC coated member | Keiji Mase, Yusuke Kondo | 2023-04-04 |