KUREHA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5966
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 51103
 
  
 
C07D HETEROCYCLIC COMPOUNDS 29133
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 25100
 
  
 
E21B EARTH OR ROCK DRILLING 2571
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 23232
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM22135
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 2075
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 20105
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 18120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0051,153 HEAT-EXPANDABLE MICROSPHERESMar 30, 16Feb 22, 18[C08J, C08F, C08K]
2018/0022,868 ALIPHATIC POLYESTER COMPOSITION, MOLDED PRODUCT, AND MANUFACTURING METHOD OF ALIPHATIC POLYESTERMar 28, 16Jan 25, 18[C08J, C08G]
2017/0355,500 HEAT SHRINKABLE STRETCHED MULTILAYER FILM FOR SKIN PACKAGING, SKIN PACK PACKAGE USING SAME, AND METHOD FOR PRODUCING HEAT SHRINKABLE STRETCHED MULTILAYER FILM FOR SKIN PACKAGINGOct 27, 15Dec 14, 17[B65D, B32B]
2017/0284,167 DOWNHOLE TOOL CONTAINING DOWNHOLE-TOOL MEMBER CONTAINING REACTIVE METAL AND DOWNHOLE-TOOL MEMBER CONTAINING DEGRADABLE RESIN COMPOSITION, AND WELL-DRILLING METHODSep 15, 15Oct 05, 17[C09K, E21B, B32B, C08K]
2017/0288,189 AQUEOUS LATEX, SEPARATOR/INTERMEDIATE LAYER LAMINATE, AND STRUCTURE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIESJul 22, 15Oct 05, 17[H01M]
2017/0260,125 ORGANIC-INORGANIC HYBRID COMPOUND, AMINE HYDROGEN IODIDE SALT, COMPOSITION FOR PHOTOELECTRIC CONVERSION ELEMENT, AND PHOTOELECTRIC CONVERSION ELEMENTAug 26, 15Sep 14, 17[H01L, C07C, H01G]
2017/0252,370 ADSORBENT FOR ORAL ADMINISTRATION, AGENT FOR TREATING RENAL DISEASE, AND AGENT FOR TREATING LIVER DISEASEAug 27, 15Sep 07, 17[A61K]
2017/0237,070 PRODUCTION METHOD FOR CARBONACEOUS MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY ANODE, AND CARBONACEOUS MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY ANODEAug 10, 15Aug 17, 17[H01M]
2017/0218,720 PLUG FOR WELL DRILLING PROVIDED WITH RING-SHAPED RATCHET STRUCTUREApr 18, 17Aug 03, 17[E21B]
2017/0158,942 PLUG FOR WELL DRILLING PROVIDED WITH DIAMETRICALLY EXPANDABLE ANNULAR RUBBER MEMBER FORMED FROM DEGRADABLE RUBBER MATERIALDec 22, 14Jun 08, 17[C09K, E21B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914871 Ball sealer for hydrocarbon resource recovery, method for manufacturing same, and method for treating borehole using sameDec 15, 14Mar 13, 18[C09K, C08J, B29C, B29B, B29K, B29L, E21B]
9908974 Polyarylene sulfide production method and polyarylene sulfide production apparatusApr 21, 15Mar 06, 18[C08G, B08B, B01D]
9902897 Degradable fiber for use in well treatment fluid, method for manufacturing same, and well treatment methodMay 30, 14Feb 27, 18[C09K, D01D, C08G, D01F, E21B, C08L]
9896548 Method of producing polyarylene sulfideMar 27, 15Feb 20, 18[C08G]
9890222 Polyarylene sulfide production device provided with baffle and baffle supportSep 18, 15Feb 13, 18[C08G, C08F, B01J]
9877987 Orally administered adsorbent, therapeutic agent for renal disease, and therapeutic agent for liver diseaseFeb 24, 14Jan 30, 18[A61K, B01J]
9879500 Well treatment method by disintegrating elastic material by contacting seal member for downhole tools comprising elastic material with well treatment fluidMar 04, 15Jan 30, 18[C09K, E21B, F16J]
9868231 Polyglycolic acid molded article, component for downhole tool, and method of producing polyglycolic acid molded articleMar 24, 16Jan 16, 18[C08G, B29C, B29K]
9850394 Resin composition, filler-containing resin film for non-aqueous electrolyte secondary battery, and method for producing filler-containing resin film for non-aqueous electrolyte secondary batteryJun 24, 13Dec 26, 17[H01M, C09D, C08K]
9814236 Agricultural or horticultural chemical, method of controlling plant diseases, and product for controlling plant diseasesOct 08, 14Nov 14, 17[A61K, A01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0306,144 POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLING, AND DOWNHOLE TOOL MEMBERAbandonedNov 12, 15Oct 26, 17[C08G, C08L, E21B, B22C]
2017/0143,763 ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASEAbandonedFeb 07, 17May 25, 17[A61K, B01J]
2016/0298,407 PLUG FOR WELL DRILLING PROVIDED WITH RING-SHAPED RATCHET STRUCTUREAbandonedOct 20, 14Oct 13, 16[C09K, E21B]
2016/0236,112 METHOD FOR PRODUCING GLYCOLIDE, WHICH IS PROVIDED WITH RECTIFICATION STEP BY MEANS OF GAS-LIQUID COUNTERCURRENT CONTACT, AND METHOD FOR PURIFYING CRUDE GLYCOLIDEAbandonedApr 22, 16Aug 18, 16[C07D, B01D]
2016/0237,216 BRANCHED POLYARYLENE SULFIDE RESIN, METHOD FOR MANUFACTURING SAME AND USE AS POLYMER MODIFIERAbandonedSep 26, 14Aug 18, 16[C08G]
2016/0168,450 ACID CURING AGENT INCLUSION AND METHOD FOR PRODUCING ACID CURING AGENT INCLUSIONAbandonedJul 23, 14Jun 16, 16[C09K, C08J, C08K]
2016/0122,328 METHOD FOR PRODUCING AZOLE DERIVATIVEAbandonedMay 26, 14May 05, 16[C07D]
2016/0000,827 ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASEAbandonedFeb 24, 14Jan 07, 16[A61K, B01J]
2015/0374,743 ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASEAbandonedFeb 24, 14Dec 31, 15[A61K]
2015/0361,326 WELL TREATMENT FLUID MATERIAL AND WELL TREATMENT FLUID COMPRISING THE SAMEAbandonedJan 14, 14Dec 17, 15[C09K]
2015/0355,171 INDOXYL SULFATE MEASUREMENT METHODAbandonedFeb 17, 14Dec 10, 15[G01N, C07K]
2015/0352,150 ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASEAbandonedFeb 24, 14Dec 10, 15[A61K, B01J]
2015/0315,170 PRODUCTION METHOD OF CARBONYL COMPOUNDAbandonedOct 02, 13Nov 05, 15[C07D, C07C]
2015/0315,175 PRODUCTION METHOD FOR CYCLOPENTANONE DERIVATIVE, INTERMEDIATE COMPOUND, AND PRODUCTION METHOD FOR INTERMEDIATE COMPOUNDAbandonedSep 09, 13Nov 05, 15[C07D, C07C]
2015/0299,355 MOLDED ARTICLEAbandonedJun 24, 13Oct 22, 15[C08F, B32B]
2015/0284,879 WATER-DISINTEGRABLE COMPOSITE FIBER AND METHOD FOR PRODUCING THE SAMEAbandonedSep 12, 13Oct 08, 15[D01D, D01F]
2015/0263,347 CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, AND NEGATIVE ELECTRODE USING CARBON MATERIAL AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERYAbandonedAug 30, 13Sep 17, 15[C01B, H01M]
2015/0245,613 PLANT DISEASE CONTROLLING AGENT, PLANT DISEASE CONTROLLING METHOD, AND PLANT DISEASE CONTROLLING PRODUCTAbandonedSep 12, 13Sep 03, 15[A01N]
2015/0247,021 POLYGLYCOLIC ACID RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAMEAbandonedOct 09, 13Sep 03, 15[C08J, C08K]
2015/0225,545 RESIN COMPOSITION AND APPLICATION THEREOFAbandonedAug 12, 13Aug 13, 15[C08K, B32B]

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