Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10559576 | Manufacturing method of semiconductor device including transistor having offset insulating layers | Dong Hwan Lee, Hyun Heo | 2020-02-11 |
| 10176879 | High voltage switch circuit and semiconductor memory device including the same | Dong Hwan Lee | 2019-01-08 |
| 9754950 | Semiconductor device including transistor having offset insulating layers | Dong Hwan Lee, Hyun Heo | 2017-09-05 |
| 9467050 | Semiconductor apparatus having transfer circuit transferring high voltage | Yeonghun LEE, Hyun Heo, Dong Hwan Lee | 2016-10-11 |
| 9331089 | Semiconductor memory device and method of fabricating the same | — | 2016-05-03 |
| 9299447 | 3-dimensional semiconductor device having memory cells stacked over substrate | Yeonghun LEE, Hyun Heo, Dong Hwan Lee | 2016-03-29 |
| 9018707 | Semiconductor device | — | 2015-04-28 |
| 8956950 | Method of manufacturing semiconductor devices | — | 2015-02-17 |
| 8912575 | Semiconductor memory device and method of fabricating the same | — | 2014-12-16 |
| 8520445 | Semiconductor memory device and method of operating the same | — | 2013-08-27 |