Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056461 | Process of making polyester multifilament yarn | Chan Min Park | 2006-06-06 |
| 6967058 | Polyester multifilament yarn for rubber reinforcement and method of producing the same | Chan Min Park | 2005-11-22 |
| 6878326 | Process for preparing industrial polyester multifilament yarn | Song-joo Choi, Jong Bok Lee | 2005-04-12 |
| 6641765 | Polyester multifilament yarn | Duk-ho Oh, Song-joo Choi | 2003-11-04 |
| 6511624 | Process for preparing industrial polyester multifilament yarn | Duk-ho Oh, Song-joo Choi | 2003-01-28 |
| 6511747 | High strength polyethylene naphthalate fiber | Song-joo Choi, Jong Bok Lee | 2003-01-28 |
| 6312634 | Process of making polyester fibers | Duk-ho Oh, Hyek Se Lee | 2001-11-06 |