Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11271564 | High-sensitivity capacitive sensor circuit | — | 2022-03-08 |
| 8519492 | Silicon condenser microphone having an additional back chamber and a fabrication method therefor | — | 2013-08-27 |
| 8295514 | MEMS microphone package having sound hole in PCB | — | 2012-10-23 |
| 8284979 | Method of making sound hole in case of condenser microphone and the condenser microphone case | — | 2012-10-09 |
| 8126166 | Condenser microphone and packaging method for the same | — | 2012-02-28 |
| 8023670 | Stray capacitance reduced condenser microphone | Chang-Won Kim | 2011-09-20 |
| 7953235 | Directional silicon condenser microphone having additional back chamber | — | 2011-05-31 |
| 7949142 | Silicon condenser microphone having additional back chamber and sound hole in PCB | — | 2011-05-24 |
| 7940944 | Directional silicon condenser microphone having additional back chamber | — | 2011-05-10 |
| 7903831 | Silicon based condenser microphone and packaging method for the same | — | 2011-03-08 |
| 7894616 | Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge | Eek-Joo Chung, Hyun-Ho Kim | 2011-02-22 |
| 7327851 | Parallelepiped condenser microphone | — | 2008-02-05 |
| 7269267 | Method of mounting condenser microphone on main PCB and condenser microphone adapted for the same | Eek-Joo Chung, Hyun-Ho Kim | 2007-09-11 |
| 7269268 | SMD type biased condenser microphone | Eek-Joo Chung, Hyun-Ho Kim | 2007-09-11 |
| 7233674 | Integrated base and electret condenser microphone using the same | — | 2007-06-19 |
| D523002 | Condenser microphone | — | 2006-06-13 |
| D518478 | Condenser microphone | — | 2006-04-04 |
| 6552754 | Laser video projector using optical pumping valve | Sang Mook Kim | 2003-04-22 |
| 6518698 | Semiconductor laser cathode ray tube for driving at room temperature | Sang Kyun Kim, Sang-muk Kim, Young-Woo Song, Moon-gueon Kim, Duk-sung Park +1 more | 2003-02-11 |
| 6239420 | Target for laser cathode ray tube and fabrication method thereof | Tae-Sung Kim, Keon Young Lee | 2001-05-29 |