Charles Chang

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Hsinchu County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Mobile charge/discharge device
- Patent number 10,819,130
- Issue date Oct 27, 2020
- Wistron Corp.
- Ronald Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential amplifier
- Patent number 8,604,877
- Issue date Dec 10, 2013
- Hanerfy Technologies, Inc.
- Charles Chang
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
MOBILE CHARGE/DISCHARGE DEVICE
- Publication number 20180159348
- Publication date Jun 7, 2018
- Wistron Corp.
- Ronald CHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LED DRIVER CIRCUIT
- Publication number 20120217888
- Publication date Aug 30, 2012
- HANERGY TECHNOLOGIES, INC.
- Charles Chang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVING CIRCUIT FOR LED
- Publication number 20120217894
- Publication date Aug 30, 2012
- HANERGY TECHNOLOGIES, INC.
- Charles Chang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DRIVING CIRCUIT FOR LED
- Publication number 20120217890
- Publication date Aug 30, 2012
- HANERGY TECHNOLOGIES, INC.
- Charles Chang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Differential Amplifier
- Publication number 20120161869
- Publication date Jun 28, 2012
- HANERGY TECHNOLOGIES, INC.
- Charles Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LED Driving Circuit
- Publication number 20120161668
- Publication date Jun 28, 2012
- HANERGY TECHNOLOGIES, INC.
- Charles Chang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR