Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409546 | Method for cleaning, preserving and disinfecting contact lenses | Akira Nakagawa | 1995-04-25 |
| 5281277 | Liquid composition for contact lenses and method for cleaning a contact lens | Akira Nakagawa, Satoko Kondo | 1994-01-25 |