JFE CHEMICAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF475
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 4150
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3117
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 113
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9735421 Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary batteryJun 13, 14Aug 15, 17[C01B, H01M]
9607729 Binder pitch and method for producing the sameOct 09, 14Mar 28, 17[C01C, H01B]
9379384 Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary batteryJun 13, 14Jun 28, 16[C01B, H01M]
9327978 Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary batteryJan 24, 13May 03, 16[C01B, H01M]
9315629 Benzoxazine-system composition, and thermosetting material and varnish thereofOct 21, 11Apr 19, 16[C08G, C09D]
8668839 Mn-Zn-co ferriteJan 29, 10Mar 11, 14[C04B, H01F, C01G]
8518289 Mn-Zn-Co ferrite core and method for producing the sameJan 29, 10Aug 27, 13[C04B]
8512589 Mn—Zn ferrite core and method for producing the sameJan 29, 10Aug 20, 13[C09B, H01F]
8404142 MnZn ferrite and a transformer magnetic coreJan 23, 09Mar 26, 13[C04B]
6977313 Production process of 2,7-dibromofluorenoneSep 23, 03Dec 20, 05[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0127,111 METHOD FOR PRODUCING LITHIUM IRON PHOSPHATEAbandonedFeb 27, 12May 08, 14[C01B]
2013/0211,040 POLYIMIDES AND POLYIMIDE FILMSAbandonedSep 05, 11Aug 15, 13[C08G]
2012/0292,560 METHOD FOR PRODUCING LITHIUM IRON PHOSPHATEAbandonedDec 24, 10Nov 22, 12[C01B, H01M]
2012/0088,109 LINEAR POLYIMIDE PRECURSOR, LINEAR POLYIMIDE AND HEAT-CURED PRODUCT THEREOF, AND METHOD FOR PRODUCING THEMAbandonedMay 26, 09Apr 12, 12[C09J, C08G, B32B]
2012/0032,119 METHOD FOR PRODUCING LITHIUM IRON PHOSPHATEAbandonedMar 10, 10Feb 09, 12[C01B, H01M, H01B]
2011/0148,006 FIBRE-PRODUCTION DEVICE AND FIBRE-PRODUCTION METHODAbandonedAug 07, 09Jun 23, 11[B29C]
2010/0147,564 ASYMMETRIC LINEAR POLYIMIDES AND THEIR POLYIMIDE PRECURSORS, AND THEIR MANUFACTURING METHODSAbandonedMay 08, 08Jun 17, 10[C08G, C07C, H05K, B32B]
2010/0056,824 METHOD FOR PREPARATION OF 1,2,3,4-BENZENETETRACARBOXYLIC ACIDAbandonedMar 25, 08Mar 04, 10[C07C]
2009/0267,508 BLUE-LIGHT-EMITTING ELEMENT COMPRISING POLYIMIDEAbandonedNov 22, 06Oct 29, 09[H01J, C08G]
2009/0048,462 Method for producing biphenyltetracarboxylic acidAbandonedApr 11, 06Feb 19, 09[C07C]
2008/0027,244 Method for Manufacturing Aromatic Dicarboxylic AcidAbandonedFeb 06, 06Jan 31, 08[C07C]
2007/0259,244 Sheet Produced by Paper Making Methods, Multilayered Sheet, and Separator for Fuel CellAbandonedDec 06, 05Nov 08, 07[H01M]
2007/0255,075 Aromatic Diamine And Method For Manufacturing SameAbandonedJan 30, 06Nov 01, 07[C07C, C07B]
7138484 Method for producing polymerized hydrocarbonExpiredSep 30, 04Nov 21, 06[C08G]
6865068 Carbonaceous material, its production process and electric double layer capacitor employing itExpiredApr 27, 00Mar 08, 05[C01B, B01J, H01G]
6827879 Activated carbon material, process for producing the same and electric double layer capacitor employing the sameExpiredDec 30, 02Dec 07, 04[H01B, H01G]
6818121 Production process of indeneExpiredJan 25, 01Nov 16, 04[C01G, B01D]
6803489 Purification process of fluorenylidenediallylphenolExpiredOct 15, 03Oct 12, 04[C07C]
6706131 Film lamination and removal system and methods of useExpiredSep 17, 02Mar 16, 04[B32B]
6547940 Biomimetic pathways for assembling inorganic thin films and oriented mesoscopic silicate patterns through guided growthExpiredMay 07, 01Apr 15, 03[B01D]

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