KASHIYAMA INDUSTRIES, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 344
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8985974 Concentric multi-stage vane compressorJan 28, 11Mar 24, 15[F04C]
7491041 Multistage roots-type vacuum pumpAug 24, 06Feb 17, 09[F04C, F03C]
7185813 Portable device comprising a communication station configuration and a data carrier configurationFeb 19, 03Mar 06, 07[G06K]
5549463 Composite dry vacuum pump having roots and screw rotorsMar 03, 95Aug 27, 96[F04C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0041,861 Screw rotor and vacuum pumpAbandonedAug 22, 06Feb 22, 07[F04C, F03C, F01C]
5443644 Gas exhaust system and pump cleaning system for a semiconductor manufacturing apparatusExpiredMar 15, 94Aug 22, 95[C23C, B08B, F01C]

Top Inventors for This Owner

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