HIGH YIELD TECHNOLOGY, A CORP. OF CA.

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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 1205
 
  
 
G06M COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR 113

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5247188 Concentrator funnel for vacuum line particle monitorsJan 23, 92Sep 21, 93[G01N]
5235625 Method for synchronizing particle counters to external eventsJan 27, 92Aug 10, 93[G06M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5212580 Low cost stage for raster scanning of semiconductor wafersExpiredFeb 12, 92May 18, 93[G02B]
5157678 Laser safe housing for a particle monitor in vacuum pump linesExpiredJul 03, 91Oct 20, 92[H01S]
5132548 High sensitivity, large detection area particle sensor for vacuum applicationsExpiredSep 14, 90Jul 21, 92[G01N]
5055698 Real-time particle sensor for disk drivesExpiredApr 03, 90Oct 08, 91[G01N]
4896048 Scattering-type particle detection device for use in high temperature process chambersExpiredMay 27, 88Jan 23, 90[G01N]
4825094 Real time particle fallout monitor with tubular structureExpiredFeb 04, 88Apr 25, 89[G01N]
4804853 Compact particle flux monitorExpiredApr 23, 87Feb 14, 89[G01H]
4783599 Particle detector for flowing liquids with the ability to distinguish bubbles via photodiodes disposed 180.degree. apartExpiredFeb 10, 87Nov 08, 88[G01N]
4739177 Light scattering particle detector for wafer processing equipmentExpiredSep 16, 86Apr 19, 88[G01N]

Top Inventors for This Owner

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