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 1692 5
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 363 100
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 328 2
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 326 3
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 183 29
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 146 5
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 117 40
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 97 62
 
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 96 11
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 78 65
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0129,792 PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC ELEMENT Nov 07, 14 May 14, 15 [H01L]
2015/0131,202 CERAMIC ELECTRONIC COMPONENT Nov 07, 14 May 14, 15 [H01G]
2015/0132,178 R-T-B BASED PERMANENT MAGNET Feb 12, 14 May 14, 15 [H01F, C22C]
2015/0123,755 MAGNETIZATION CONTROLLING ELEMENT USING MAGNETOELECTRIC EFFECT Nov 04, 14 May 07, 15 [H01F]
2015/0124,373 DIELECTRIC COMPOSITION, DIELECTRIC FILM, AND ELECTRONIC COMPONENT Oct 31, 14 May 07, 15 [C04B, H01G]
2015/0125,700 METHOD FOR MANUFACTURING Sr FERRITE PARTICLE FOR SINTERED MAGNET, METHOD FOR USING Sr FERRITE PARTICLE, Sr FERRITE SINTERED MAGNET AND METHOD FOR MANUFACTURING SAME, AND MOTOR AND GENERATOR Jun 07, 13 May 07, 15 [C01G, H01F]
2015/0125,744 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY Nov 07, 14 May 07, 15 [H01M]
2015/0115,938 MAGNETIC FIELD DETECTION DEVICE Oct 30, 14 Apr 30, 15 [G01R, G01D]
2015/0118,498 RESIN COMPOSITION, RESIN SHEET, CURED RESIN PRODUCT AND SUBSTRATE Oct 23, 14 Apr 30, 15 [C08G, B32B]
2015/0109,062 MAGNETORESISTIVE EFFECT OSCILLATOR Oct 16, 14 Apr 23, 15 [H03B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,028,981 Metal magnet and motor using the same Jun 11, 10 May 12, 15 [H01F, B32B, C25D, C22C, H02K]
9,030,251 Mixer Sep 07, 12 May 12, 15 [H03D, G06F, H01L]
9,030,800 Thin film capacitor Mar 12, 13 May 12, 15 [H01G]
9,030,811 Electronic device chassis and electronic device Nov 19, 12 May 12, 15 [A47G, H05K]
9,022,532 Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device Oct 21, 13 May 05, 15 [B41J, H01L, G01L]
9,025,306 Laminated capacitor having internal electrode connected to terminal electrode and internal electrode not connected to terminal electrode Aug 05, 13 May 05, 15 [H01G]
9,025,422 Plasmon generator having flare shaped section Mar 25, 13 May 05, 15 [G11B, G21K]
9,017,831 Thin-film magnetic oscillation element Feb 27, 13 Apr 28, 15 [G01R, G11B, G11C, H01F]
9,018,964 Powder sensor Dec 11, 12 Apr 28, 15 [G03G]
9,005,780 Rare earth magnet, method for producing same and method for producing multilayer body Mar 28, 05 Apr 14, 15 [H01F, B32B, C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8,692,414 Wireless power feeder and wireless power transmission system Withdrawn Apr 07, 11 Apr 08, 14 [H01F]
2013/0256,848 ELECTRONIC COMPONENT MODULE AND METHOD OF MANUFACTURING THE SAME ABAN Mar 28, 13 Oct 03, 13 [H01L]
2013/0208,401 ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT ABAN Feb 01, 13 Aug 15, 13 [H01G]
2013/0128,387 SUSPENSION WITH HIGH CONDUCTIVITY GROUND LAYER ABAN Nov 22, 11 May 23, 13 [G11B]
2013/0128,410 METHOD OF MANUFACTURING THIN FILM CAPACITOR AND THIN FILM CAPACITOR ABAN Nov 13, 12 May 23, 13 [H01G]
2013/0099,834 RAMP SIGNAL GENERATION CIRCUIT AND RAMP SIGNAL ADJUSTMENT CIRCUIT ABAN Oct 18, 12 Apr 25, 13 [H03K]
2013/0083,484 COMPOSITE ELECTRONIC COMPONENT AND STRUCTURE FOR MOUNTING COMPOSITE ELECTRONIC COMPONENT ABAN Sep 25, 12 Apr 04, 13 [H05K]
2013/0070,364 THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF ABAN Sep 15, 11 Mar 21, 13 [G11B]
2013/0020,913 ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT ABAN Jul 11, 12 Jan 24, 13 [H01C, H01R, H01G, H01F, H01L]
2013/0010,428 FIXING SPRING AND HEAT SINK STRUCTURE FOR ELECTRONIC COMPONENT ABAN Jul 05, 12 Jan 10, 13 [H05K]
2012/0313,729 LC COMPOSITE COMPONENT AND STRUCTURE FOR MOUNTING LC COMPOSITE COMPONENT ABAN May 24, 12 Dec 13, 12 [H03H, H05K]
2012/0313,743 LAMINATED ELECTRONIC COMPONENT EQUIPPED WITH INDUCTOR ABAN Sep 07, 11 Dec 13, 12 [H01F]
2012/0250,123 APPARATUS AND METHOD FOR EVALUATING HOLOGRAM IMAGE RECORDING MEDIUM ABAN Jan 30, 12 Oct 04, 12 [G03H]
2012/0250,189 MAGNETIC HEAD INCLUDING SIDE SHIELD LAYERS ON BOTH SIDES OF A MR ELEMENT ABAN Mar 29, 11 Oct 04, 12 [G11B]
2012/0250,216 SEMICONDUCTOR CERAMIC AND A MULTILAYER SEMICONDUCTOR CERAMIC CAPACITOR ABAN Mar 27, 12 Oct 04, 12 [H01B, H01G]
2012/0235,778 R-T-B RARE EARTH SINTERED MAGNET ABAN Mar 12, 12 Sep 20, 12 [H01F]
2012/0228,683 SPIN DEVICE, AND MAGNETIC SENSOR AND SPIN FET USING THE SAME ABAN Mar 09, 12 Sep 13, 12 [H01L]
2012/0230,174 OPTICAL RECORDING AND READING DEVICE AND OPTICAL RECORDING AND READING METHOD ABAN Mar 08, 12 Sep 13, 12 [G11B]
2012/0218,712 SPRING FIXTURE FOR ELECTRONIC COMPONENT AND HEAT SINK STRUCTURE ABAN Feb 27, 12 Aug 30, 12 [F16D, H05K]
2012/0200,282 CHIP ELECTRONIC COMPONENT, MOUNTED STRUCTURE OF CHIP ELECTRONIC COMPONENT, AND SWITCHING SUPPLY CIRCUIT ABAN Jan 11, 12 Aug 09, 12 [H01L, G05F]

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