QC Optics, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 7199
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6603542 High sensitivity optical inspection system and method for detecting flaws on a diffractive surfaceOct 13, 00Aug 05, 03[G01N]
5814829 Multistation surface inspection systemJul 11, 95Sep 29, 98[G01N]
5717198 Pellicle reflectivity monitoring system having means for compensating for portions of light reflected by the pellicleJul 10, 95Feb 10, 98[G01N]
5672885 Surface displacement detection and adjustment systemJul 10, 95Sep 30, 97[G01N]
5625193 Optical inspection system and method for detecting flaws on a diffractive surfaceJul 10, 95Apr 29, 97[G01N]
5610719 Displacement detection systemJul 10, 95Mar 11, 97[G01B]
5602401 Data processing system and method for a surface inspection apparatusJul 10, 95Feb 11, 97[G01N]
5389794 Surface pit and mound detection and discrimination system and methodNov 25, 92Feb 14, 95[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5675409 Plate holder for a surface inspection systemExpiredJul 10, 95Oct 07, 97[G01N]
5572968 Internal-combustion engine having an oil return systemExpiredJul 10, 95Nov 12, 96[F16N, F01M]
4943734 Inspection apparatus and method for detecting flaws on a diffractive surfaceExpiredJun 30, 89Jul 24, 90[G01N]
4794264 Surface defect detection and confirmation system and methodExpiredMay 08, 87Dec 27, 88[G01N]
4794265 Surface pit detection system and methodExpiredMay 08, 87Dec 27, 88[G01N]
4772127 Surface inspection apparatusExpiredDec 18, 84Sep 20, 88[G01N]
4402607 Automatic detector for microscopic dust on large-area, optically unpolished surfacesExpiredMay 16, 80Sep 06, 83[G01N]

Top Inventors for This Owner

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