Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505872 | Polymerizable composition for optical material, optical material and method for producing optical material | Akinori Ryu | 2016-11-29 |
| 9290656 | Polymerizable composition for polythiourethane optical material | Hidetoshi Hayashi, Nobuo Kawato, Masanori Iwazumi, Mamoru Tanaka | 2016-03-22 |