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HDI INSTRUMENTATION, INC
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SANTA CLARA, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optical measurement system using polarized light
Patent number
6,515,745
Issue date
Feb 4, 2003
HDI Instrumentation
Gerard H. Vurens
G01 - MEASURING TESTING
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Patent Grant
Optical measurement system using polarized light
Patent number
6,307,627
Issue date
Oct 23, 2001
HDI Instrumentation
Gerard H. Vurens
G01 - MEASURING TESTING
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Patent Grant
Optical measurement system using polarized light
Patent number
6,134,011
Issue date
Oct 17, 2000
HDI Instrumentation
David L. Klein
G01 - MEASURING TESTING
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Patent Grant
Thin film optical measurement system
Patent number
5,898,181
Issue date
Apr 27, 1999
HDI Instrumentation
Gerard H. Vurens
G11 - INFORMATION STORAGE
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Patents Applications
last 30 patents
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Patent Application
Reflectance surface analyzer
Publication number
20050206884
Publication date
Sep 22, 2005
HDI INSTRUMENTATION
Kasra Khazeni
G01 - MEASURING TESTING
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Patent Application
Determination of physical qualities of lubricant
Publication number
20050132958
Publication date
Jun 23, 2005
HDI INSTRUMENTATION
Qingfang Leng
G01 - MEASURING TESTING