Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409731 | Method for imparting a hydrophilic nature to a contact lens | Akira Nakagawa | 1995-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409731 | Method for imparting a hydrophilic nature to a contact lens | Akira Nakagawa | 1995-04-25 |