Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887414 | Method for manufacturing polyester fibers | Heyng-keyng Kim | 2005-05-03 |
| 6641765 | Polyester multifilament yarn | Eun-lai Cho, Song-joo Choi | 2003-11-04 |
| 6511624 | Process for preparing industrial polyester multifilament yarn | Eun-lai Cho, Song-joo Choi | 2003-01-28 |
| 6312634 | Process of making polyester fibers | Eun-lai Cho, Hyek Se Lee | 2001-11-06 |