Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8877349 | Organometallic complex and organic electroluminescence device using the same | Das Rupasree Ragini, Che-Un Yang, Young-Hun Byun, O-Hyun Kwon, Lyong-Sun Pu +4 more | 2014-11-04 |
| 8481173 | Organometallic complex and organic electroluminescence device using the same | Das Rupasree Ragini, Hee Kyung Kim, O-Hyun Kwon, Myeong-Suk Kim, Jong Jin Park +3 more | 2013-07-09 |
| 8362683 | Organic light emitting display apparatus | Hyo-Seok Kim, Byoung-Ki Choi | 2013-01-29 |
| 8227093 | Cyclometalated transition metal complex and organic electroluminescence device using the same | Young-Hun Byun, Hee Kyung Kim, Lyong-Sun Pu, Das Rupasree Ragini, Jong Jin Park +4 more | 2012-07-24 |
| 8102118 | White organic light emitting device and color display apparatus employing the same | Sung-Hun Lee, Sang-Yeol Kim, Mu-Gyeom Kim, Jung-Bae Song | 2012-01-24 |
| 8053091 | Hyperbranched polymer, organic light-emitting diode including organic layer including the hyperbranched polymer, and method of manufacturing the organic light-emitting diode | Tae-Woo Lee, Jong Jin Park, Masa-aki Kakimoto | 2011-11-08 |
| 8049420 | Organic emitting device | Sung-Hun Lee | 2011-11-01 |
| 8048537 | Cyclometalated transition metal complex and organic light emitting device using the same | Young-Hun Byun, Hee Kyung Kim, Das Rupasree Ragini, O-Hyun Kwon, Yi-Yeol Lyu +1 more | 2011-11-01 |
| 8025986 | Organic electroluminescent element and light-emitting device or display device incorporated therewith | Tadashi Ishibashi, Mari Ichimura, Naoyuki Ueda | 2011-09-27 |
| 7968214 | White organic light emitting device | Tae-Yong Noh, Junji Kido, Euk Che Hwang | 2011-06-28 |
| 7901793 | Organic light-emitting compound and organic light-emitting device containing the same | Myeong-Suk Kim, Byoung-Ki Choi, Jong Jin Park, Tae-Yong Noh, Lyong-Sun Pu +5 more | 2011-03-08 |
| 7859186 | White organic light emitting device | Tae-Yong Noh, Byoung-Ki Choi, Myeong-Suk Kim, Yu Jin Kim, Eun-Sil Han | 2010-12-28 |
| 7602117 | Display device and display unit using the same | Jiro Yamada, Nobutoshi Asai | 2009-10-13 |
| 7524991 | Organic electroluminescent devices, aminostyrylnaphthalene compounds and synthesis intermediates thereof, and production processes of the same | Mari Ichimura, Tadashi Ishibashi | 2009-04-28 |
| 7402344 | Organic electroluminescent devices and aminostyrylnaphthalene compounds | Mari Ichimura, Tadashi Ishibashi | 2008-07-22 |
| 7255935 | Organic electroluminescent element and luminescent apparatus employing the same | Tadashi Ishibashi, Mari Ichimura, Naoyuki Ueda | 2007-08-14 |
| 7244516 | Organic electroluminescence device | Yukinari Sakamoto, Mari Ichimura, Mitsuhiro Kashiwabara | 2007-07-17 |
| 7224114 | Display device and display unit using the same | Jiro Yamada, Nobutoshi Asai | 2007-05-29 |
| 7208868 | Light-emitting device and its use | Naoyuki Ueda, Yasunori Kuima | 2007-04-24 |
| 7196225 | Bis(aminostyryl) anthracene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2007-03-27 |
| 7186469 | Bathophenanthroline compound and EL device | Tetsuo Shibanuma, Yasunori Kijima, Nobutoshi Asai | 2007-03-06 |
| 7087310 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2006-08-08 |
| 7049470 | Bis (aminostyryl) anthracene compound, synthesis is intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2006-05-23 |
| 7022868 | Aminostyrylanthracene compound, synthetic intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2006-04-04 |
| 7008753 | Optical recording medium | Mitsuaki Oyamada | 2006-03-07 |