Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648738 | Grinding fluid supply device of lens grinding apparatus | Yasuhito Eto, Kenichi Watanabe | 2003-11-18 |
| 6588898 | Apparatus for displaying lens contour, apparatus for processing lens contour data, and apparatus for grinding edge of eyeglass lens with the same | Toshihiro Iwai, Tatsuro Yokoi, Takeshi Nakamura, Yasuo Suzuki | 2003-07-08 |
| 6547642 | Lens periphery processing method for eyeglass lens, lens periphery processing machine and lens for eyeglass | — | 2003-04-15 |