Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171141 | Gap fill methods of forming buried word lines in DRAM without forming bottom voids | Priyadarshi Panda, Seshadri Ganguli, Sang Ho Yu, Sung-Kwan Kang, Sanjay Natarajan +2 more | 2021-11-09 |
| 11049695 | Metal contact landing structure | Sung-Kwan Kang, Kyung Ha Kim | 2021-06-29 |
| 10998329 | Methods and apparatus for three dimensional NAND structure fabrication | Takehito Koshizawa, Mukund Srinivasan, Tomohiko Kitajima, Chang-Seok Kang, Sung-Kwan Kang +1 more | 2021-05-04 |
| 10964717 | Methods and apparatus for three-dimensional NAND structure fabrication | Sung-Kwan Kang, Chang-Seok Kang, Tomohiko Kitajima | 2021-03-30 |