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Andy Cheng
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Hsin-Chu, TW
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last 30 patents
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Patent Grant
Upper cover plate for an air-tight chamber and a tool for removing...
Patent number
6,491,178
Issue date
Dec 10, 2002
Mosel Vitelic Inc
Philip Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Scanner interface device of video system
Patent number
5,815,284
Issue date
Sep 29, 1998
Must Systems Inc.
Andy Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer keyboard power saving method
Patent number
5,767,594
Issue date
Jun 16, 1998
Holtek Microelectronics, Inc.
Andrew Cheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Encoding control device
Patent number
5,654,712
Issue date
Aug 5, 1997
Holtek Microelectronics Inc.
Andrew Cheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scanning apparatus including a light adjusting device
Patent number
5,592,306
Issue date
Jan 7, 1997
Must Systems Inc.
Andy Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE