Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689487 | Polycarbonate copolymer, optical lens and film in which said polycarbonate copolymer is used, and method for producing said copolymer | — | 2020-06-23 |
| 10605956 | Polycarbonate resin and optical lens | Noriyuki Kato, Takashi Motoi, Mitsuharu Kitamura | 2020-03-31 |