Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912227 | Sound reproducing screen for an ultrasonic converting and reproducing method | Jung Ho Kim, Jun Tai Kim, Oleg V. Rudenko | 2011-03-22 |
| 7747029 | Screen for playing audible signals by demodulating ultrasonic signals having the audible signals | Jung Ho Kim, Jun Tai Kim, Oleg V. Rudenko | 2010-06-29 |