Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636609 | Method and apparatus for automatically compensating sound volume | Yeong-ho Ha, Kyu Pill Han, Zoong Hee Kim, Jae-woo Ko, Sung Hoon Choi | 2003-10-21 |
| 5983191 | Method and apparatus for automatically compensating tone color | Yeong-ho Ha, Kyu Pill Han, Sung Kyu Jeon | 1999-11-09 |