TDK CORPORATION

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1748 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 364 101
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 326 3
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 319 2
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 184 27
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 146 5
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 114 42
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 96 10
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 93 64
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 78 62
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0021,512 SOFT MAGNETIC POWDER CORE Feb 04, 13 Jan 22, 15 [H01F]
2015/0001,601 SPIN INJECTION ELECTRODE STRUCTURE AND SPIN TRANSPORT ELEMENT HAVING THE SAME Feb 12, 13 Jan 01, 15 [H01L]
2015/0001,953 WIRELESS POWER TRANSMISSION DEVICE Jun 17, 14 Jan 01, 15 [H01F]
2015/0001,954 WIRELESS POWER RECEIVING DEVICE AND WIRELESS POWER TRANSMISSION DEVICE Jun 23, 14 Jan 01, 15 [H04B]
2015/0001,956 WIRELESS POWER RECEIVING DEVICE, AND WIRELESS POWER TRANSMISSION DEVICE Jun 26, 14 Jan 01, 15 [H04B]
2014/0375,308 MAGNETIC MEASUREMENT DEVICE Dec 13, 12 Dec 25, 14 [G01R]
2014/0375,395 COUPLER, ELECTRONIC COMPONENT, AND MANUFACTURING METHOD FOR ELECTRONIC COMPONENT Feb 22, 13 Dec 25, 14 [H03G, H01P]
2014/0378,295 AMORPHOUS DIELECTRIC FILM AND ELECTRONIC COMPONENT Jun 20, 14 Dec 25, 14 [C04B]
2014/0368,963 ELECTRO STATIC DISCHARGE PROTECTION DEVICE Jan 22, 13 Dec 18, 14 [H05F]
2014/0370,290 IRON NITRIDE BASED MAGNETIC POWDER AND MAGNET USING THE SAME Jun 10, 14 Dec 18, 14 [H01F, C01B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,936,871 Active material and positive electrode and lithium-ion second battery using same Sep 28, 09 Jan 20, 15 [C01B, H01M]
8,932,762 Active material and positive electrode and lithium-ion second battery using same Aug 16, 13 Jan 13, 15 [C01B, H01M]
8,933,336 Coating and electronic component Nov 15, 12 Jan 13, 15 [H01B]
8,934,205 ESD protection device Sep 27, 11 Jan 13, 15 [H01C, H01T, H02H]
8,928,182 Wireless power feeder and wireless power transmission system Dec 16, 11 Jan 06, 15 [H01F]
8,929,089 Electronic circuit module component and method of manufacturing electronic circuit module component Mar 10, 11 Jan 06, 15 [H01L, H05K]
8,921,248 Dielectric ceramic composition and electronic device Feb 21, 13 Dec 30, 14 [C04B, H01G, C01G]
8,922,064 Wireless power feeder, wireless power receiver, and wireless power transmission system, and coil Aug 15, 11 Dec 30, 14 [H01F]
8,922,304 Laminated electronic devices with conical vias Oct 25, 11 Dec 30, 14 [H05K, H01P]
8,913,349 CPP-type magnetoresistance effect element and magnetic disk device using side shield layers Mar 29, 13 Dec 16, 14 [G11B, H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
8,692,414 Wireless power feeder and wireless power transmission system Apr 07, 11 Apr 08, 14 [H01F]
2013/0256,848 ELECTRONIC COMPONENT MODULE AND METHOD OF MANUFACTURING THE SAME Mar 28, 13 Oct 03, 13 [H01L]
2013/0128,410 METHOD OF MANUFACTURING THIN FILM CAPACITOR AND THIN FILM CAPACITOR Nov 13, 12 May 23, 13 [H01G]
2013/0099,834 RAMP SIGNAL GENERATION CIRCUIT AND RAMP SIGNAL ADJUSTMENT CIRCUIT Oct 18, 12 Apr 25, 13 [H03K]
2013/0070,364 THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF Sep 15, 11 Mar 21, 13 [G11B]
2013/0020,913 ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT Jul 11, 12 Jan 24, 13 [H01C, H01R, H01G, H01F, H01L]
2012/0313,743 LAMINATED ELECTRONIC COMPONENT EQUIPPED WITH INDUCTOR Sep 07, 11 Dec 13, 12 [H01F]
2012/0250,123 APPARATUS AND METHOD FOR EVALUATING HOLOGRAM IMAGE RECORDING MEDIUM Jan 30, 12 Oct 04, 12 [G03H]
2012/0250,189 MAGNETIC HEAD INCLUDING SIDE SHIELD LAYERS ON BOTH SIDES OF A MR ELEMENT Mar 29, 11 Oct 04, 12 [G11B]
2012/0250,216 SEMICONDUCTOR CERAMIC AND A MULTILAYER SEMICONDUCTOR CERAMIC CAPACITOR Mar 27, 12 Oct 04, 12 [H01B, H01G]
2012/0228,683 SPIN DEVICE, AND MAGNETIC SENSOR AND SPIN FET USING THE SAME Mar 09, 12 Sep 13, 12 [H01L]
2012/0230,174 OPTICAL RECORDING AND READING DEVICE AND OPTICAL RECORDING AND READING METHOD Mar 08, 12 Sep 13, 12 [G11B]
2012/0218,712 SPRING FIXTURE FOR ELECTRONIC COMPONENT AND HEAT SINK STRUCTURE Feb 27, 12 Aug 30, 12 [F16D, H05K]
2012/0162,854 MULTILAYER CERAMIC CAPACITOR Dec 27, 11 Jun 28, 12 [H01G]
2012/0086,993 PHOTOPOLYMER MEDIUM FOR COLOR HOLOGRAM IMAGE RECORDING AND COLOR HOLOGRAM IMAGE RECORDING METHOD Sep 06, 11 Apr 12, 12 [G03H]
2012/0075,768 DIELECTRIC CERAMIC COMPOSITION AND MANUFACTURING METHOD THEREOF, AND CERAMIC ELECTRONIC DEVICE Sep 29, 11 Mar 29, 12 [C04B, H01G]
2012/0067,999 TAPE REEL AND INFORMATION RECORDING MEDIUM Sep 19, 11 Mar 22, 12 [G11B, B65H]
2012/0069,615 BRIDGELESS POWER FACTOR CORRECTION CONVERTER Sep 07, 11 Mar 22, 12 [H02M]
2011/0317,328 CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME Jun 23, 11 Dec 29, 11 [H01C, H01G]
2011/0280,116 OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD May 11, 11 Nov 17, 11 [G11B]

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