DENKI KAGAKU KOGYO KABUSHIKI KAISHA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM6296
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5570
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 4971
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 3963
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 3137
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 26336
 
  
 
C09J ADHESIVES; ADHESIVE PROCESSES IN GENERAL 2134
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1778
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 15113
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 14142

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0317,007 HEAT DISSIPATION COMPONENT AND METHOD FOR MANUFACTURING SAMEAug 05, 15Nov 02, 17[H01L, C22F]
2015/0200,319 MULTILAYER SHEET, BACKSHEET FOR SOLAR CELL AND SOLAR CELL MODULEJul 22, 13Jul 16, 15[H01L]
2014/0342,231 COMPOSITE PARTICLES, METHOD FOR PRODUCING SAME, ELECTRODE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERYNov 14, 12Nov 20, 14[H01M]
2014/0335,419 COMPOSITE PARTICLES, MANUFACTURING METHOD THEREOF, ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERYNov 14, 12Nov 13, 14[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9821535 Interlayer for laminated glass, and laminated glassOct 31, 13Nov 21, 17[B60J, B32B, C08K]
D770139 Emergency hoodJan 16, 15Nov 01, 16[0202]
9190189 Aluminum nitride substrate for circuit board and production method thereofMay 24, 11Nov 17, 15[H01L, C04B, H01B, B32B, H05K]
9163175 β-sialon and method of manufacturing thereof, and light-emitting deviceJul 28, 11Oct 20, 15[C09K, H01L, H05B]
9156961 Vulcanizate and process for producing sameNov 27, 12Oct 13, 15[B29C, C08K]
9138970 Thermally shrinkable laminated filmSep 28, 10Sep 22, 15[C08F, C08L, B32B]
9139769 Beta-sialon, method for producing same and light-emitting device using sameNov 04, 10Sep 22, 15[C09K, H01L, H05B]
9080019 Sulfur-modified chloroprene rubber, molded article, and method for producing sulfur-modified chloroprene rubberMay 16, 12Jul 14, 15[F16L, C08G, C08F, C08C, F16G]
9072791 Photostabilized pharmaceutical compositionsSep 30, 09Jul 07, 15[A61K, A01N]
9074031 Method for producing polyvinyl alcohol resinNov 12, 10Jul 07, 15[C08J, C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0352,747 BLADDER FOR TIRE VULCANIZATIONAbandonedJan 16, 14Dec 10, 15[C08J, B29C, C08K]
2015/0354,099 ALUMINA FIBER AND ALUMINA FIBER AGGREGATEAbandonedJan 23, 14Dec 10, 15[D01F]
2015/0203,610 COPOLYMER FOR IMPROVING METHACRYLIC RESIN HEAT RESISTANCEAbandonedJul 29, 13Jul 23, 15[C08F, C08L]
2015/0137,037 METHOD FOR TREATING SURFACE OF PHOSPHOR, PHOSPHOR, LIGHT-EMITTING DEVICE, AND ILLUMINATION DEVICEAbandonedJun 04, 13May 21, 15[C09K, B05D, C30B]
2014/0350,190 SULFUR MODIFIED CHLOROPRENE RUBBER AND METHOD FOR PRODUCING SAME, AND MOLDED BODYAbandonedDec 07, 12Nov 27, 14[C08L]
2014/0141,370 FINE SPHERICAL SILICA POWDER AND ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER EXTERNAL ADDITIVE USING THE FINE SPHERICAL SILICA POWDERAbandonedJan 28, 14May 22, 14[G03G]
2014/0109,924 ARTIFICIAL HAIR FIBER AND HAIRPIECE PRODUCTAbandonedMay 11, 12Apr 24, 14[A41G, D01F]
2014/0051,790 VINYLIDENE FLUORIDE-BASED RESIN FILM, SOLAR CELL BACK SHEET, AND SOLAR CELL MODULEAbandonedFeb 06, 12Feb 20, 14[H01L]
2014/0037,940 COVER FILMAbandonedMar 27, 12Feb 06, 14[B65D]
2013/0324,655 DISPERSANT FOR SUSPENSION POLYMERIZATION, VINYL CHLORIDE RESIN AND METHOD FOR PRODUCING SAMEAbandonedFeb 21, 11Dec 05, 13[C08F, C08K]
2013/0300,014 PROCESS FOR PRODUCTION OF beta-SIALONAbandonedApr 21, 11Nov 14, 13[C09K]
2013/0295,209 TIRE BLADDERAbandonedJan 17, 12Nov 07, 13[B29D]
2013/0248,755 HIGH DURABILITY THERMALLY CONDUCTIVE COMPOSITE AND LOW DE-OIOLING GREASEAbandonedMay 13, 13Sep 26, 13[C09K]
2013/0251,970 SURFACE CONDUCTIVE MULTILAYERED SHEETAbandonedOct 06, 11Sep 26, 13[B32B]
2013/0209,748 ELECTRONIC COMPONENT PACKAGING SHEET, AND FORMED ARTICLE THEREOFAbandonedOct 06, 11Aug 15, 13[C08L]
2013/0199,961 COVER FILMAbandonedApr 18, 11Aug 08, 13[B65D]
8497623 Phosphor-containing resin composition and sheet, and light emitting devices employing themExpiredJun 14, 06Jul 30, 13[C09K, H01L]
2013/0090,424 ACRYLIC RUBBER COMPOSITION, VULCANIZATE, HOSE PART, AND SEALING PARTAbandonedMar 31, 11Apr 11, 13[C08L]
2013/0084,137 SEALING MATERIAL, PROCESS FOR PRODUCING SEALING MATERIALS, AND INJECTING METHODAbandonedFeb 08, 11Apr 04, 13[E02D]
2013/0005,905 PRODUCTION METHOD AND PRODUCTION DEVICE FOR POLYVINYL ALCOHOLAbandonedDec 06, 10Jan 03, 13[C08F, B01J]

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