De-An Chang

Person

Hsinchu Hsuan, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Power amplifier
- Patent number 8,089,313
- Issue date Jan 3, 2012
- Industrial Technology Research Institute
- De Cheng Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit and the controlling method thereof
- Patent number 7,944,308
- Issue date May 17, 2011
- Industrial Technology Research Institute
- Yu Cheng Hsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for manufacturing high-brightness planar lamp
- Patent number 7,008,283
- Issue date Mar 7, 2006
- Candle Laboratory Co., Ltd.
- Chih Yung Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-brightness flat lamp structure
- Patent number 6,841,923
- Issue date Jan 11, 2005
- Optoware Electronics Co., Ltd.
- Chih Yung Liu
- F21 - LIGHTING
Information Patent Grant
Low temperature method for phosphor screen formation
- Patent number 6,015,587
- Issue date Jan 18, 2000
- Industrial Technology Research Institute
- Yui-Shin Fran
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Screen printing of surface layers
- Patent number 6,001,283
- Issue date Dec 14, 1999
- Industrial Technology Research Institute
- De-An Chang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for metallizing a phosphor layer
- Patent number 5,938,872
- Issue date Aug 17, 1999
- Industrial Technology Research Institute
- De-An Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Screen printing of surface layers
- Patent number 5,843,534
- Issue date Dec 1, 1998
- Industrial Technology Research Institute
- De-An Chang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Screen printing on film coated substrates
- Patent number 5,699,733
- Issue date Dec 23, 1997
- Industrial Technology Research Institute
- De-An Chang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
POWER AMPLIFIER
- Publication number 20110090011
- Publication date Apr 21, 2011
- Industrial Technology Research Institute
- De Cheng Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER CIRCUIT AND THE CONTROLLING METHOD THEREOF
- Publication number 20100244963
- Publication date Sep 30, 2010
- Industrial Technology Research Institute
- Yu Cheng HSU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High-brightness flat lamp structure
- Publication number 20040164664
- Publication date Aug 26, 2004
- Chih Yung Liu
- F21 - LIGHTING
Information Patent Application
Method for manufacturing high-brightness planar lamp
- Publication number 20040166759
- Publication date Aug 26, 2004
- Chih Yung Liu
- H01 - BASIC ELECTRIC ELEMENTS

De-An Chang

Person

Patents Grantslast 30 patents

Power amplifier

Amplifier circuit and the controlling method thereof

Method for manufacturing high-brightness planar lamp

High-brightness flat lamp structure

Low temperature method for phosphor screen formation

Screen printing of surface layers

Method for metallizing a phosphor layer

Screen printing of surface layers

Screen printing on film coated substrates

Patents Applicationslast 30 patents

POWER AMPLIFIER

AMPLIFIER CIRCUIT AND THE CONTROLLING METHOD THEREOF

High-brightness flat lamp structure

Method for manufacturing high-brightness planar lamp