Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066917 | Photochromic curable composition | Junji Takenaka | 2011-11-29 |
| 8012596 | Photochromic lens substrate | Junji Takenaka, Junji Momoda | 2011-09-06 |
| 7951445 | Photochromic optical article and method of producing the same | Shinobu Izumi, Junji Momoda, Nobumasa Kuwashima | 2011-05-31 |