Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391678 | Compound and organic light emitting device comprising same | Yongbum Cha, Sung Kil Hong, Dong Uk Heo, Woo Jin Cho | 2025-08-19 |
| 12120948 | Boron-containing compound and organic light-emitting element comprising same | Sujeong GEUM, Kyunghee Kim, Wanpyo Hong, Sang Duk SUH | 2024-10-15 |
| 12046565 | Vertical memory device with metal and spacer support structure | — | 2024-07-23 |
| 11950440 | Organic light emitting device | Dongkeun Song, Jiyoung Noh, Yongbum Cha, Woochul LEE | 2024-04-02 |
| 11926607 | Compound and organic light emitting device comprising the same | Yongbum Cha, Sung Kil Hong, Sung Jae Lee, Hyeon Jin Mun | 2024-03-12 |
| 11685751 | Compound and organic light-emitting element comprising same | Sujeong GEUM, Hye Min CHO, Seonwoo KIM, Wanpyo Hong, Hoon Jun KIM | 2023-06-27 |
| 11588035 | Semiconductor devices | — | 2023-02-21 |
| 11430807 | Three-dimensional memory device including word line including polysilicon and metal | — | 2022-08-30 |
| 11417603 | Semiconductor devices | — | 2022-08-16 |
| 10741577 | Three-dimensional semiconductor memory devices | Bongyong Lee | 2020-08-11 |
| 10229927 | Semiconductor device and method of manufacturing the semiconductor device | Dohyun Lee, Young Jin Kwon, Youngwoo Park, Jaeduk Lee | 2019-03-12 |
| 10109747 | Semiconductor memory devices and methods of fabricating the same | Byong-Hyun Jang, Juhyung Kim, Woonkyung Lee, Chaeho Kim, Junkyu Yang +3 more | 2018-10-23 |
| 9911750 | Semiconductor memory devices including asymmetric word line pads | — | 2018-03-06 |
| 9768193 | Three-dimensional (3D) semiconductor devices and methods of fabricating 3D semiconductor devices | Youngwoo Park | 2017-09-19 |
| 9735396 | White organic light emitting diode | Seil Kim | 2017-08-15 |
| 9559112 | Semiconductor devices and methods of fabricating the same | Youngwoo Park, Jungdal Choi | 2017-01-31 |
| 9472568 | Semiconductor device and method of fabricating the same | Yoocheol Shin, Young Jin Kwon, Jintaek Park | 2016-10-18 |
| 9437483 | Methods for forming etch stop layers, semiconductor devices having the same, and methods for fabricating semiconductor devices | Youngwoo Park | 2016-09-06 |
| 9385139 | Three dimensional semiconductor memory devices and methods of fabricating the same | Sung-Il Chang, Youngwoo Park | 2016-07-05 |
| 9368560 | Organic light emitting display devices and methods of fabricating the same | Woosik Jeon, Young-Mo Koo, Min-Woo Lee | 2016-06-14 |
| 9362226 | Three-dimensional (3D) semiconductor devices and methods of fabricating 3D semiconductor devices | Youngwoo Park | 2016-06-07 |
| 9362303 | Semiconductor memory devices including fine patterns and methods of fabricating the same | Youngwoo Park, Jaeduk Lee | 2016-06-07 |
| 9305933 | Methods of forming semiconductor memory devices | — | 2016-04-05 |
| 9142563 | Three dimensional semiconductor memory devices and methods of fabricating the same | Sung-Il Chang, Youngwoo Park | 2015-09-22 |
| 9130054 | Semiconductor memory devices and methods of fabricating the same | Byong-Hyun Jang, Juhyung Kim, Woonkyung Lee, Chaeho Kim, Junkyu Yang +3 more | 2015-09-08 |