Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433506 | Wheel brush and grinding element bundle holder | Koji Sato | 2022-09-06 |
| 10399207 | Polishing brush | Norihiko Sumiyoshi | 2019-09-03 |
| 10315290 | Polishing brush | Norihiko Sumiyoshi | 2019-06-11 |
| D841334 | Wheel brush | Koji Sato | 2019-02-26 |
| 10159331 | Polishing brush and polishing method | Norihiko Sumiyoshi | 2018-12-25 |
| D811092 | Wheel brush | Koji Sato | 2018-02-27 |
| D810446 | Wheel brush | Koji Sato | 2018-02-20 |