Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745539 | Transparent plastic substrate and plastic lens | Masahisa Kousaka | 2020-08-18 |
| 10544283 | Iso(thio)cyanate composition, and resin composition including same for optical member | Masahisa Kousaka | 2020-01-28 |