Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021563 | Method for producing resin for optical component, resin for optical component, spectacle lens, and spectacles | Masahisa Kousaka | 2021-06-01 |
| 5789476 | Film-forming coating solution and synthetic resin lens | Satoshi Kubota, Kazunori Miyashita, Katsuyoshi Takeshita, Hirokazu Tanaka, Shuitsu Hiraoka +2 more | 1998-08-04 |
| 4930879 | Synthetic resin lens | Satoshi Kubota, Yoshio Sano, Yoshishige Murata, Yasumi Koinuma | 1990-06-05 |