Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11551915 | Method of manufacturing ring-shaped member and ring-shaped member | Satoshi Fujii | 2023-01-10 |
| 11545345 | Protective material ring | Satoshi Fujii | 2023-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11551915 | Method of manufacturing ring-shaped member and ring-shaped member | Satoshi Fujii | 2023-01-10 |
| 11545345 | Protective material ring | Satoshi Fujii | 2023-01-03 |