Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525165 | Trimethylene-2, 6-naphthalene dicarboxylate (co)polymer film, quaternary phosphonium sulfonate copolymer and compositions thereof | Ryoji Tsukamoto, Takafumi Kudo, Masahiko Kosuge, Tomokatsu Ura, Shinichi Kawai +4 more | 2003-02-25 |