AD SEMICONDUCTOR CO., LTD.

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Multi-touch recognition resistive touch screen for recognizing mult...
- Patent number 8,711,123
- Issue date Apr 29, 2014
- AD Semiconductor Co., Ltd.
- Kwang Deok Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for detecting capacitance using a plurality of...
- Patent number 8,058,883
- Issue date Nov 15, 2011
- AD Semiconductor Co., Ltd.
- Sang-Chuel Lee
- G01 - MEASURING TESTING
Information Patent Grant
Method and IC for detecting capacitance variation
- Patent number 7,091,727
- Issue date Aug 15, 2006
- AD Semiconductor Co., Ltd.
- Sang-Chuel Lee
- G01 - MEASURING TESTING

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Patents Applicationslast 30 patents

Information Patent Application
MULTI-TOUCH RECOGNITION RESISTIVE TOUCH SCREEN FOR RECOGNIZING MULT...
- Publication number 20120092291
- Publication date Apr 19, 2012
- AD Semiconductor Co., Ltd.
- Kwang Deok Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING CAPACITANCE USING A PLURALITY OF...
- Publication number 20090302871
- Publication date Dec 10, 2009
- AD SEMICONDUCTOR CO., LTD.
- Sang-Chuel Lee
- G01 - MEASURING TESTING
Information Patent Application
CHARACTER INPUT APPARATUS
- Publication number 20090207053
- Publication date Aug 20, 2009
- AD SEMICONDUCTOR CO., LTD.
- Sang-Chuel Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and IC for detecting capacitance variation
- Publication number 20060055417
- Publication date Mar 16, 2006
- AD SEMICONDUCTOR CO., LTD.
- Sang-Chuel Lee
- G01 - MEASURING TESTING