UNIPHASE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
H01S DEVICES USING STIMULATED EMISSION191

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6154472 High efficiency decoupled tuning configuration intracavity doubled laser and methodSep 09, 98Nov 28, 00[H01S]
6104835 Automatic knowledge database generation for classifying objects and systems thereforNov 14, 97Aug 15, 00[G06K]
6069690 Integrated laser imaging and spectral analysis systemNov 13, 98May 30, 00[G01J, G01N]
5912735 Laser/white light viewing laser imaging systemJul 29, 97Jun 15, 99[G01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6049427 Optical device arrangements utilizing simultaneous orthogonal walkoff elementsExpiredFeb 19, 99Apr 11, 00[G02B]
4914290 Method and apparatus for measuring of microdistancesExpiredApr 06, 88Apr 03, 90[G01B]
4910654 Current limiting scheme for the AC input circuit to a switch mode power supplyExpiredJan 10, 89Mar 20, 90[H02H]
4750182 Gas lasersExpiredJun 05, 86Jun 07, 88[H01S]
4352185 Gas laser having improved stability against environmental conditionsExpiredJul 18, 80Sep 28, 82[H01S]

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