Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12176021 | Volatile memory device | Jae-Pil Lee | 2024-12-24 |
| 12014769 | Volatile memory device | Jae-Pil Lee, Hi Jung Kim | 2024-06-18 |
| 9147461 | Semiconductor memory device performing a refresh operation, and memory system including the same | Jae-Youn Youn, So Young Kim, Sang-Jae Rhee, Hyun-Chul Yoon, Yoon Jae Lee +2 more | 2015-09-29 |
| 8675438 | Methods of operating DRAM devices having adjustable internal refresh cycles that vary in response to on-chip temperature changes | Young-Hun Seo, Jong-Hyun Choi | 2014-03-18 |
| 8537633 | Methods of operating DRAM devices having adjustable internal refresh cycles that vary in response to on-chip temperature changes | Young-Hun Seo, Jong-Hyun Choi | 2013-09-17 |
| 8331161 | Semiconductor memory device having swap function for data output pads | — | 2012-12-11 |
| 8218137 | Methods of operating DRAM devices having adjustable internal refresh cycles that vary in response to on-chip temperature changes | Young-Hun Seo, Jong-Hyun Choi | 2012-07-10 |
| 7843752 | Circuit and method for controlling refresh periods in semiconductor memory devices | Young-Hun Seo, Jong-Hyun Choi | 2010-11-30 |
| 7716550 | Semiconductor IC including pad for wafer test and method of testing wafer including semiconductor IC | — | 2010-05-11 |
| 7541845 | Signal receiver apparatus and method for detecting logic state represented by an input signal and semiconductor integrated circuit device having the same | — | 2009-06-02 |
| 7230475 | Semiconductor devices including an external power voltage control function and methods of operating the same | Jong-Hyun Choi, Mi-Jo Kim, Beob-Rae Cho | 2007-06-12 |
| 6876564 | Integrated circuit device and method for applying different types of signals to internal circuit via one pin | Kyoung-Hwan Kwon | 2005-04-05 |
| 6590429 | Data receivers for reproducing data input signals and methods for detecting data signals in data input receivers | Jung-Hwan Choi | 2003-07-08 |