TOKO, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 498
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H01Q AERIALS 1109
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6178315 FM radio receiverNov 19, 98Jan 23, 01[H04B]
5907482 Power supply control deviceNov 25, 96May 25, 99[H02M]
5812045 Inverter transformerDec 12, 96Sep 22, 98[H01F]
5740022 Power factor improving circuitAug 07, 96Apr 14, 98[H02J]
5548297 Double-Channel common antennaJul 22, 94Aug 20, 96[H01Q]
5502628 AC-DC converterApr 14, 94Mar 26, 96[H02M]
5489837 AC-DC converter having improved power factor to control feedback signal corresponding to output voltage of constant control circuitOct 12, 93Feb 06, 96[H02M, G05F]
5457622 AC-DC converterSep 28, 93Oct 10, 95[H02M]
5389871 Self-oscillation type DC-DC converterMar 18, 94Feb 14, 95[G05F]
5359313 Step-up transformerDec 01, 92Oct 25, 94[H01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0116,070 COIL COMPONENTAbandonedOct 31, 14Apr 30, 15[H01F]
2014/0285,301 SURFACE MOUNT INDUCTOR AND METHOD OF MANUFACTURING THE SAMEAbandonedMar 18, 14Sep 25, 14[H01F]
2014/0062,639 Surface-Mount InductorAbandonedSep 05, 13Mar 06, 14[H01F]
2014/0062,640 Surface-Mount InductorAbandonedSep 05, 13Mar 06, 14[H01F]
2013/0307,655 Surface Mount Inductor and Method for Producing Surface Mount InductorAbandonedJan 30, 12Nov 21, 13[H01F]
2013/0307,657 SURFACE MOUNT INDUCTORAbandonedMay 08, 13Nov 21, 13[H01F]
2013/0255,071 Method for Producing Surface-Mount InductorAbandonedApr 01, 13Oct 03, 13[H01F]
2013/0120,100 COIL COMPONENTAbandonedOct 25, 12May 16, 13[H01F]
2013/0033,348 Surface-Mount Inductor and Method of Producing the SameAbandonedAug 21, 12Feb 07, 13[B29C, H01F]
8063457 Semiconductor strain gauge and the manufacturing methodExpiredNov 12, 09Nov 22, 11[H01L]
2010/0155,648 Resin Composition, Electronic Component using the Same and Production Method ThereforAbandonedDec 17, 09Jun 24, 10[B05D, H01F]
7666699 Semiconductor strain gauge and the manufacturing methodExpiredMay 01, 07Feb 23, 10[H01L]
2009/0250,836 Production Method for Molded CoilAbandonedApr 03, 09Oct 08, 09[B29C]
2009/0128,437 AntennaAbandonedMay 26, 08May 21, 09[H01Q]
2009/0059,634 Switching power supplyAbandonedAug 21, 08Mar 05, 09[H02M]
2008/0252,409 Power transmission transformer for noncontact power transfer deviceAbandonedApr 10, 08Oct 16, 08[H01F]
7235899 Switching constant-current power supply systemExpiredMar 03, 04Jun 26, 07[H02J]
7114252 Large scale simultaneous circuit encapsulating apparatusExpiredJun 17, 04Oct 03, 06[H01K]
7067785 Solid-state image pickup device used as a photoelectric conversion device with improved dynamic rangeExpiredMay 15, 03Jun 27, 06[H01L]
7034607 Switching constant-current power deviceExpiredApr 23, 04Apr 25, 06[G05F]

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