Hong Yao

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Differential amplifier design as the preamp of DMM
- Patent number 9,935,598
- Issue date Apr 3, 2018
- Fluke Precision Measurement Ltd.
- Hong Yao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current sensing circuit
- Patent number 9,531,181
- Issue date Dec 27, 2016
- Fluke Precision Measurement Ltd.
- Hong Yao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active current measurement circuit and measurement device
- Patent number 9,423,430
- Issue date Aug 23, 2016
- Hong Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for amplifying a signal and test device using...
- Patent number 8,228,054
- Issue date Jul 24, 2012
- Fluke Corporation
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for amplifying a signal and test device using...
- Patent number 7,932,713
- Issue date Apr 26, 2011
- Fluke Corporation
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for amplifying a signal and test device using...
- Patent number 7,928,721
- Issue date Apr 19, 2011
- Fluke Corporation
- Hong Yao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CURRENT SENSING CIRCUIT
- Publication number 20150131188
- Publication date May 14, 2015
- Danaher (Shanghai) Industrial Instrumentation Technologies R&D Co., Ltd.
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Application
ACTIVE CURRENT MEASUREMENT CIRCUIT AND MEASUREMENT DEVICE
- Publication number 20150130484
- Publication date May 14, 2015
- Danaher (Shanghai) Industrial Instrumentation Technologies R&D Co., Ltd.
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Application
DIFFERENTIAL AMPLIFIER DESIGN AS THE PREAMP OF DMM
- Publication number 20150130483
- Publication date May 14, 2015
- Danaher (Shanghai) Industrial Instrumentation Technologies R&D Co., Ltd.
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR AMPLIFYING A SIGNAL AND TEST DEVICE USING...
- Publication number 20110193549
- Publication date Aug 11, 2011
- FLUKE CORPORATION
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR AMPLIFYING A SIGNAL AND TEST DEVICE USING...
- Publication number 20100109646
- Publication date May 6, 2010
- FLUKE CORPORATION
- Hong Yao
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for amplifying a signal and test device using...
- Publication number 20090027042
- Publication date Jan 29, 2009
- FLUKE CORPORATION
- Hong Yao
- G01 - MEASURING TESTING