Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10828744 | Polishing method, brush-like grinding stone, polishing brush, and linear member aggregate | Suguru Matsushita | 2020-11-10 |
| 10751850 | Polishing method, brush-like grinding stone, polishing brush, and linear member aggregate | Suguru Matsushita | 2020-08-25 |
| 10399207 | Polishing brush | Mitsuhisa Akashi | 2019-09-03 |
| 10315290 | Polishing brush | Mitsuhisa Akashi | 2019-06-11 |
| 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 |