Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021826 | Copolymer and composition for organic and antireflective layer | Myung-Woong Kim, Joo-Hyeon Park, Hyung Gi Kim, Jun Ho Lee, Jong-Don Lee +1 more | 2011-09-20 |
| 7764919 | Image forming apparatus with a waste storage container | — | 2010-07-27 |
| 7326520 | Copolymer of alicyclic olefin having secondary hydroxyl group and acryl compound, and chemically amplified resist composition containing the same | Hyun-Sang Joo, Joo-Hyeon Park, Dong-Chul Seo, Seong-Duk Cho, Ji-Young Song +1 more | 2008-02-05 |
| 7285373 | Polymer and chemically amplified resist composition containing the same | Joo-Hyeon Park, Dong-Chul Seo, Chang Min Kim, Seong-Duk Cho, Hyun-Sang Joo | 2007-10-23 |
| 5893007 | Combination development unit and toner level detection service | — | 1999-04-06 |