Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858472 | Polythiol composition, polymerizable composition for optical material and use thereof | Takeshi Nishimura | 2020-12-08 |
| 10858473 | Polythiol composition, polymerizable composition for optical material and use thereof | Takeshi Nishimura | 2020-12-08 |
| 10844010 | Process for producing (poly)sulfide compound and process for producing episulfide compound | Koichi Tokunaga, Chitoshi Shimakawa, Shigetoshi Kuma | 2020-11-24 |