Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066917 | Photochromic curable composition | Hironobu Nagoh | 2011-11-29 |
| 8012596 | Photochromic lens substrate | Hironobu Nagoh, Junji Momoda | 2011-09-06 |
| 7976739 | Chromene compound | Shinobu Izumi | 2011-07-12 |