Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562274 | Process of making biaxially oriented polyester films | Masayoshi Asakura, Tetsuya Tsunekawa | 2003-05-13 |
| 6197430 | Biaxially oriented polyester films and their production methods | Masayoshi Asakura, Tetsuya Tsunekawa | 2001-03-06 |