CANON KASEI KABUSHIKI KAISHA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 279
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6117919 Anti-fogging article and composition for forming anti-fogging coating filmJul 21, 98Sep 12, 00[C08J, C08G]
5802442 Intermediate transfer member, electrophotography apparatus using the same, and method for manufacturing the sameOct 16, 96Sep 01, 98[G03G]
5625858 Contact charging member, process for producing same and electrophotographic apparatus using sameJan 16, 96Apr 29, 97[G03G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0348,704 ANALYZING APPARATUS FOR LABORATORY TESTAbandonedNov 29, 12Nov 27, 14[G01N]
2014/0029,972 ELECTROPHOTOGRAPHIC MAGNETIC SEALING MEMBER AND ELECTROPHOTOGRAPHIC CARTRIDGEAbandonedJul 30, 13Jan 30, 14[G03G]
2011/0194,880 TRANSFER ROLLERAbandonedJan 24, 11Aug 11, 11[G03G]
2009/0290,921 CLEANING BLADE FOR ELECTROPHOTOGRAPHIC APPARATUSAbandonedMay 08, 09Nov 26, 09[G03G]
2009/0162,109 CONDUCTIVE RUBBER ROLLER AND TRANSFER ROLLERAbandonedDec 02, 08Jun 25, 09[G03G]
2008/0213,421 Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereofAbandonedMay 07, 08Sep 04, 08[B28B, G03G]
2007/0147,905 DEVELOPER LEVEL CONTROL BLADE, PROCESS FOR ITS MANUFACTURE, AND DEVELOPING ASSEMBLYAbandonedMar 06, 07Jun 28, 07[G03G]
2006/0216,526 Cleaning blade and electrophotographic apparatusAbandonedMay 19, 06Sep 28, 06[G03G, B32B]
2006/0202,376 Processes for manufacturing blade member of developer quantity control blade and manufacturing the bladeAbandonedMay 11, 06Sep 14, 06[B29C]
2005/0260,014 Developer level control blade, process for its manufacture, and developing assemblyAbandonedMay 19, 05Nov 24, 05[G03G]
2004/0170,841 Process for producing cleaning blade, and electrophotographic apparatusAbandonedFeb 27, 04Sep 02, 04[B32B]
6771920 Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging rollerExpiredFeb 20, 03Aug 03, 04[G03G]
6765077 Negative-chargeability control resinExpiredMar 10, 03Jul 20, 04[C08F]
2003/0201,570 Injection molding method, injection mold, resin-molded article, and insert resin componentAbandonedApr 04, 03Oct 30, 03[B29C]
2003/0194,250 Developing assembly, developer quantity control blade and process for manufacturing developer quantity control bladeAbandonedApr 08, 03Oct 16, 03[G03G]
2003/0091,768 Composite molded product and molding method for the sameAbandonedNov 04, 02May 15, 03[B32B]

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