| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Semiconductors | |
| #3 | Measurement | |
| #4 | Audio-visual technology | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shih Kelvin | 12 |
| #2 | Shih Fu-Yih | 1 |
| #3 | Hochstein Peter A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008048784A1 | Medium Voltage or High Voltage Audio Power Amplifier and Protection Circuit | |
| US2005218120A1 | Energy balanced weld controller | |
| US7052180B2 | LED junction temperature tester | |
| CA2462175A1 | Light emitting diode with integrated heat dissipater | |
| US5365201A | Power supply interruption circuit for an audio power amplifier | |
| US4809339A | Audio transducer | |
| US3988691A | Power amplifier |