Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9899972 | Switching amplifier, sound output device, and audio apparatus using the same | Jae-cheol Lee | 2018-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9899972 | Switching amplifier, sound output device, and audio apparatus using the same | Jae-cheol Lee | 2018-02-20 |