Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475046 | Method for the production of highly transparent polyester film | Young-Hoon Son, Chul Hwan Kim, Byung Choon Lee | 1995-12-12 |
| 5427730 | Method for the production of biaxially stretched polyester film for magnetic recording media | Young-Hoon Son, Hee-jung PARK, Byung Choon Lee | 1995-06-27 |