Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976921 | Kit for contact lens sterilization and method for contact lens sterilization | Masahiro Hiranuma | 1990-12-11 |
| 4780152 | Kit for contact lens cleaning and method for contact lens cleaning | Masahiro Hiranuma | 1988-10-25 |