Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12053852 | Barrel polishing apparatus | Shigeru Tanahashi | 2024-08-06 |
| 7871307 | Fluid barrel-polishing device and polishing method | Masatomo Watanabe | 2011-01-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12053852 | Barrel polishing apparatus | Shigeru Tanahashi | 2024-08-06 |
| 7871307 | Fluid barrel-polishing device and polishing method | Masatomo Watanabe | 2011-01-18 |