Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664364 | Selenium-containing transparent optical material | Koju Okazaki, Shiro Honma, Hiroyuki Morijiri, Yoshinobu Kanemura, Masahiko Kusumoto | 2003-12-16 |
| 6596841 | Polythiol, polymerizable composition, resin and lens, and process for preparing thiol compound | Shigetoshi Kuma, Seiichi Kobayashi, Yoshinobu Kanemura | 2003-07-22 |