Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102642 | Screw head | Junta Okamura, Takayuki Sato, Hisayoshi Yamamoto | 2000-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102642 | Screw head | Junta Okamura, Takayuki Sato, Hisayoshi Yamamoto | 2000-08-15 |