Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178801 | Method of molding a plastic lens | Toshihiko Shimizu | 1993-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178801 | Method of molding a plastic lens | Toshihiko Shimizu | 1993-01-12 |