Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11658039 | Plasma etching apparatus, plasma etching method, and semiconductor device fabrication method including the plasma etching method | Kyuho Kim, Sungjun Ann, Myungsun Choi, Dougyong Sung, Seungbo Shim | 2023-05-23 |
| 11650541 | Method for obtaining full-color hologram optical element using photopolymer, and head-up display apparatus with the same | Young Tae Lim, Chang Won Shin, Ki C. Kwon | 2023-05-16 |