Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081703 | Polymerizable composition for optical material and optical material | Hidetaka Tsukada, Shinsuke Ito, Kenichi Goto, Toshihiko Nakagawa, Satoshi Yamasaki | 2018-09-25 |
| 10066081 | Polymerizable composition for optical materials | Toshiya Hashimoto, Kouya Kojima | 2018-09-04 |
| 9944029 | Process for producing optical material | — | 2018-04-17 |
| 9933635 | Optical material, composition for optical material, and use thereof | Toshiya Hashimoto, Kouya Kojima | 2018-04-03 |
| 9857503 | Optical material and use thereof | Kouya Kojima, Toshiya Hashimoto, Satoshi Kinoshita, Hiroyuki Sasaki | 2018-01-02 |