Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576800 | Oxidation polymer of a substituted phenol | Shiro Kobayashi | 2003-06-10 |
| 6541596 | Crystallizable poly (2,5-di-substituted-1,4-phenylene oxide) and a method of preparing the same | Kiyoshi Fujisawa, Yoshihiko Moro-Oka, Shiro Kobayashi | 2003-04-01 |