Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748831 | Pliers for suction cup | — | 2004-06-15 |
| 6742272 | Lens shape measuring apparatus | Yoshiyuki Hatano, Takeshi Nakamura | 2004-06-01 |
| 6672944 | Initial position setting method for grinding device | Kenichi Watanabe, Yoshiyuki Hatano | 2004-01-06 |