Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10903613 | Resin bonded carbonaceous brush and method of manufacturing the same | Hidenori Shirakawa | 2021-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10903613 | Resin bonded carbonaceous brush and method of manufacturing the same | Hidenori Shirakawa | 2021-01-26 |