Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827975 | Photoplasma etching apparatus having improved plasma-resistant and manufacturing method therefor using a thermal diffusion phenomenon of a rare-earth metal thin film | Suntae KIM, Donghun JEONG | 2023-11-28 |
| 11795547 | Method of aerosol deposition coating for plasma resistant coating | Dae Hoon JANG, Dong-Joo Kim, Sang Gyu Park, Jin-Soo Park | 2023-10-24 |
| 9086211 | System and method for color mixing lens array | Dung Duong, Randall E. Johnson, Paul N. Winberg, Emil Radkov | 2015-07-21 |
| 8585253 | System and method for color mixing lens array | Dung Duong, Randall E. Johnson, Paul N. Winberg, Emil Radkov | 2013-11-19 |
| 8449128 | System and method for a lens and phosphor layer | Randall E. Johnson, Dung Duong, Paul N. Winberg | 2013-05-28 |