Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12255177 | Stacked semiconductor device | — | 2025-03-18 |
| 11804258 | Semiconductor memory apparatus, operating method thereof, and semiconductor memory system including the same | — | 2023-10-31 |
| 11599306 | Memory device | — | 2023-03-07 |
| 11289174 | Stacked semiconductor device and semiconductor system including the same | Dong Ha Lee, Seon Woo HWANG | 2022-03-29 |
| 11222684 | Refresh control device and memory device for latching an address randomly | Jae Seung Lee, Chang Hyun Kim | 2022-01-11 |
| 11139041 | Stacked semiconductor device and test method thereof | — | 2021-10-05 |
| 10867656 | Memory performing refresh operation and operation method of the same | — | 2020-12-15 |
| 10529405 | Refresh control device with plurality of oscillator circuits | Jae Seung Lee, Chang Hyun Kim | 2020-01-07 |
| 10475486 | Electronic devices | — | 2019-11-12 |
| 10388336 | Semiconductor apparatus and method of operating the same | — | 2019-08-20 |
| 10297293 | Semiconductor apparatus and method of operating the same | — | 2019-05-21 |
| 10037811 | Integrated circuits compensating for timing skew difference between signals | Chang Hyun Kim, Kibong Koo, Choung Ki SONG, Byung Kuk Yoon, Jae Seung Lee | 2018-07-31 |
| 9997228 | Refresh control device with plurality of oscillator circuits | Jae Seung Lee, Chang Hyun Kim | 2018-06-12 |
| 9484902 | Delay circuit | — | 2016-11-01 |
| 9484079 | Memory device and memory system including the same | — | 2016-11-01 |
| 9311985 | Memory and memory system for periodic targeted refresh | Choung Ki SONG | 2016-04-12 |
| 9202549 | Semiconductor memory device and memory system including the same | Jung Hyun Kim | 2015-12-01 |
| 9123447 | Memory, memory system including the same and method for operating memory | Choung Ki SONG | 2015-09-01 |
| 9123406 | Semiconductor memory device capable of selectively enabling/disabling a first input unit and a second input unit in response to a first and second internal clock in a gear-down mode | Chang Hyun Kim, Choung Ki SONG | 2015-09-01 |
| 9030904 | Memory device and memory system having programmable refresh methods | — | 2015-05-12 |
| 9007863 | Semiconductor devices | Choung Ki SONG, Chan Gi Gil, Chang Hyun Kim | 2015-04-14 |
| 8873326 | Memory device | — | 2014-10-28 |