Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698636 | Ocular lens material and process for producing the same | — | 1997-12-16 |
| 5487788 | Method for cleaning and disinfecting contact lens | Satoshi Hashimoto, Satoru Matumoto | 1996-01-30 |
| 5449442 | Cleaning and disinfecting method for contact lens | Kenji Yamada | 1995-09-12 |
| 5314590 | Method for cleaning and disinfecting soft contact lens and treating solution for soft contact lenses | Makoto Nakagawa | 1994-05-24 |
| 5283053 | Apparatus for treating contact lenses and contact lens treating vessel for use therein | Makoto Nakagawa, Masashi Endo, Masakatsu Yamauchi | 1994-02-01 |
| 5246552 | Method for cleaning and disinfecting soft contact lens and treating solution for soft contact lenses | Makoto Nakagawa | 1993-09-21 |
| 4475462 | Tiltable hanger apparatus | Masahiro Tsumaki, Toshihiko Fujii, Haruo Suzuki, Yoshihiro Goto | 1984-10-09 |