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 1549 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 432 104
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 412 2
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 359 3
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 179 24
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 171 5
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 138 41
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 120 12
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 103 69
 
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 96 31
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0067,930 ACCELERATION SENSOR Sep 06, 16 Mar 09, 17 [G01P]
2017/0059,362 MAGNETIC FIELD DETECTION APPARATUS AND ROTATION DETECTION APPARATUS Aug 11, 16 Mar 02, 17 [G01D]
2017/0062,811 STABILIZED LITHIUM POWDER, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE SAME Dec 07, 15 Mar 02, 17 [H01M]
2017/0063,163 COIL DEVICE AND WIRELESS POWER TRANSMISSION DEVICE Sep 01, 16 Mar 02, 17 [H02J]
2017/0063,224 CONTROL CIRCUIT AND SWITCHING POWER SUPPLY UNIT Mar 04, 16 Mar 02, 17 [H02M]
2017/0052,232 MAGNETIC SENSOR DEVICE Jun 29, 16 Feb 23, 17 [G01R]
2017/0052,424 OPTICAL WAVEGUIDE ELEMENT AND OPTICAL MODULATOR USING THE SAME Aug 15, 16 Feb 23, 17 [G02B, G02F]
2017/0053,726 COIL COMPONENT, ITS MANUFACTURING METHOD, AND CIRCUIT SUBSTRATE PROVIDED WITH THE COIL COMPONENT Jul 15, 16 Feb 23, 17 [H01F, H05K]
2017/0054,183 POROUS COORDINATION POLYMER, GAS DETECTING MATERIAL AND LITHIUM ION SECONDARY BATTERY HAVING THE SAME Aug 17, 16 Feb 23, 17 [C08J, C08G, H01M]
2017/0055,056 Microphone Assembly and Method of Manufacturing a Microphone Assembly May 12, 14 Feb 23, 17 [H03G, H03F, H04R]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9595399 Solid-state ion capacitor May 20, 14 Mar 14, 17 [C04B, H01G, B32B]
9595621 MOS capacitors flow type devices and methods of forming the same Mar 30, 16 Mar 14, 17 [H03H, H01L, G05F]
9595707 Lithium ion secondary battery Mar 18, 13 Mar 14, 17 [H01M]
9595916 Magnetoresistive effect oscillator Oct 16, 14 Mar 14, 17 [H03B]
9595942 MOS capacitors with interleaved fingers and methods of forming the same Mar 30, 16 Mar 14, 17 [H03H, H01L, G05F]
9589582 High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writer May 23, 16 Mar 07, 17 [G11B]
9589713 Sintered ferrite magnet and motor provided therewith Mar 04, 15 Mar 07, 17 [C04B, C01G, H01F, H02K]
9590120 MOS capacitors structures for variable capacitor arrays and methods of forming the same Mar 30, 16 Mar 07, 17 [H03H, H01L, G05F]
9590593 MOS capacitors with head-to-head fingers and methods of forming the same Mar 30, 16 Mar 07, 17 [H03H, H01L, G05F]
9582130 Transparent conductor and touch panel Jan 20, 15 Feb 28, 17 [C23C, G06F, B32B]
9585250 Conductive paste and ceramic substrate manufactured using the same Oct 02, 13 Feb 28, 17 [C04B, H01B, C09D, B32B, H05K]
9573837 Glass ceramic composition and coil electronic component Feb 04, 16 Feb 21, 17 [C04B, H01F, C03B, C03C]
9574905 Rotating field sensor and angle determination method using the same Sep 29, 14 Feb 21, 17 [G01R, G01D, G01B]
9576722 Electronic component and manufacturing method thereof Mar 27, 14 Feb 21, 17 [H01F, H01L, C25D]
9577539 Power supply device and power supply system that have a serial connection terminal, a reverse flow prevention rectifying device and a bypass rectifying device Jan 29, 14 Feb 21, 17 [H02M, H02J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
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]
2015/0249,205 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]
2015/0157,278 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]
2015/0027,538 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]
2014/0311,289 R-T-B BASED SINTERED MAGNET ABAN Apr 22, 14 Oct 23, 14 [H01F]
2014/0296,681 ELECTROCARDIOGRAPH, METHOD FOR MEASURING ELECTROCARDIOGRAM, AND COMPUTER PROGRAM PRODUCT ABAN Mar 04, 14 Oct 02, 14 [A61B]
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]
8692414 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]

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