Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586508 | Plastic lens material, production process of the material, composition for plastic lens, plastic lens obtained by curing the composition, and production process of the plastic lens | Yoshifumi Asai, Yasuzi Tanaka, Tsuneo Tajima, Hiroshi Uchida | 2003-07-01 |
| 6545120 | Production of alicyclic (meth)allyl esters for plastic lens compositions | Tsuneo Tajima, Hiroshi Uchida | 2003-04-08 |