Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279674 | Method of treating contact lens | Kaoru Kamiya, Keiko Watanabe | 1994-01-18 |
| 5181604 | Contact lens holder and treating device | Kaoru Kamiya, Keiko Watanabe, Makoto Nakagawa, Tomio Nagao | 1993-01-26 |
| 5167323 | Lens treating device for treating contact lens | Kaoru Kamiya, Keiko Watanabe | 1992-12-01 |