Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257865 | Valve stem and tire valve | Masahiko Yamamoto, Katsuji Ono | 2025-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257865 | Valve stem and tire valve | Masahiko Yamamoto, Katsuji Ono | 2025-03-25 |