Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10159331 | Polishing brush and polishing method | Mitsuhisa Akashi | 2018-12-25 |
| 10058973 | Polishing method, brush-like grinding stone, polishing brush, and linear member aggregate | Suguru Matsushita | 2018-08-28 |