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Hou-Ching Chin
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Taipei, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Focus adjustable method of optical image
Patent number
7,634,183
Issue date
Dec 15, 2009
Primax Electronics Ltd.
Hou-Ching Chin
G02 - OPTICS
Information
Patent Grant
Optical computer pointer and optical cursor/frame control method
Patent number
7,492,352
Issue date
Feb 17, 2009
Transpacific Plasma, LLC
Wen-Hao Hsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Detection method and device for detecting quality of optical element
Patent number
7,248,348
Issue date
Jul 24, 2007
Primax Electronics Ltd.
Hou-Ching Chin
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Focus adjustable method of optical image
Publication number
20070071349
Publication date
Mar 29, 2007
Primax Electronics Ltd.
Hou-Ching Chin
G02 - OPTICS
Information
Patent Application
Detection method and device for detecting quality of optical element
Publication number
20060262298
Publication date
Nov 23, 2006
Primax Electronics Ltd.
Hou-Ching Chin
G01 - MEASURING TESTING
Information
Patent Application
Motion testing method and system for testing optical sensing modules
Publication number
20060044266
Publication date
Mar 2, 2006
Primax Electronics Ltd.
Hou-Ching Chin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical computer pointer and optical cursor/frame control method
Publication number
20050062721
Publication date
Mar 24, 2005
Wen-Hao Hsu
G06 - COMPUTING CALCULATING COUNTING