Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695279 | Polymer for preparing resist underlayer film, resist underlayer film composition containing the polymer and method for forming resist underlayer film using the composition | Kwang Kuk Lee, Jin Su Ham, Sun Joo Kim, Hye Ryoung Lee | 2017-07-04 |
| 9657428 | Drain pump and washing machine having the same | Wun Seok JEONG, Sam Young Jang, Seung Mok Lee, Kwang Duk Baek | 2017-05-23 |
| 9589788 | Polymer with a good heat resistance and storage stability, underlayer film composition containing the polymer and process for forming underlayer film using the composition | Jeong Eop Choi, Hye Ryoung Lee | 2017-03-07 |