Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43583 | Ophthalmic composition for soft contact lens comprising terpenoid | Harumasa Arita, Sakaya Ashikaga, Miyuki Nishimura | 2012-08-14 |
| 8067038 | Ophthalmic composition for soft contact lens comprising terpenoid | Harumasa Arita, Sayaka Ashikaga, Miyuki Nishimura | 2011-11-29 |
| 6511949 | Ophthalmic composition with regulated viscosity | Hiroo Nitta | 2003-01-28 |