Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9620451 | Semiconductor memory device with selectively located air gaps | Chang-Youn Hwang, Ill-Hee Joe, Dae-Sik Park, Hae-Jung Park, Se Han Kwon | 2017-04-11 |
| 9337203 | Semiconductor device with line-type air gaps and method for fabricating the same | Chang-Youn Hwang, Ill-Hee Joe, Dae-Sik Park, Hae-Jung Park, Se Han Kwon | 2016-05-10 |
| 9147595 | Semiconductor devices having buried metal silicide layers and methods of fabricating the same | Sang-Do Lee, Hae-Jung Lee, Myoung Soo Kim | 2015-09-29 |
| 8278223 | Method for forming hole pattern | — | 2012-10-02 |
| 7964463 | Method for fabricating semiconductor device including vertical channel transistor | — | 2011-06-21 |