Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482918 | Selenium-containing transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Hiroyuki Morijiri, Yoshinobu Kanemura | 2002-11-19 |
| 6359180 | Production method of 4,6-diaminoresorcin | Yukihiro Kumamoto, Hisato Itou, Hideki Mizuta, Masazumi Takaoka | 2002-03-19 |