Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857695 | Method of surface treatment for ceramic and ceramic article | Keiji Mase, Yusuke Kondo | 2020-12-08 |
| 10765498 | Method for polishing artificial tooth and device for polishing artificial tooth | Keiji Mase, Takahiro Shima | 2020-09-08 |
| 10758968 | Mold surface treatment method and mold treated with said method | Keiji Mase, Yusuke Kondo | 2020-09-01 |