TDK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1579 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 383 107
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 371 2
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 338 3
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 174 29
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 157 5
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 128 43
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 106 11
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 94 68
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 85 65
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0141,486 PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC DEVICE Mar 07, 14 May 19, 16 [H01L]
2016/0141,626 NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY USING THE SAME Jun 11, 14 May 19, 16 [H01M]
2016/0133,276 PERPENDICULAR MAGNETIC RECORDING HEAD Nov 12, 14 May 12, 16 [G11B]
2016/0133,377 COIL COMPONENT AND MANUFACTURING METHOD THEREOF May 22, 15 May 12, 16 [H01F]
2016/0133,825 PIEZOELECTRIC LAYER, PIEZOELECTRIC COMPONENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR, HARD-DISK DRIVE AND INK JET PRINTER Nov 06, 15 May 12, 16 [C01G, H01L]
2016/0121,434 Pb-FREE SOLDER AND ELECTRONIC COMPONENT BUILT-IN MODULE Oct 27, 15 May 05, 16 [B23K, H05K, C22C]
2016/0128,196 ELECTRONIC CIRCUIT MODULE COMPONENT Oct 27, 15 May 05, 16 [B23K, H05K, C22C]
2016/0115,084 DIELECTRIC COMPOSITION AND ELECTRONIC COMPONENT Oct 13, 15 Apr 28, 16 [H01B, C04B]
2016/0118,192 Electronic Component Oct 21, 15 Apr 28, 16 [H01G, H05K]
2016/0118,193 ELECTRONIC COMPONENT Jan 07, 16 Apr 28, 16 [H01G]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,345,176 Power supply device having heat conductive member Jul 18, 13 May 17, 16 [H05K, H02M]
9,335,359 Far electromagnetic field estimation method and apparatus, and near electromagnetic field measurement apparatus Aug 08, 14 May 10, 16 [G01R]
9,336,933 Ferrite magnetic material Aug 11, 14 May 10, 16 [C04B, C01G, H01F]
9,337,410 Multilayer piezoelectric element Jun 24, 13 May 10, 16 [H01L]
9,330,838 Coil unit Nov 26, 14 May 03, 16 [H01F]
9,331,262 Thin film piezoelectric element, thin film piezoelectric actuator, thin film piezoelectric sensor, hard drive disk, and inkjet printer device May 20, 13 May 03, 16 [C04B, G11B, G01C, B41J, H01L, G01L]
9,324,483 Chip thermistor and method of manufacturing same Oct 15, 14 Apr 26, 16 [H01C]
9,324,490 Apparatus and methods for vector inductors May 27, 14 Apr 26, 16 [H01C, H03H, H01F, H01L]
9,324,595 Load port apparatus and method of detecting object to be processed Sep 14, 12 Apr 26, 16 [H01L]
9,324,931 Piezoelectric device May 14, 13 Apr 26, 16 [C04B, H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9,224,706 Terminal structure, and semiconductor element and module substrate comprising the same Withdrawn Aug 06, 13 Dec 29, 15 [H01L]
2015/0027,538 COMPOUND SEMICONDUCTOR SOLAR BATTERY AND METHOD OF MANUFACTURING LIGHT ABSORPTION LAYER OF COMPOUND SEMICONDUCTOR SOLAR BATTERY ABAN Feb 28, 13 Jan 29, 15 [H01L]
2015/0001,601 SPIN INJECTION ELECTRODE STRUCTURE AND SPIN TRANSPORT ELEMENT HAVING THE SAME ABAN Feb 12, 13 Jan 01, 15 [H01L]
2014/0339,458 PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC DEVICE CONTAINING THE SAME ABAN May 14, 13 Nov 20, 14 [H01L]
2014/0233,361 THERMALLY-ASSISTED MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME ABAN Feb 21, 13 Aug 21, 14 [G11B]
2014/0203,901 REACTOR AND ELECTRICAL DEVICE ABAN Aug 27, 12 Jul 24, 14 [H01F]
8,692,414 Wireless power feeder and wireless power transmission system Withdrawn Apr 07, 11 Apr 08, 14 [H01F]
2014/0084,754 THIN FILM PIEZOELECTRIC DEVICE ABAN Sep 21, 12 Mar 27, 14 [H01L]
2014/0070,891 HIGH FREQUENCY AMPLIFIER ABAN Sep 20, 12 Mar 13, 14 [H03F]
2013/0336,018 CONVERTER ABAN Jun 11, 13 Dec 19, 13 [H02M]
2013/0316,490 SOLAR CELL AND SOLAR CELL PRODUCTION METHOD ABAN Dec 28, 11 Nov 28, 13 [H01L]
2013/0256,848 ELECTRONIC COMPONENT MODULE AND METHOD OF MANUFACTURING THE SAME ABAN Mar 28, 13 Oct 03, 13 [H01L]
2013/0242,430 MAGNETIC RECORDING MEDIUM, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING OR REPRODUCING APPARATUS ABAN Mar 08, 13 Sep 19, 13 [G11B]
2013/0208,401 ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT ABAN Feb 01, 13 Aug 15, 13 [H01G]
2013/0192,873 STRUCTURE BODY AND ELECTRONIC COMPONENT AND PRINTED WIRING BOARD INCLUDING THE SAME ABAN Nov 15, 12 Aug 01, 13 [H01B]
2013/0190,163 DIELECTRIC CERAMIC AND ELECTRONIC COMPONENT USING THE SAME ABAN Dec 14, 12 Jul 25, 13 [H01B]
2013/0168,599 PRECURSOR, PROCESS FOR PRODUCTION OF PRECURSOR, PROCESS FOR PRODUCTION OF ACTIVE MATERIAL, AND LITHIUM ION SECONDARY BATTERY ABAN Jul 19, 11 Jul 04, 13 [H01M]
2013/0169,267 CURRENT SENSOR ABAN Dec 20, 12 Jul 04, 13 [G01R]
2013/0128,387 SUSPENSION WITH HIGH CONDUCTIVITY GROUND LAYER ABAN Nov 22, 11 May 23, 13 [G11B]
2013/0128,410 METHOD OF MANUFACTURING THIN FILM CAPACITOR AND THIN FILM CAPACITOR ABAN Nov 13, 12 May 23, 13 [H01G]

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