Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11394000 | Electron buffering materials, electron transport materials and organic electroluminescent device comprising the same | Hee-Choon Ahn | 2022-07-19 |
| 11387417 | Organic electroluminescent device | Tae Jin LEE, Jeong-Eun Yang, Dong-Hyung LEE | 2022-07-12 |
| 11316114 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Hong-Yeop Na, Zhengming Tang, Shaoguang Feng, Doo-Hyeon Moon | 2022-04-26 |
| 11302874 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Jeong-Eun Yang, Hong-Se OH, Hee-Ryong Kang, Young Gil Kim | 2022-04-12 |
| 11183640 | Organic electroluminescent device comprising electrontransport layer and electron buffer layer | Doo-Hyeon Moon | 2021-11-23 |
| 11171302 | Organic electroluminescent device | Sung-Woo Jang, Dong-Hyung LEE, Nam-Kyun Kim | 2021-11-09 |
| 11107997 | Organic electroluminescent device comprising an electron buffer layer and an electron transport layer | Doo-Hyeon Moon | 2021-08-31 |
| 10991889 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Hyun Jung Kim, Doo-Hyeon Moon, Sung Wook Cho | 2021-04-27 |
| 10928083 | Air conditioner having air purifying module | Jung Yeol Park, Young Hwan Son, Seong Min Lee, Jae Seon Yi, Jong Hyun Koo +3 more | 2021-02-23 |
| 10818846 | Electron transport material and organic electroluminescent device comprising the same | Chi-Sik Kim, Jeong-Eun Yang, Young Jun Cho, Kyung-Hoon Choi, Jae Hoon Shim +1 more | 2020-10-27 |
| 10749119 | Plurality of host materials and organic electroluminescent device comprising the same | Bitnari Kim, Hee-Ryong Kang, Jin-Ri Hong | 2020-08-18 |
| 10490752 | Plurality of host materials and organic electroluminescent device comprising the same | Bitnari Kim, Hee-Ryong Kang, Young-Mook Lim, Jin-Ri Hong, Tae Jin LEE | 2019-11-26 |
| 10426864 | Storage apparatus having air purifying module | Jung Yeol Park, Young Hwan Son, Seong Min Lee, Jae Seon Yi, Jong Hyun Koo +3 more | 2019-10-01 |
| 10342888 | Storage apparatus having air purifying module | Jung Yeol Park, Young Hwan Son, Seong Min Lee, Jae Seon Yi, Jong Hyun Koo +3 more | 2019-07-09 |
| 10143769 | Storage apparatus having air purifying module | Jung Yeol Park, Young Hwan Son, Seong Min Lee, Jae Seon Yi, Jong Hyun Koo +3 more | 2018-12-04 |
| 9732099 | Organic electroluminescent compounds and organic electroluminescent devices comprising the same | Ji-Song JUN, Kyoung-Jin Park | 2017-08-15 |
| 9468699 | Air conditioner having air purifying module | Jung Yeol Park, Young Hwan Son, Seong Min Lee, Jae Seon Yi, Jong Hyun Koo +3 more | 2016-10-18 |
| 9395095 | Air purifying apparatus having shuntable air duct | Jong Hyun Koo, Dae Woong Suh, Young Hwan Son, Seong Min Lee, Jae Seon Yi +4 more | 2016-07-19 |
| 7068915 | Method and apparatus for controlling display time point of MPEG bit stream of recording medium | — | 2006-06-27 |
| 5795537 | Method of producing composite oxide ceramics | Mamoru Senna, Kenji Hamada | 1998-08-18 |