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 1563 5
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 383 2
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 383 108
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 346 3
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 175 24
 
 
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 130 41
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 113 10
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 94 72
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 86 69
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0229,738 GLASS CERAMIC COMPOSITION AND COIL ELECTRONIC COMPONENT Feb 04, 16 Aug 11, 16 [H01F, C03C]
2016/0232,928 LIGHT SOURCE UNIT, HEAT-ASSISTED MAGNETIC RECORDING HEAD USING THE SAME, AND LIGHT SOURCE FOR LIGHT SOURCE UNIT Mar 13, 15 Aug 11, 16 [G11B, G01J]
2016/0225,390 THERMALLY-ASSISTED MAGNETIC RECORDING HEAD Jan 29, 15 Aug 04, 16 [G11B]
2016/0225,501 R-T-B BASED SINTERED MAGNET Feb 04, 16 Aug 04, 16 [H01F]
2016/0225,502 R-T-B BASED SINTERED MAGNET Feb 04, 16 Aug 04, 16 [H01F]
2016/0225,503 SOFT MAGNETIC METAL POWDER-COMPACT MAGNETIC CORE AND REACTOR Jan 28, 16 Aug 04, 16 [H01F]
2016/0225,526 LAMINATED CERAMIC ELECTRONIC COMPONENT Jan 28, 16 Aug 04, 16 [H01G]
2016/0226,146 ANTENNA DEVICE Jan 13, 16 Aug 04, 16 [H01Q]
2016/0227,651 ELECTRONIC COMPONENT Jan 27, 16 Aug 04, 16 [H01G, H05K]
2016/0213,266 INFORMATION PROCESSING APPARATUS, METHOD AND STORAGE MEDIUM Sep 10, 15 Jul 28, 16 [A61B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,412,513 Wireless power transmission system Mar 29, 13 Aug 09, 16 [H01F, H02J]
9,412,995 Electrode and electrochemical device Mar 27, 08 Aug 09, 16 [H01M]
9,413,328 Diplexer including two bandpass filters Jul 08, 14 Aug 09, 16 [H03H, H01P]
9,406,420 Coil component and magnetic metal powder containing resin used therefor Sep 04, 13 Aug 02, 16 [G11B, H01F, B32B]
9,406,430 Reactor Jan 22, 15 Aug 02, 16 [H01F]
D762576 Common-mode filter Apr 11, 14 Aug 02, 16 [1302]
9,401,295 Load port apparatus and clamping device to be used for the same Jul 24, 12 Jul 26, 16 [H01L]
9,401,419 Spin transport device Apr 12, 12 Jul 26, 16 [H01L]
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]

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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]
2014/0211,515 DC-DC CONVERTER AND POWER SUPPLY DEVICE HAVING DC-DC CONVERTER ABAN Jan 23, 14 Jul 31, 14 [H02M]
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]

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