NIPPON VALQUA INDUSTRIES, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS1436
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 6234
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 573
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 597
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING568
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 4112
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT446
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0002,153 FLUORINE RUBBER COMPOSITION, CROSSLINKED RUBBER MOLDED BODY AND METHOD FOR PRODUCING SAMENov 13, 14Jan 05, 17[C08J, C09J, C08L]
2016/0319,102 PERFLUOROELASTOMER COMPOSITION, SEALING MATERIAL, AND METHOD FOR PRODUCING SAMENov 13, 14Nov 03, 16[C08J, C08K, F16J]
2016/0308,231 COMPOSITE FILM FOR ELECTROCHEMICAL ELEMENTNov 19, 14Oct 20, 16[H01M]
2016/0075,838 Black Polytetrafluoroethylene Porous Film, Production Process for the Same, and Uses of the SameApr 24, 14Mar 17, 16[C08J, D01D, B01D, C08K]
2016/0005,550 Method for Producing Activated Carbon Sheet and Method for Improving Impregnation of Activated Carbon Sheet with Electrolyte SolutionFeb 19, 14Jan 07, 16[H01G]
2011/0303,361 Outside Air Shut-Off Container and Pressure-Reducible Processing ApparatusJun 06, 11Dec 15, 11[C23F, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9908980 Fluorine rubber composition, crosslinked rubber molded body and method for producing sameNov 13, 14Mar 06, 18[C08J, C09J, C08L]
9890498 Hydrophilic sheet and process for producing the sameJul 24, 13Feb 13, 18[D01D, D06M, D04H]
9892945 Composite sealSep 25, 13Feb 13, 18[H01L, F16J]
9859064 Method for producing activated carbon sheet and method for improving impregnation of activated carbon sheet with electrolyte solutionFeb 19, 14Jan 02, 18[H01B, H01G]
9688896 Thermally conductive resin composition and thermally conductive sheet including the sameSep 30, 14Jun 27, 17[C09K, C08G, C08K, H05K]
9611940 Gate valveNov 01, 12Apr 04, 17[F16K]
9587744 Sealing materialOct 07, 14Mar 07, 17[F16J]
9447881 Seal materialMar 02, 09Sep 20, 16[F16J]
9441107 Shaped product suppressed in bleeding and production process thereforAug 22, 13Sep 13, 16[C08J, C08G, C08L]
9321212 Filled fluororesin sheet, process for producing the same, and gasketMar 25, 10Apr 26, 16[B29C, B29K, C08L, C08K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0189,107 Valve deviceAbandonedFeb 04, 09Jul 30, 09[F16K]
2009/0093,590 Seal Material for Semiconductor Production ApparatusAbandonedFeb 07, 06Apr 09, 09[C08L]
2008/0173,560 Glass Substrate Storage Case, Glass Substrate Transfer Apparatus, Glass Substrate Management Apparatus, Glass Substrate Distribution Method , Sealing Member, And Sealing StructureAbandonedSep 09, 05Jul 24, 08[H01L, B07C, B65D]
2008/0153,986 Rubber Composition and Sealing Material for Plasma Treatment DeviceAbandonedDec 19, 05Jun 26, 08[C08L]
7011312 Gland packing and sealing apparatus comprising itExpiredSep 24, 02Mar 14, 06[E21B]
7004474 Seal for an endless trackExpiredJun 25, 03Feb 28, 06[F16J]
2006/0041,069 Sealing material for semiconductor device and method for production thereofAbandonedOct 09, 03Feb 23, 06[C08F]
6783129 Sealing deviceExpiredOct 23, 02Aug 31, 04[F16J]
6019621 Electrical connector for use in an automobile to prevent the sliding and winding noise caused by a cable reel of cableExpiredDec 10, 97Feb 01, 00[H01R]
5510176 Polytetrafluoroethylene porous filmExpiredAug 26, 94Apr 23, 96[B32B]
5469128 Circuit elements for microwave and millimeter-wave bands and method of producing sameExpiredSep 14, 94Nov 21, 95[H01P]
5358678 Polytetrafluoroethylene porous film and process for preparing the sameExpiredJul 06, 92Oct 25, 94[B27J]
5110526 Process for producing molded articles of polytetrafluoroethylene resinExpiredSep 21, 89May 05, 92[B29C]
5102861 Superconductive materials implanted with phosphorus ions and process for preparing the sameExpiredJun 07, 90Apr 07, 92[H01L, C01G, C01F]
4950530 Clutch facingExpiredJun 24, 88Aug 21, 90[B03D]

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