Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309956 | Method for compensating boresight error in low earth orbit satellite antenna | Chang Seong Kim | 2022-04-19 |
| 11038276 | Substrate-integrated waveguide slot antenna with metasurface | Hyung Jun An, Chang Seong Kim | 2021-06-15 |
| 8980090 | Apparatus and method for alternative aeration-effluent wastewater treatment using ceramic membrane | Yong Su Choi, Seok Won Hong, Jae Shik Chung, Gyo Bum Kim, Yun Chul Chung | 2015-03-17 |
| 8259698 | Method of transmitting channel information in wireless communication system | — | 2012-09-04 |
| 7894554 | Apparatus for performing initial synchronization and frame synchronization in mobile communications system and method thereof | Nam Hoon Kim | 2011-02-22 |
| 6861815 | Motor control drive circuit | Hyun Min CHO | 2005-03-01 |
| 6509708 | Motor driving circuit using a PWM input signal | Hyun Min CHO | 2003-01-21 |