TOHO TENAX CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 431
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 225
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS227
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 229
 
  
 
D06M TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS 224

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0280,871 HEAT-CURABLE RESIN COMPOSITION, PREPREG, AND METHOD FOR PRODUCING FIBER-REINFORCED COMPOSITE USING EACH OF SAMENov 21, 14Sep 29, 16[C08J, B29C, C08L]
2015/0274,911 PREPREG AND METHOD FOR PRODUCING SAMESep 25, 13Oct 01, 15[C08J, B29B, B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9745671 Carbonization method and carbon fiber production methodJul 24, 14Aug 29, 17[C01B, D01F]
9181640 Carbon-fiber chopped strand and manufacturing method of the sameFeb 28, 11Nov 10, 15[B29C, B29B, D06M, B29K, D02G, C08L, C08K]
8916310 Conductive sheet and production method for sameAug 24, 11Dec 23, 14[H01M, H01B]
8236273 Method of producing pre-oxidation fiber and carbon fiberDec 10, 08Aug 07, 12[D01F]
8129017 Carbon fiber strand and process for producing the sameOct 31, 08Mar 06, 12[B32B]
8124228 Carbon fiber strand and process for producing the sameAug 27, 08Feb 28, 12[D02G]
8034442 Fiber-reinforced prepreg and composite material obtained from the sameJan 24, 08Oct 11, 11[D04H, B32B]
7638110 Carbon fiberJul 02, 08Dec 29, 09[D01F]
7585558 Carbon fiber-reinforced resin composite materialsJan 28, 04Sep 08, 09[D04H]
7335018 Flame resistant rendering heat treating device, and operation method for the deviceMar 20, 02Feb 26, 08[F27B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8211537 Resin composition, and prepregExpiredApr 11, 08Jul 03, 12[B29C, C08L, B32B]
8161607 Method for opening fabric, fabric, and composite materialExpiredAug 06, 08Apr 24, 12[D06C]
2011/0218,272 THERMOSETTING RESIN COMPOSITION AND PREPREG USING THE SAMEAbandonedNov 07, 09Sep 08, 11[C08L]
2011/0130,059 FIBER-REINFORCED PREPREG AND COMPOSITE MATERIAL OBTAINED THEREFROMAbandonedSep 08, 07Jun 02, 11[C08L, B32B]
2011/0111,663 EPOXY RESIN COMPOSITION AND PREPREG USING THE SAMEAbandonedJun 06, 09May 12, 11[C08G, B32B]
2011/0104,489 HOLLOW CARBON FIBRES AND PROCESS FOR THEIR PRODUCTIONAbandonedSep 17, 08May 05, 11[C01B, D02G]
2010/0266,827 CARBON FIBER AND COMPOSITE MATERIAL USING THE SAMEAbandonedApr 21, 09Oct 21, 10[B32B]
2010/0136,332 RUBBER-REINFORCING CARBON FIBER CORD AND METHOD FOR PRODUCING THE SAMEAbandonedMar 18, 08Jun 03, 10[D02G, B32B]
2009/0277,772 Process for Continous Production of Carbon FibresAbandonedMar 31, 07Nov 12, 09[B01J]
2009/0233,094 RADIATION-CURING RESIN COMPOSITION AND PREPREGAbandonedSep 06, 06Sep 17, 09[C08L, D02G]
2006/0249,877 Method of resin transfer moldingAbandonedFeb 26, 04Nov 09, 06[B29C]
2005/0271,874 Carbon fiber strandAbandonedFeb 04, 05Dec 08, 05[D02G]
6812171 Carbon fiber sheet and process for production thereofExpiredJul 24, 02Nov 02, 04[B32B]
6736856 Crosslinked acrylic moisture absorbing fibers and production methods thereofExpiredNov 01, 00May 18, 04[D06M]
6596408 Reinforcing material for wood and reinforced woodExpiredApr 12, 01Jul 22, 03[B32B]
6287677 Carbon fiber prepeg for wood reinforcement, wooden sheet laminated therewith, wood reinforcing composite comprising carbon fibers and the wooden sheet, and carbon fiber reinforced woodExpiredSep 14, 98Sep 11, 01[B32B]

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