Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478943 | Grinder, cover and cover set | Shin Nakamura, Takafumi KOTSUJI, Ken-Ichi Goto, Akira Mizutani | 2019-11-19 |
| D863013 | Electric polisher | Tomonori Kawase | 2019-10-15 |
| 10286516 | Polishers | Satoshi Ninagawa | 2019-05-14 |