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 1559 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 382 110
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 377 2
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 340 3
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 174 26
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 155 5
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 131 41
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 112 10
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 94 74
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 85 68
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0207,082 GAS PURGE UNIT AND GAS PURGE APPARATUS Nov 19, 15 Jul 21, 16 [B08B]
2016/0211,509 NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE NEGATIVE ELECTRODE ACTIVE MATERIAL Sep 26, 14 Jul 21, 16 [H01M]
2016/0211,510 NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE NEGATIVE ELECTRODE ACTIVE MATERIAL Sep 26, 14 Jul 21, 16 [H01M]
2016/0201,213 PLATING DEVICE Dec 28, 15 Jul 14, 16 [C25D]
2016/0204,161 MAGNETIC SENSOR INCLUDING RESISTOR ARRAY INCLUDING A PLURALITY OF RESISTIVE ELEMENT SECTIONS EACH HAVING MAGNETORESISTANCE ELEMENT Dec 29, 15 Jul 14, 16 [H01L]
2016/0204,621 Power Feeding Device and Non-Contact Power Transmission Device Dec 21, 15 Jul 14, 16 [H02J]
2016/0196,904 R-T-B BASED SINTERED MAGNET AND MOTOR Aug 08, 14 Jul 07, 16 [H01F, C22C]
2016/0190,560 NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE NEGATIVE ELECTRODE ACTIVE MATERIAL Sep 26, 14 Jun 30, 16 [H01M]
2016/0178,445 THERMISTOR Nov 16, 15 Jun 23, 16 [G01K]
2016/0179,124 APPARATUS AND METHODS FOR TEMPERATURE COMPENSATION OF VARIABLE CAPACITORS Dec 15, 15 Jun 23, 16 [G05F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,395,510 Lens holding device for camera module Apr 11, 14 Jul 19, 16 [G03B, G02B]
9,396,852 R-T-B based permanent magnet Apr 25, 14 Jul 19, 16 [H01F]
9,396,877 High voltage capacitor Dec 13, 13 Jul 19, 16 [H01G]
9,389,286 Magnetic sensor with reduced effect of interlayer coupling magnetic field Feb 25, 14 Jul 12, 16 [G01R]
9,390,851 Coil Nov 26, 14 Jul 12, 16 [B60L, H01F, H02J]
9,391,354 Directional coupler Feb 13, 15 Jul 12, 16 [H01P]
9,391,371 Antenna device and wireless communication device using the same Jul 29, 14 Jul 12, 16 [H01Q]
9,381,595 Pb-free solder and electronic component built-in module Oct 27, 15 Jul 05, 16 [B23K, H05K, C22C]
9,382,163 Amorphous dielectric film and electronic component Jun 20, 14 Jul 05, 16 [C04B, H01L]
9,385,411 Directional coupler Jan 27, 15 Jul 05, 16 [H01P]
9,385,425 Antenna device May 17, 13 Jul 05, 16 [H01Q]
9,386,697 Wiring board, electronic component embedded substrate, method of manufacturing wiring board, and method of manufacturing electronic component embedded substrate Jun 12, 14 Jul 05, 16 [H05K]
9,379,306 Piezoelectric device and method for manufacturing same Apr 09, 14 Jun 28, 16 [H01L]
9,380,687 ESD protection device Sep 13, 12 Jun 28, 16 [H01T, H02H, H05F]

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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]
2015/0200,055 LAMINATE-TYPE CERAMIC ELECTRONIC COMPONENTS ABAN Jan 08, 15 Jul 16, 15 [H01G]
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]
2014/0370,290 IRON NITRIDE BASED MAGNETIC POWDER AND MAGNET USING THE SAME ABAN Jun 10, 14 Dec 18, 14 [H01F, C01B]
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]
2014/0020,738 SOLAR CELL, AND PROCESS FOR PRODUCING SOLAR CELL ABAN Mar 28, 12 Jan 23, 14 [H01L]
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]

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