Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11798788 | Hollow cathode, an apparatus including a hollow cathode for manufacturing a semiconductor device, and a method of manufacturing a semiconductor device using a hollow cathode | Sang Ki Nam, Sunggil Kang, Sungyong Lim, Beomjin Yoo, Akira Koshiishi +1 more | 2023-10-24 |