Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738369 | Method of separating rare earth elements from rare earth polishing powder wastes | Namil Um, Mi-Jeong Jeong, Young Yeul Kang, Cheol Woo Yoon, Yong-Jun Kim +4 more | 2020-08-11 |
| 9563770 | Spammer group extraction apparatus and method | Min Sik Kim, Min Kyung Cho, In Sung Park, Jong Cheoll Moon, Sang Woo Park | 2017-02-07 |
| 9560032 | Method and apparatus for preventing illegitimate outflow of electronic document | Min Sik Kim, Seung Jin Ryu, Han-Jun Yoon, Do Hoon Lee | 2017-01-31 |
| 7884782 | Electro-luminescence display panel and driving method thereof | Jae Do Lee, Hak Su Kim | 2011-02-08 |
| 7663589 | Electro-luminescence display device and driving method thereof | Won Kyu Ha, Hak Su Kim, Jae Do Lee, Jung Min Seo, Hyun Joung Kim | 2010-02-16 |