Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9845373 | Polymerizable composition for photochromic optical materials | — | 2017-12-19 |
| 9778396 | Polymerizable composition for optical material, optical material obtained from same composition, and plastic lens | — | 2017-10-03 |
| 9778397 | Polymerizable composition, optical material, and manufacturing method of the same | Kouji Suesugi | 2017-10-03 |
| 9605103 | Process for producing photochromic optical material | — | 2017-03-28 |