Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50089 | Three dimensional semiconductor devices | Sung-Il Chang, Changhyun Lee, Jin-Soo Lim | 2024-08-20 |
| 11121154 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2021-09-14 |
| 11107833 | Semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2021-08-31 |
| 10978479 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2021-04-13 |
| 10748929 | Three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2020-08-18 |
| 10600801 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2020-03-24 |
| 10586808 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2020-03-10 |
| 10559590 | Three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2020-02-11 |
| 10483278 | Nonvolatile memory devices and methods forming the same | Changhyun Lee | 2019-11-19 |
| 10411031 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2019-09-10 |
| 10038007 | Three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2018-07-31 |
| 10037888 | Three-dimensional nonvolatile memory devices including interposed floating gates | Hansoo Kim, Jinho Kim, Kihyun Kim | 2018-07-31 |
| 9947686 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2018-04-17 |
| 9905574 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2018-02-27 |
| 9793292 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2017-10-17 |
| 9754957 | Nonvolatile memory devices and methods forming the same | Changhyun Lee | 2017-09-05 |
| 9627396 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2017-04-18 |
| 9536895 | Methods of fabricating three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2017-01-03 |
| 9490130 | Method of manufacturing three-dimensional semiconductor memory device in which an oxide layer is formed at bottom of vertical structure of the device | Jong-In Yun, Jin-Soo Lim, Hansoo Kim, Sung-Hwan JANG, Youngwoo Park | 2016-11-08 |
| 9356159 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2016-05-31 |
| 9337351 | Three-dimensional nonvolatile memory devices including interposed floating gates | Hansoo Kim, Jinho Kim, Kihyun Kim | 2016-05-10 |
| 9240419 | Three-dimensional semiconductor devices and methods of fabricating the same | Sung-Il Chang, Changhyun Lee, Jin-Soo Lim | 2016-01-19 |
| 9190533 | Three-dimensional nonvolatile memory devices including interposed floating gates | Hansoo Kim, Jinho Kim, Kihyun Kim | 2015-11-17 |
| 9177965 | Nonvolatile memory device in three-dimensional structure with a stress reducing materials on the channel | Changhyun Lee, Sung-II Chang | 2015-11-03 |
| 9136395 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2015-09-15 |