Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502517 | Soft contact lens with a back surface whose central and intermediate portions are formed by different ellipsoidal surfaces continuously contiguous to each other | Naoki Anan, Kazuya Miyamura | 1996-03-26 |