Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9786351 | Semiconductor memory device for performing refresh operation and operating method therof | Sung Yub Lee, Geun Il Lee | 2017-10-10 |
| 9755626 | Semiconductor integrated circuit device having delay circuit | Sung Yub Lee | 2017-09-05 |
| 9595305 | Semiconductor devices | — | 2017-03-14 |
| 9589628 | Semiconductor device performing refresh operation and method for driving the same | — | 2017-03-07 |