Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814493 | Coating composition, eyeglass lens, and method for manufacturing eyeglass | Takako ISHIZAKI, Katsushi Hamakubo | 2023-11-14 |
| 11267953 | Iso(thio)cyanate composition, and resin composition including same for optical member | Masahisa Kousaka | 2022-03-08 |
| 11001699 | Transparent plastic substrate and plastic lens | Masahisa Kousaka | 2021-05-11 |
| 10947365 | Transparent plastic substrate and plastic lens | Masahisa Kousaka | 2021-03-16 |
| 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 |