CROWN AUDIO INC has a total of 12 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and measurement are AVATEKH INC, SASAI TOSHIROU and SCHNEIDER ELECTRIC POWER DRIVES GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 4 | |
#2 | Australia | 3 | |
#3 | WIPO (World Intellectual Property Organization) | 3 | |
#4 | China | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Basic communication technologies | |
#3 | Measurement | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | AC and DC conversion devices | |
#2 | Resonators | |
#3 | Amplifiers | |
#4 | Measuring electric variables | |
#5 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Stanley Gerald R | 8 |
#2 | Stanley Gerald | 2 |
#3 | Stanley G R | 1 |
#4 | Stanley G | 1 |
Publication | Filing date | Title |
---|---|---|
WO0118947A1 | Low-cost soft switching in paralleled switch assemblies | |
US6178102B1 | Regulated DC output power supply for amplifiers | |
US6297975B1 | Generalized method of paralleling voltage amplifiers | |
US6204657B1 | Temperature compensated closed-loop hall effect current transformer | |
US6201395B1 | Dual mode gradient coil system |