KABUSHIKI KAISHA TOC

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5500581 High-efficiency power supply control apparatus for variable-speed induction motorMar 07, 94Mar 19, 96[H02P]
5481451 AC-to-AC power inverter apparatus functioning without smoothing capacitor, and control method thereofOct 29, 93Jan 02, 96[H02M, H02P]
5442271 Induction motor control apparatus providing high efficiency with rapid response to changes in load torqueJun 15, 94Aug 15, 95[H02P]
5241256 Method and apparatus for controlling the supply of power to an induction motor to maintain high efficiency under varying load conditionsJul 27, 92Aug 31, 93[H02P]
5204606 Induction motor control apparatusOct 15, 91Apr 20, 93[H02P]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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