Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132961 | Episulfide compound and optical material composition including same | Takashi Aoki | 2018-11-20 |
| 9902708 | Cyclic compound and optical material composition including same | Takashi Aoki | 2018-02-27 |