Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12400562 | Heat-shrinkable polyester label film and method for preparing thereof | Yi-Fen Chen, Li-Ling Chang | 2025-08-26 |
| 11965069 | Heat-shrinkable polyester film and method for manufacturing the same | Li-Ling Chang, Ting-Yu Lin, Ching-Chun Tsai, Wen-Yi Chang | 2024-04-23 |
| 11396599 | Heat-shrinkable polyester film and process for making the same | Li-Ling Chang, Chun-Chia Hsu | 2022-07-26 |