Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329378 | Method for marking an indication to the lens | Niro Tarumi, Kunio Sasaki | 1982-05-11 |
| 4306780 | Highly refractive copolymer of an ethylinically unsaturated alkylene oxide of bis-phenol-A and an ethylinically unsaturated aromatic compound for lens and a lens prepared therefrom | Niro Tarumi, Shigeo Komiya, Eiichi Masuhara | 1981-12-22 |