Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063781 | Vertical memory device having first contact plugs connected to plurality of staircase gate electrodes, respectively and second contact plugs extending through the staircase gate structure in the pad region | Kohji Kanamori, Shin-Hwan Kang | 2024-08-13 |
| 11335697 | Vertical memory devices having contact plugs vertically extending through plurality of gate electrodes and contacting lower circuit pattern | Kohji Kanamori, Shin-Hwan Kang | 2022-05-17 |
| 10672789 | Methods of manufacturing vertical semiconductor devices | Chang-Seok Kang | 2020-06-02 |