Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10748634 | Three-dimensional semi-conductor memory devices including a first contact with a sidewall having a stepwise profile | Kwang Ho Kim, Seunghyun Cho | 2020-08-18 |
| 10354740 | Three-dimensional semiconductor memory devices including first contact having a stepwise profile at interface between two portions | Kwang Ho Kim, Seunghyun Cho | 2019-07-16 |