Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965693 | Helium gas liquefier and method for liquefying helium gas | Yeon Suk Choi | 2024-04-23 |
| 11922988 | Dynamic random access memory device with long retention and operating method thereof | Yang-Kyu Choi | 2024-03-05 |
| 11869950 | Steep-slope field-effect transistor and fabrication method thereof | Yang-Kyu Choi | 2024-01-09 |
| 10163523 | Semiconductor device and operating method thereof | Sam Kyu Won, Jae Won Cha | 2018-12-25 |
| 9899102 | Semiconductor device and operating method thereof | Sam Kyu Won, Jae Won Cha | 2018-02-20 |
| 9484548 | Organic light emitting diode display | — | 2016-11-01 |
| 9478304 | Semiconductor memory device and operating method thereof | Min Sang Park, Yun Bong Lee, Suk Kwang Park, Hwang Huh, Dong-Wook Lee +4 more | 2016-10-25 |
| 9324538 | Coaxial drive apparatus for multidirectional control | Yeon Suk Choi, Min-Gab Bog, Jong Su Jeon, Jong Gu Kim | 2016-04-26 |
| 9298650 | Memory system, semiconductor memory device and operating method thereof | Wan Ik Cho, Sang Kyu Lee, Seung Jae Chung | 2016-03-29 |
| 9105346 | Semiconductor device and method for operating the same | Wan Ik Cho | 2015-08-11 |
| 9030873 | Semiconductor device and method of operating the same | Sang Kyu Lee, Min Ho Her | 2015-05-12 |
| 8623692 | Method for manufacturing solar cell including etching | Min-Chul Song, Soon-Young Park, Dong-Seop Kim, Sung Chan Park, Yoon-Mook Kang +4 more | 2014-01-07 |
| 8605505 | Semiconductor integrated circuit and data read method | — | 2013-12-10 |
| 8275934 | Nonvolatile memory device and cache read method using the same | — | 2012-09-25 |
| 6677057 | Zn-Co-W alloy electroplated steel sheet with excellent corrosion resistance and weldability, and electrolyte for plating same | — | 2004-01-13 |