Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731192 | Cleaning system for contact lenses and process for cleaning the same | Teruo Jyono | 1988-03-15 |
| 4699934 | Soft contact composition and method | Shinzo Ohkado | 1987-10-13 |
| 4548983 | Method of manufacturing shaped article of hydrogel | Mitsuru Yokota, Shuji Fujioka, Tsutomu Goshima, Kazushige Komaki | 1985-10-22 |
| 4347198 | Producing soft contact lenses | Shinzo Ohkada | 1982-08-31 |