TOYOTOMI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23D BURNERS 428
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 417
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 225
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT232
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
F24B DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES 19
 
  
 
F24C OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION 132
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D634000 Air circulatorAug 09, 10Mar 08, 11[2304]
D634001 Air circulatorAug 09, 10Mar 08, 11[2304]
6598599 Hot air space heaterOct 30, 02Jul 29, 03[F24H, F24B]
6390807 Pot type oil burner with unnoticeable bad odorMar 01, 01May 21, 02[F23N]
D452730 Oil-fired space heaterOct 10, 00Jan 01, 02[]
D452731 Oil-fired space heaterOct 10, 00Jan 01, 02[]
6325060 Stack-equipped far infrared space heaterJul 25, 00Dec 04, 01[F24H]
6295937 Intake/exhaust type combustion equipmentDec 21, 00Oct 02, 01[F23N]
6185108 Equipment control panel with operation signal generating switchMar 30, 99Feb 06, 01[H05K]
6172666 Equipment operation panelDec 30, 97Jan 09, 01[G09G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0014,785 STRUCTURE OF CIRCULATION FANAbandonedJul 14, 10Jan 19, 12[F04D]
5843421 Hair tonicExpiredMar 26, 96Dec 01, 98[A61K]
D336816 Portable cooking and heating stoveExpiredDec 12, 90Jun 29, 93[]
5165883 Apparatus and method for safe operation of kerosene heatersExpiredJul 16, 91Nov 24, 92[F23N]
5033673 Hot water circulating systemExpiredApr 26, 90Jul 23, 91[F24D]

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