Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10177567 | Power supply apparatus and electronic apparatus having the same | Jae-cheol Lee, Byung Soo Kim, Jae Hwan Kim | 2019-01-08 |
| 9899972 | Switching amplifier, sound output device, and audio apparatus using the same | Jae-cheol Lee | 2018-02-20 |
| 9681239 | Audio output apparatus and method for audio correction | Jae-cheol Lee | 2017-06-13 |
| 9578431 | Audio output apparatus capable of controlling temperature of voice coil and method thereof | Oan-jin Kim, Jong Woo Kim | 2017-02-21 |
| 9413304 | Electronic device and control method thereof | Jae-cheol Lee, Byung Soo Kim, Joo-moon Youn | 2016-08-09 |
| 9294855 | Apparatus and method for processing audio signal | Jong Woo Kim, Jong Kyu LEE, Byung Soo Kim | 2016-03-22 |
| 8841966 | Sound output device using vacuum tube, audio apparatus and method for sound output thereof | Jae-cheol Lee, Byung Soo Kim, Joo-moon Youn | 2014-09-23 |
| 6226053 | Video line connection apparatus for adaptively connecting external input/output line | — | 2001-05-01 |