FDK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 9372
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 2262
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2199
 
  
 
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 1092
 
  
 
C22C ALLOYS 468
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 462
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 4152
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 374

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0062,217 POWER STORAGE SYSTEMJan 05, 16Mar 01, 18[H02J, H01M]
2018/0040,410 ISOLATED SWITCHING POWER SUPPLYFeb 25, 16Feb 08, 18[H02M, H01F]
2018/0013,174 ALKALINE BATTERYJan 23, 15Jan 11, 18[H01M]
2017/0237,065 POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIALFeb 06, 17Aug 17, 17[H01M]
2017/0237,066 POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIALFeb 15, 17Aug 17, 17[H01M]
2017/0207,466 LAMINATE-TYPE POWER STORAGE ELEMENTJan 20, 17Jul 20, 17[H01M]
2017/0125,804 NICKEL HYDRODGEN SECONDARY BATTERYMar 04, 15May 04, 17[H01M, C22C]
2017/0110,764 NICKEL HYDROGEN SECONDARY BATTERYJun 23, 15Apr 20, 17[H01M]
2016/0307,684 WINDING COMPONENTJan 21, 15Oct 20, 16[H01F]
2016/0285,057 SEALING MEMBER OF TUBE-SHAPED BATTERY AND TUBE-SHAPED BATTERYMar 24, 16Sep 29, 16[H01M, F16J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9923178 Sealing member of tube-shaped battery and tube-shaped batteryMar 24, 16Mar 20, 18[H01M, F16J]
9906052 Power supply deviceApr 11, 14Feb 27, 18[H02J]
9819017 Sealed battery and battery jacket canAug 05, 15Nov 14, 17[H01M]
9748610 Spirally-wound lithium batteryDec 23, 15Aug 29, 17[H01M]
9728764 Alkaline storage batteryAug 07, 13Aug 08, 17[H01M]
9711788 Primary lithium batterySep 25, 14Jul 18, 17[H01M]
9672972 Winding componentJan 16, 14Jun 06, 17[H01F]
9653203 Multilayer inductorMay 16, 14May 16, 17[H01F]
9640307 TransformerOct 29, 13May 02, 17[H01F]
9590168 Alkali niobate-based piezoelectric material and a method for making the sameFeb 14, 12Mar 07, 17[H01L, C04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0276,093 MULTILAYER INDUCTORAbandonedFeb 20, 14Sep 22, 16[H01F]
2016/0111,206 TRANSFORMERAbandonedApr 07, 14Apr 21, 16[H01F]
2016/0055,960 POWER SUPPLY TRANSFORMERAbandonedMar 20, 14Feb 25, 16[H01F]
2015/0302,981 TRANSFORMERAbandonedDec 25, 12Oct 22, 15[H01F]
2015/0055,374 SWITCHING POWER SUPPLY APPARATUS CORRESPONDING TO ZERO VOLTAGE SWITCHING SYSTEMAbandonedDec 04, 13Feb 26, 15[H02M]
2013/0323,578 ALKALINE RECHARGEABLE BATTERYAbandonedMay 29, 13Dec 05, 13[H01M]
2013/0202,917 PTC Device and Secondary Battery Equipped with SameAbandonedMay 06, 11Aug 08, 13[H01M, H01C]
2013/0176,097 INSULATING TRANSFORMERAbandonedJun 17, 11Jul 11, 13[H01F]
2013/0043,969 CHOKE COILAbandonedJun 13, 12Feb 21, 13[H01F]
8203413 Winding componentExpiredJan 24, 07Jun 19, 12[H01F]
2012/0052,344 BatteryAbandonedAug 25, 11Mar 01, 12[H01M]
2011/0031,902 INVERTER DEVICEAbandonedApr 15, 09Feb 10, 11[H05B]
2009/0239,144 NICKEL-METAL HYDRIDE RECHARGEABLE CELLAbandonedOct 23, 06Sep 24, 09[H01M]
7551343 Magneto-optical device and manufacturing method thereofExpiredFeb 24, 06Jun 23, 09[G02F]
2009/0155,690 NICKEL-METAL HYDRIDE RECHARGEABLE CELLAbandonedOct 23, 06Jun 18, 09[H01M]
7514178 Hydrogen-absorbing alloy for alkaline storage battery, method of manufacturing the same, and alkaline storage batteryExpiredJan 25, 05Apr 07, 09[H01M, C22C]
7510806 Lithium secondary battery including a lithium bis(trifluoromethylsulfonyl)imide electrolyte and a glass fiber separatorExpiredMay 10, 04Mar 31, 09[H01M]
7345567 Inverter transformerExpiredJun 01, 07Mar 18, 08[H01F]
2007/0207,382 Positive plate for alkaline secondary batteries and alkaline secondary batteryAbandonedSep 27, 06Sep 06, 07[H01M]
7248460 Electric double layer capacitor and electrolytic cellExpiredMay 27, 04Jul 24, 07[H01G]

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