Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181142 | Plastic lens and method of forming an anti-reflecting layer on a plastic lens | Masaharu Kikuchi | 1993-01-19 |
| 5116644 | Plastic lens and method of forming anti-reflecting layer on a plastic lens | Masaharu Kikuchi | 1992-05-26 |