Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482918 | Selenium-containing transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Yoshinobu Kanemura, Masahiko Kusumoto | 2002-11-19 |
| 6458917 | Polymerizable composition | Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Akinori Ryu, Yoshinobu Kanemura | 2002-10-01 |
| 6365707 | Polymerizable composition and process for producing optical resin comprising the same | Akinori Ryu, Seiichi Kobayashi, Chitoshi Shimakawa, Koju Okazaki, Yoshinobu Kanemura +1 more | 2002-04-02 |