Assignee
CAO ZHIHENG
US·3 granted patents·3 pending applications·8 citations·filing 2010–2014
Top patents by PatentIndex Score
6 records- 0179US8723610B2Voltage controlled oscillatorCAO ZHIHENG·Filed 2012·Granted May 13, 2014·5 cites·20 claims
- 0255US8493156B2High amplitude voltage-controlled oscillator with dynamic bias circuitCAO ZHIHENG·Filed 2011·Granted Jul 23, 2013·1 cites·19 claims
- 0351US8659419B2Method and apparatus for preventing person, animals or items from getting lostCAO ZHIHENG·Filed 2010·Granted Feb 25, 2014·2 cites·16 claims
- 0449US2013181839A1Method and Apparatus for Energy Efficient and Low Maintenance Cost Wireless Monitoring of Physical Items and Animals from the InternetCAO ZHIHENG·Filed 2012·Application pending·0 cites
- 0539US2014125130A1Power Stealing Thermostat Circuit With Over Current ProtectionCAO ZHIHENG·Filed 2014·Application pending·0 cites
- 0639US2014135998A1Method and Apparatus for Energy Efficient Heating and Air Conditioning AutomationCAO ZHIHENG·Filed 2014·Application pending·0 cites
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