HDI INSTRUMENTATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7206066 Reflectance surface analyzerMar 19, 04Apr 17, 07[G01N]
6515745 Optical measurement system using polarized lightOct 19, 01Feb 04, 03[G01J]
6307627 Optical measurement system using polarized lightNov 16, 99Oct 23, 01[G01J]
6134011 Optical measurement system using polarized lightSep 15, 98Oct 17, 00[G01J]
5898181 Thin film optical measurement systemSep 22, 97Apr 27, 99[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0132,958 Determination of physical qualities of lubricantAbandonedDec 17, 03Jun 23, 05[B05C, G01J, G03D]
6678043 Methods and apparatus for surface analysisExpiredOct 31, 00Jan 13, 04[G01N]

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