Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631988 | Designing and manufacturing methods of spectacle lens, and spectacle lens series | Moriyasu Shirayanagi | 2003-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631988 | Designing and manufacturing methods of spectacle lens, and spectacle lens series | Moriyasu Shirayanagi | 2003-10-14 |