TDK CORPORATION

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Technologies

Intl Class Technology # of Patents Rank
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1755 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 314 84
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 300 2
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 228 1
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 181 17
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 137 4
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 82 10
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 73 65
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 69 36
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 62 20
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0097,378 FERRITE MAGNETIC MATERIAL, FERRITE MAGNET, AND FERRITE SINTERED MAGNET Nov 04, 13 Apr 10, 14 [H01F]
2014/0097,928 COMMON MODE FILTER Oct 03, 13 Apr 10, 14 [H01F]
2014/0098,439 THERMALLY-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBAL ASSEMBLY, HEAD ARM ASSEMBLY, AND MAGNETIC DISK UNIT Oct 04, 12 Apr 10, 14 [G11B]
2014/0098,441 PERPENDICULAR MAGNETIC WRITE HEAD AND MAGNETIC RECORDING DEVICE Oct 04, 12 Apr 10, 14 [G11B]
2014/0084,749 THIN FILM PIEZOELECTRIC DEVICE Sep 21, 12 Mar 27, 14 [H01L]
2014/0084,751 DRIVING APPARATUS Sep 19, 13 Mar 27, 14 [H02N]
2014/0084,754 THIN FILM PIEZOELECTRIC DEVICE Sep 21, 12 Mar 27, 14 [H01L]
2014/0085,854 CIRCUIT BOARD INCORPORATING SEMICONDUCTOR IC AND MANUFACTURING METHOD THEREOF Sep 19, 13 Mar 27, 14 [H05K]
2014/0086,436 PIEZOELECTRIC SOUNDER Sep 19, 13 Mar 27, 14 [H04R]
2014/0077,914 COIL COMPONENT AND MAGNETIC METAL POWDER CONTAINING RESIN USED THEREFOR Sep 04, 13 Mar 20, 14 [H01F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,692,104 Thermoelectric element Aug 17, 12 Apr 08, 14 [H01L]
8,692,127 Terminal structure, printed wiring board, module substrate, and electronic device Jul 22, 11 Apr 08, 14 [H01B, H01L, H05K]
8,692,414 Wireless power feeder and wireless power transmission system Apr 07, 11 Apr 08, 14 [H01F]
8,693,143 Suspension with high conductivity ground layer for microwave signal transmission line, for magnetic head slider Nov 22, 11 Apr 08, 14 [G11B]
8,686,656 Power supply device and light-emitting element drive device Sep 20, 12 Apr 01, 14 [H05B, H02M]
8,686,657 Power supply device and light-emitting element drive device Sep 20, 12 Apr 01, 14 [H05B, H02M]
8,687,469 Method for manufacturing an electronic device including a light absorption layer Dec 07, 12 Apr 01, 14 [G11B]
8,677,607 Method of manufacturing magnetoresistive element Mar 07, 08 Mar 25, 14 [G01R, G11B, H04R]
8,680,855 Apparatus for measuring magnetic field of microwave-assisted head Dec 26, 12 Mar 25, 14 [G01R]
8,680,952 Bandpass filter with dual band response Dec 30, 08 Mar 25, 14 [H01P]
8,681,063 Antenna device Feb 22, 12 Mar 25, 14 [H01Q]
8,682,150 Lens driving apparatus May 20, 11 Mar 25, 14 [G03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2011/0195,178 PRODUCTION METHOD OF DIELECTRIC CERAMIC COMPOSITION AND PRODUCTION METHOD OF ELECTRONIC DEVICE Jan 31, 11 Aug 11, 11 [C04B, B05D]
2011/0073,177 DYE-SENSITIZED SOLAR CELL, MANUFACTURING METHOD OF THE SAME, AND MANUFACTURING METHOD OF WORKING ELECTRODE FOR DYE-SENSITIZED SOLAR CELL Sep 03, 10 Mar 31, 11 [H01L]
2011/0048,789 ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME Nov 04, 10 Mar 03, 11 [H05K]
2011/0033,713 TRANSPARENT CONDUCTIVE MULTI-LAYER STRUCTURE AND PROCESS FOR PRODUCING THE SAME Oct 12, 10 Feb 10, 11 [H01B, B32B]
2011/0024,388 METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM Jul 23, 10 Feb 03, 11 [G11B]
2011/0003,240 Method for forming holograms May 26, 10 Jan 06, 11 [G03F]
2010/0300,537 Dye-sensitized solar cell and organic solvent-free electrolyte for dye-sensitized solar cell May 24, 10 Dec 02, 10 [H01L]
2010/0243,045 Photoelectric conversion device and manufacturing method of the same Mar 10, 10 Sep 30, 10 [H01L]
2010/0243,060 Electrode for photoelectric conversion elements, manufacturing method of the same, and dye-sensitized solar cell Mar 19, 10 Sep 30, 10 [H01L]
2010/0247,839 OPTICAL DEVICE Feb 18, 10 Sep 30, 10 [B32B]
2010/0231,422 TOUCH PANEL Mar 10, 10 Sep 16, 10 [H03K]
2010/0231,545 TOUCH PANEL AND METHOD FOR PRODUCING THE SAME Mar 10, 10 Sep 16, 10 [G06F, H05K]
2010/0214,173 CHIP ANTENNA Feb 27, 07 Aug 26, 10 [H01Q]
2010/0210,065 METHOD OF MANUFACTURING SOLAR CELL Feb 09, 10 Aug 19, 10 [H01L]
2010/0195,237 MAGNETIC RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS, AND STAMPER Feb 02, 10 Aug 05, 10 [G11B]
2010/0196,662 TRANSPARENT CONDUCTIVE MATERIAL Jan 20, 10 Aug 05, 10 [B32B]
2010/0178,737 Semiconductor IC and Its Manufacturing Method, and Module with Embedded Semiconductor IC and Its Manufacturing Method Jan 23, 10 Jul 15, 10 [H01L]
2010/0157,303 LIQUID MEASUREMENT DEVICE Dec 17, 09 Jun 24, 10 [G01N]
2010/0159,612 SENSOR CHIP AND METHOD FOR USE THEREOF Dec 17, 09 Jun 24, 10 [G01N]
2010/0149,689 Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layer including amorphous layer Dec 11, 08 Jun 17, 10 [G11B]

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