Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543527 | Red phosphorescent compound and organic light emitting diode device using the same | — | 2017-01-10 |
| 9324958 | Red phosphorescent composition and organic electroluminescent device using the same | Do-Han Kim, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee, Dong-Hee Yoo +7 more | 2016-04-26 |
| 9023489 | Red phosphorescent compounds and organic electroluminescent devices using the same | Jung Keun Kim, Jeong-Dae Seo, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee +1 more | 2015-05-05 |
| 8986853 | Red phosphorescent composition and organic electroluminescent device using the same | Do-Han Kim, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee, Dong-Hee Yoo +7 more | 2015-03-24 |
| 8956737 | Red phosphorescent compound and organic electroluminescent device using the same | Chun Gun Park, Jung Keun Kim, Jong-Kwan Bin, Sung-Hoon Pieh, Do-Han Kim +1 more | 2015-02-17 |
| 8835020 | Blue fluorescent composition and organic electroluminescent device using the same | Seung Jae Lee, In-Bum Song, Jung Keun Kim, Do-Han Kim, Chun Gun Park +9 more | 2014-09-16 |
| 8756685 | Detection system and method of suspicious malicious website using analysis of javascript obfuscation strength | Seung Goo Ji, Tai Jin Lee, Jong-Il Jeong, Hong Koo Kang, Byung Ik Kim | 2014-06-17 |
| 8647753 | Organic electroluminescence device | Jung Keun Kim, Jeong-Dae Seo, Chun Gun Park, Jong-Kwan Bin | 2014-02-11 |
| 8623519 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Jeong-Dae Seo, Kyung-Hoon Lee, Chun Gun Park, Jong-Kwan Bin +1 more | 2014-01-07 |
| 8607341 | Method and system for preserving security of sensor data and recording medium using thereof | Mi Yeon Yoon, Mi Joo Kim | 2013-12-10 |
| 8530059 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Jeong-Dae Seo, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee +1 more | 2013-09-10 |
| 8501328 | Red phosphorescent compounds and organic electroluminescent devices using the same | Jung Keun Kim, Jeong-Dae Seo, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee +1 more | 2013-08-06 |
| 8384095 | Organic light emitting display device and method for manufacturing the same | Kyung-Hoon Lee, Jong-Hyun Park, Tae-Han Park, Dong-Hee Yoo | 2013-02-26 |
| 8375428 | Password input system using alphanumeric matrices and password input method using the same | Yoo Jae Won, Hwan-Jin Lee, Byoung-Jin Han | 2013-02-12 |
| 8259723 | Device and method for generating statistical information for VoIP traffic analysis and abnormal VoIP detection | Chang-Yong Lee, Hwan Kuk Kim, Kyoung-Hee Ko | 2012-09-04 |
| 8023510 | Method of managing group of dynamic multicast efficiently | Mi Youn Yoon, Seung Goo Ji, Yoo Jae Won | 2011-09-20 |
| 7740957 | Red phosphorescence compounds and organic electroluminescence device using the same | Jung Keun Kim, Chun Gun Park, Jeong-Dae Seo, Kyung-Hoon Lee, Sang Tae Park | 2010-06-22 |
| 7709101 | Organic electroluminescence device | Jeong-Dae Seo, Chun Gun Park, Kyung-Hoon Lee | 2010-05-04 |
| 7576484 | Organic electroluminescence device | Kyung-Hoon Lee, Jeong-Dae Seo, Chun Gun Park, Jung Keun Kim, Sung Kab Kim | 2009-08-18 |
| 7470928 | Red phosphorescence compounds | Chun Gun Park, Jeong-Dae Seo, Kyung-Hoon Lee, Jae-Man Lee, Jung Keun Kim | 2008-12-30 |
| 7442449 | Organic electroluminescence device | Jung Keun Kim, Kyung-Hoon Lee, Chun Gun Park, Jeong-Dae Seo | 2008-10-28 |
| 7378162 | Organic electroluminescence devices using red phosphorescence compounds | Chun Gun Park, Jeong-Dae Seo, Kyung-Hoon Lee, Jae-Man Lee, Jung Keun Kim | 2008-05-27 |
| 6808826 | Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same | Sung Han Kim, Han-sung Yu, Soon-Ki Kwon, Yun-Hi Kim, Dong Cheol Shin +1 more | 2004-10-26 |
| 6730419 | Blue light emitting compound and organic electroluminescent device employing the same as color developing substance | Geon Hee Kim, Sung Han Kim, Soon-Ki Kwon, Yun-Hi Kim, Dong Cheol Shin +1 more | 2004-05-04 |