Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522993 | Resin for high-refractivity lenses and lenses made of same resin | Katsuyoshi Sasagawa, Masao Imai | 1985-06-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522993 | Resin for high-refractivity lenses and lenses made of same resin | Katsuyoshi Sasagawa, Masao Imai | 1985-06-11 |