DENKA COMPANY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 39323
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3284
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM27130
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2699
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR2471
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2181
 
  
 
C09J ADHESIVES; ADHESIVE PROCESSES IN GENERAL 2035
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 1454
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF871
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 8148

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0072,946 FLUOROPHORE, LIGHT-EMITTING DEVICE, AND METHOD FOR MANUFACTURING FLUOROPHOREJan 27, 16Mar 15, 18[C09K, H01L, G02B]
2018/0016,494 Process for Producing Fluorescent MaterialFeb 17, 16Jan 18, 18[C09K, C01D]
2017/0369,694 TRANSPARENT, HIGHLY HEAT RESISTANT RESIN COMPOSITIONJan 14, 16Dec 28, 17[C08F, C08L, C08K]
2017/0365,372 CONDUCTIVE POLYMER MATERIAL AND MOLDED ARTICLE USING SAMEAug 06, 15Dec 21, 17[H01B, D01F, C08L, C08K]
2017/0349,740 THERMOPLASTIC RESIN COMPOSITIONDec 18, 15Dec 07, 17[C08L]
2017/0311,586 AGENT FOR PRESERVING BIOLOGICAL COMPONENT, AND METHOD FOR RECOVERING BIOLOGICAL COMPONENTNov 10, 15Nov 02, 17[A01N]
2017/0292,014 CHLOROPRENE RUBBER COMPOSITION, VULCANIZED MOLDED ARTICLE, AND ANTI-VIBRATION RUBBEROct 28, 14Oct 12, 17[B29C, C09C, C08L, C08K]
2017/0288,218 CONDUCTIVE COMPOSITION FOR ELECTRODE, ELECTRODE USING SAME, AND LITHIUM ION SECONDARY BATTERYAug 06, 15Oct 05, 17[H01M]
2017/0267,927 SOIL EROSION INHIBITOROct 01, 15Sep 21, 17[C09K, E02D]
2017/0233,647 WAVELENGTH CONVERTER, LIGHT-EMITTING DEVICE USING SAME, AND PRODUCTION METHOD FOR WAVELENGTH CONVERTERApr 20, 17Aug 17, 17[C09K, C03C, H01L, C03B, C04B, G02B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9908311 Water-repellent, thermoplastic resin sheet, and molded articleJul 18, 13Mar 06, 18[C09K, F16L, C08F, B32B]
9893359 Cathode binder composition, cathode slurry, cathode, and lithium ion secondary batteryOct 06, 14Feb 13, 18[C08F, H01M]
9879158 Primer composition and adhesive tapeMay 30, 12Jan 30, 18[C09J, C09D]
9879168 Method for producing hexagonal boron nitride, and heat dissipation sheetJan 08, 15Jan 30, 18[C09K, C01B, C09D, C08K]
9873787 Copolymer for improving methacrylic resin heat resistanceJul 21, 16Jan 23, 18[C08J, C09J, C08F, G02B, C08L]
9872380 Ceramic circuit board and method for producing sameJul 29, 15Jan 16, 18[C09K, C04B, B23K, H05K]
9850131 Method for producing phosphorFeb 22, 13Dec 26, 17[C09K, C01B]
9844858 Flat-plate bonding jig and method of manufacturing flat-plate laminated bodyNov 18, 11Dec 19, 17[C03C, B25B, G02F, B32B]
9827553 Alumina-based fibrous mass, process for producing same, and useOct 31, 13Nov 28, 17[C04B, B01J, D04H]
9756886 Artificial hair fiber having shape memory and shape restoration function, artificial hair fiber having excellent flame resistance, and artificial hair fiber having low gloss appearanceOct 09, 14Sep 12, 17[A41G, C08L, D01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0376,383 SULFUR-MODIFIED POLYCHLOROPRENEAbandonedNov 25, 14Dec 29, 16[C08F, C08C]
9337012 Fluorine-containing resin film and solar cell moduleWithdrawnOct 29, 12May 10, 16[C08J, H01L, B32B]

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