Takuma Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
B01D SEPARATION 1133
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
F23C METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL 120
 
  
 
F23D BURNERS 131
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7485163 Nozzle and filter-type dust collectorMay 05, 05Feb 03, 09[B01D]
6841138 Method and device for temperature reduction of exhaust gas by making use of thermal waterJan 14, 04Jan 11, 05[B01F]
6523357 Absorption refrigeratorDec 04, 01Feb 25, 03[F25B]
6523811 Method and device for temperature reduction of exhaust gas by making use of thermal waterAug 16, 00Feb 25, 03[B01F]
6311908 Crushing method for waste containing materials unfit for crushing and apparatus for its practiceJan 14, 00Nov 06, 01[B02C]
6036475 Cyclonic type combustion apparatusAug 26, 98Mar 14, 00[F23C]
5531908 Germ-free liquid dispenserApr 14, 94Jul 02, 96[C02F]
5324492 Method of reducing nitrogen oxide content in gasJul 22, 92Jun 28, 94[C01B, C08F]
5307996 Atomizer for slurry fuelAug 05, 92May 03, 94[F23D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0137,215 Cogeneration systemAbandonedFeb 06, 04Jun 21, 07[F02C]
7211409 Standard compound for immunoassay for dioxin and method of immunoassay for dioxinExpiredAug 18, 03May 01, 07[G01N]
7166440 2,4,5-trichlorophenoxyalkyl carboxylic acid and a method for determining dioxins using the sameExpiredOct 17, 03Jan 23, 07[G01N]
6953517 Plant for the treatment of residueExpiredNov 22, 00Oct 11, 05[C10B]
6786335 Pyrolysis plant for refuse and method for screening solid residuesExpiredNov 22, 00Sep 07, 04[B07B]
6733735 Method and device for temperature reduction of exhaust gas by making use of thermal waterExpiredNov 22, 02May 11, 04[B01F]
6712343 Method and device for temperature reduction of exhaust gas by making use of thermal waterExpiredNov 22, 02Mar 30, 04[B01F]
6622869 Separating device for solids and method for separating solidsExpiredNov 22, 00Sep 23, 03[B07B]
6619939 Rotary pumpExpiredJan 09, 02Sep 16, 03[F03C]
6484882 Plant for the processing of residue from a thermal waste disposal plantExpiredNov 22, 00Nov 26, 02[F23G, B07B]
6460338 Absorption waste-heat recovery systemExpiredNov 26, 01Oct 08, 02[F01K]
6360895 Separating device for elongate solid piecesExpiredNov 22, 00Mar 26, 02[B07C]
5992019 Method of replacing heating tubes of a heating chamberExpiredFeb 17, 98Nov 30, 99[B23P]
5935387 Method and device for heating a low temperature carbonization drum and low temperature carbonization/combustion plant having the deviceExpiredAug 17, 94Aug 10, 99[C10B]
5876489 Germ-removing filter and apparatus for maintaining sterile room under sterile conditionExpiredMar 05, 96Mar 02, 99[B01D]
5856250 Ionic substance removing material for use in super-clean roomExpiredNov 27, 96Jan 05, 99[F26B]
5824122 Process and apparatus for purifying flammable gasExpiredMay 27, 97Oct 20, 98[C10K]
5769007 Bulk material heating chamber equipped with heating tubesExpiredAug 22, 95Jun 23, 98[A47J]
5746590 Heating chamber with inner heating tubes and method of replacing the heating tubesExpiredFeb 09, 96May 05, 98[F27B]
5716205 Rotatable heating chamber for solid materialExpiredMar 04, 96Feb 10, 98[F27B]

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