Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162391 | Oxygen permeable hard contact lens | — | 1992-11-10 |
| 4684705 | Contact lens | Fumio Yamamoto, Takayoshi Suzuki, Susumu Saito, Akira Ohmori, Takashi Yasuhara | 1987-08-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162391 | Oxygen permeable hard contact lens | — | 1992-11-10 |
| 4684705 | Contact lens | Fumio Yamamoto, Takayoshi Suzuki, Susumu Saito, Akira Ohmori, Takashi Yasuhara | 1987-08-04 |