Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562274 | Process of making biaxially oriented polyester films | Masayoshi Asakura, Kenichi Etou | 2003-05-13 |
| 6517762 | Polyester film and production method thereof | Takuji Higashioji, Kenji Tsunashima | 2003-02-11 |