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 1520 5
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 474 2
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 436 105
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 395 3
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 184 5
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 175 32
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 141 47
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 114 63
 
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 107 32
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 101 13
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0031,853 LENS DRIVE DEVICE Jul 25, 17 Feb 01, 18 [G03B, G02B]
2018/0031,855 LENS DRIVE DEVICE Jul 25, 17 Feb 01, 18 [G03B, G02B, H02N]
2018/0031,856 LENS DRIVE DEVICE Jul 25, 17 Feb 01, 18 [G03B, G02B, H02N]
2018/0031,857 LENS DRIVE DEVICE Jul 25, 17 Feb 01, 18 [G03B, G02B, H02N]
2018/0033,738 ELECTRONIC CIRCUIT PACKAGE Jul 05, 17 Feb 01, 18 [H01L]
2018/0033,953 SPIN CURRENT MAGNETIZATION REVERSAL ELEMENT, ELEMENT ASSEMBLY, AND METHOD FOR PRODUCING SPIN CURRENT MAGNETIZATION REVERSAL ELEMENT Jul 05, 17 Feb 01, 18 [H01L]
2018/0034,431 Integrated Circuit Arrangement for a Microphone, Microphone System and Method for Adjusting One or More Circuit Parameters of the Microphone System Feb 27, 15 Feb 01, 18 [H03G, H03F, H04R]
2018/0022,386 ANGLE SENSOR AND ANGLE SENSOR SYSTEM Jul 14, 17 Jan 25, 18 [G01D, G01B, B62D, G01L]
2018/0024,388 TRANSPARENT CONDUCTOR AND TOUCH PANEL Mar 25, 16 Jan 25, 18 [G02F, B32B, G06F]
2018/0025,820 R-T-B BASED SINTERED MAGNET Jul 21, 17 Jan 25, 18 [H01F, B22F, C22C]
2018/0025,821 HIGH PERMEABILITY MAGNETIC SHEET Jul 24, 17 Jan 25, 18 [H01F, B22F, B29C, C22C]
2018/0025,822 SOFT MAGNETIC METAL DUST CORE AND REACTOR HAVING THEREOF Jul 21, 17 Jan 25, 18 [H01F, B22F]
2018/0026,181 MAGNETORESISTANCE EFFECT ELEMENT Mar 29, 16 Jan 25, 18 [G01R, G11C, H01L]
2018/0027,660 ELECTRONIC COMPONENT EMBEDDED SUBSTRATE Jul 19, 17 Jan 25, 18 [H01L, H05K]
2018/0016,134 MODULE COMPRISING A MEMS COMPONENT MOUNTED WITHOUT SUBJECTING SAME TO STRESS Nov 06, 15 Jan 18, 18 [H04R, B81B]
2018/0017,634 Sensor Unit Jul 05, 17 Jan 18, 18 [G01R]
2018/0019,042 COMPOSITE MAGNETIC SEALING MATERIAL Sep 27, 17 Jan 18, 18 [H01F, H01L]
2018/0019,043 SOFT MAGNETIC METAL POWDER AND DUST CORE Jul 07, 17 Jan 18, 18 [H01F, B22F, C22C]
2018/0011,281 LENS DRIVE UNIT Jul 03, 17 Jan 11, 18 [G02B, H02N]
2018/0011,282 LENS DRIVE UNIT Jul 05, 17 Jan 11, 18 [G02B, H02N]
2018/0012,699 COIL DEVICE Jun 09, 17 Jan 11, 18 [H01F]
2018/0013,056 PIEZOELECTRIC ELEMENT Jul 03, 17 Jan 11, 18 [H01L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9881721 Soft magnetic metal powder and soft magnetic metal powder core using the same May 14, 15 Jan 30, 18 [H01F, B22F, C22C]
9881742 Electronic component Apr 29, 16 Jan 30, 18 [H01C, H01G]
9881877 Electronic circuit package using composite magnetic sealing material Nov 16, 16 Jan 30, 18 [B29L, B29C, H01L]
9875844 Winding component Jan 17, 17 Jan 23, 18 [H01F]
9870866 Multilayer electronic component Sep 14, 16 Jan 16, 18 [H01G]
9871500 Multilayer electronic component Mar 28, 16 Jan 16, 18 [H03H, H01P]
9861344 Ovulation day estimation apparatus, ovulation day estimation method and storage medium in which ovulation day estimation program is recorded Sep 11, 14 Jan 09, 18 [A61B]
9862646 Dielectric composition and electronic component Sep 28, 16 Jan 09, 18 [C04B, H01G, C01G, C01F, H01L]
9865386 Coil component and circuit board having the same Dec 30, 16 Jan 09, 18 [H01F]
9865397 Multilayer electronic component Sep 14, 16 Jan 09, 18 [H01G]
9866058 Power feeding device, power receiving device, and wireless power transmission device Mar 04, 14 Jan 09, 18 [H01F, H02J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0226,018 SEMICONDUCTOR CERAMIC COMPOSITION AND PTC THERMISTOR ABAN Feb 01, 17 Aug 10, 17 [H01C, C04B]
2016/0240,761 THERMOELECTRIC DEVICE ABAN Feb 08, 16 Aug 18, 16 [H01L]
2016/0164,178 ANTENNA DEVICE AND PORTABLE ELECTRONIC DEVICE USING THE SAME ABAN Dec 04, 15 Jun 09, 16 [H01Q]
9224706 Terminal structure, and semiconductor element and module substrate comprising the same Withdrawn Aug 06, 13 Dec 29, 15 [H01L]
2015/0370,125 LIQUID CRYSTAL LENS ABAN Jun 04, 15 Dec 24, 15 [G02F]
2015/0371,766 COIL COMPONENT AND METHOD OF PRODUCING THE SAME ABAN Jun 19, 15 Dec 24, 15 [H01F]
2015/0333,330 LITHIUM ION SECONDARY BATTERY ABAN May 08, 15 Nov 19, 15 [H01M]
2015/0333,362 LITHIUM ION SECONDARY BATTERY ABAN May 08, 15 Nov 19, 15 [H01M]
2015/0303,573 ANTENNA DEVICE ABAN Apr 27, 15 Oct 22, 15 [H01Q]
2015/0249,205 MAGNETIC ELEMENT, AND MAGNETIC HIGH FREQUENCY ELEMENT HAVING THE MAGNETIC ELEMENT ABAN Feb 24, 15 Sep 03, 15 [H01L]
2015/0200,055 LAMINATE-TYPE CERAMIC ELECTRONIC COMPONENTS ABAN Jan 08, 15 Jul 16, 15 [H01G]
2015/0194,328 LOAD PORT APPARATUS ABAN Dec 29, 14 Jul 09, 15 [H01L]
2015/0157,278 ELECTRONIC DEVICE, METHOD, AND STORAGE MEDIUM ABAN Dec 09, 14 Jun 11, 15 [G06T, A61B, G08C]
2015/0136,216 COMPOUND SEMICONDUCTOR SOLAR CELL ABAN Feb 19, 13 May 21, 15 [H01L]
2015/0109,063 MAGNETORESISTIVE EFFECT OSCILLATOR ABAN Oct 16, 14 Apr 23, 15 [H03B]
2015/0096,617 COMPOUND SEMICONDUCTOR SOLAR BATTERY ABAN Feb 28, 13 Apr 09, 15 [H01L]
2015/0061,393 VARIABLE VOLTAGE CIRCUIT ABAN Aug 28, 14 Mar 05, 15 [G05F]
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]
2015/0006,202 BIOLOGICAL DATA MANAGEMENT METHOD, BIOLOGICAL DATA MANAGEMENT SYSTEM, AND CENTER APPARATUS ABAN Feb 28, 14 Jan 01, 15 [G06F]

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