Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10699758 | Delay circuit and semiconductor system using the delay circuit | — | 2020-06-30 |
| 10509594 | Memory module and memory system including the same | — | 2019-12-17 |
| 10340255 | Semiconductor apparatus and semiconductor system including the same | — | 2019-07-02 |
| 10050017 | Semiconductor apparatus and semiconductor system including the same | — | 2018-08-14 |
| 9606557 | Integrated circuit | — | 2017-03-28 |
| 9496878 | Phase-locked loop and integrated circuit chip including the same, and test system including the integrated circuit chip | Hae-Rang Choi, Joo Hwan Cho, Kwang-Jin Na | 2016-11-15 |
| 9397671 | Delay locked loop and semiconductor apparatus | — | 2016-07-19 |
| 9190125 | Clock generation circuit and semiconductor memory device employing the same | — | 2015-11-17 |
| 9071232 | Integrated circuit with ring oscillator | Suhwan Kim, Gi Moon Hong | 2015-06-30 |
| 9054715 | Delay locked loop and semiconductor apparatus | — | 2015-06-09 |
| 8970268 | Semiconductor apparatus | — | 2015-03-03 |
| 8847644 | Semiconductor apparatus | — | 2014-09-30 |
| 8766687 | Semiconductor memory device and operating method thereof | — | 2014-07-01 |
| 8653866 | Semiconductor device and operating method thereof | — | 2014-02-18 |
| 8643439 | Oscillation circuit of semiconductor apparatus | — | 2014-02-04 |
| 8624672 | Integrated circuit | — | 2014-01-07 |
| 8400196 | Phase correction circuit for multi-phase signals with skew detection | — | 2013-03-19 |
| 8358160 | Clock signal generation circuit | — | 2013-01-22 |
| 8295121 | Clock buffer and a semiconductor memory apparatus using the same | — | 2012-10-23 |
| 8242820 | Phase locked loop and method for operating the same | — | 2012-08-14 |
| 8195107 | Signal transmission system and signal transmission method thereof | — | 2012-06-05 |
| 8138793 | Integrated circuit and method for operating the same | — | 2012-03-20 |
| 8063708 | Phase locked loop and method for operating the same | — | 2011-11-22 |
| 8063677 | Phase locked loop and method for operating the same | — | 2011-11-22 |
| 8004314 | Semiconductor device | — | 2011-08-23 |