Tatsumi Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 5154
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H01C RESISTORS127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8878558 Load testing machineMar 27, 14Nov 04, 14[G01R]
8810200 Load systemDec 05, 13Aug 19, 14[H02J, G01N, G01R, B60L]
7298166 Loading deviceOct 28, 04Nov 20, 07[G01R]
6653928 Dry load test apparatusAug 02, 01Nov 25, 03[H01C]
6209528 Fuel supply system for automotive enginesJul 01, 98Apr 03, 01[F02B]
5381088 Change-over type of testing equipment for non-utility power generators or the likeOct 12, 93Jan 10, 95[G01R, G05F]
5281908 Loading device assemblyMar 10, 92Jan 25, 94[G01R, G05F]
5210445 Change-over type loading device assemblyAug 27, 92May 11, 93[H02J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0261,112 Self-lifting/lowering transport containerAbandonedMar 22, 06Oct 22, 09[B65D]
6078171 Dry type load resistor for testing generators or the likeExpiredAug 21, 98Jun 20, 00[G05B]
5250924 Power supply testing system for non-utility power generators and so onExpiredNov 05, 91Oct 05, 93[H01C]
5107209 Power supply testing system for non-utility power generatorsExpiredSep 04, 90Apr 21, 92[G01R, H01C, G05F]

Top Inventors for This Owner

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