The High Pressure Gas Safety Institute of Japan

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8250932 Gas meter and gas security systemFeb 24, 09Aug 28, 12[G01F]
6625549 Equipment specifying systemAug 01, 01Sep 23, 03[G01F]
5866802 Piping leakage detecting apparatusJul 30, 97Feb 02, 99[G01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0077,874 APPLIANCE MONITORING APPARATUSAbandonedFeb 27, 09Mar 31, 11[G06F]
2011/0066,387 APPLIANCE MONITORING APPARATUSAbandonedFeb 27, 09Mar 17, 11[G06F]
4928728 Gas shutoff apparatusExpiredFeb 09, 89May 29, 90[G05D]
4881948 Gas shutoff apparatusExpiredMar 16, 89Nov 21, 89[F23K, G05D]

Top Inventors for This Owner

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