Kouken Company, Limited

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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 2157
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 137
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 122
 
  
 
H01C RESISTORS127
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7884505 Dry-type high-voltage load system apparatus and method of preventing chain breaking and arc discharge for use therewithApr 16, 09Feb 08, 11[G01R]
7847439 Dry-type high-voltage load system apparatus and method of preventing chain breaking and arc discharge for use therewithApr 16, 09Dec 07, 10[B23K, H01C, H01H]
7712583 Method and apparatus for controlling automatic lifting and lowering type platformSep 22, 05May 11, 10[B60P, B66F, B66C]
7535126 Dry-type high-voltage load system device and method for preventing chain disconnection/arc discharge of the deviceApr 09, 04May 19, 09[G01R]
7218201 High pressure resistance body elementDec 18, 03May 15, 07[H01C]
6608392 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facilityJun 13, 01Aug 19, 03[H02P]
6546312 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facilityOct 18, 99Apr 08, 03[G06F]
6532398 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facilityJun 13, 01Mar 11, 03[G06F]
5580594 Method for cooking food with eddy-current generated heatJul 06, 95Dec 03, 96[H05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5746119 Method and utensil for cooking food with heatExpiredSep 09, 97May 05, 98[H05B]
4984623 Electrode water circulation and processing system and hooded radiator for water rheostatExpiredDec 12, 89Jan 15, 91[F28C]
4939500 Electrode water circulation and processing system and hooded radiator for water rheostatExpiredJun 21, 89Jul 03, 90[H01C]
4910457 Water resistance load systemExpiredJan 30, 89Mar 20, 90[G01R, H01C, G05F]
4853621 Water resistance load systemExpiredMay 18, 87Aug 01, 89[G01R, H01C, G05F]

Top Inventors for This Owner

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