Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989246 | Adaptive differential, pulse code modulation sound generator | Shie-Ming Peng, Der-Chwan Wu | 1991-01-29 |
| 4701937 | Signal storage and replay system | Jeng-Joung Guo, Cheng-Fung Lin | 1987-10-20 |