Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723832 | Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition | Shinsuke Ito, Kouji Suesugi, Takeshi Nishimura, Mamoru Tanaka | 2020-07-28 |
| 10239239 | Internal release agent, composition including internal release agent, and process for producing a plastic lens using same composition | Naoyuki Kakinuma, Motoharu OIKI | 2019-03-26 |