Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11284192 | Speaker driver and operation method thereof | Ki-Tae Park, Jin-Sung Kim, Hwang Soo Son | 2022-03-22 |
| 7983639 | RF filter and digital broadcast receiving tuner and RF signal processing device using RF filter | Choong-yul Cha, Heung-bae Lee | 2011-07-19 |
| 7274317 | Transmitter using vertical BJT | Yun-seong Eo, Il-Ku Nam, Sung-jae Jung, Kwy-Ro Lee, Heung-bae Lee +1 more | 2007-09-25 |
| 6930671 | Method for dynamically lightening backlights of mobile communications terminal | — | 2005-08-16 |