AICHI STEEL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 17149
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 1173
 
 
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 946
 
 
 
C22C ALLOYS 568
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 599
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 339
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 397
 
 
 
G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT 349
 
 
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 247
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2115

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0261,644 BALL ROTATIONAL DIRECTION DETECTING SYSTEMNov 03, 16Sep 14, 17[G01P, G01V]
2017/0234,938 MAGNETIC FIELD MEASUREMENT DEVICEJul 31, 15Aug 17, 17[G01R]
2017/0160,351 MAGNETIC DETECTION DEVICE AND METHOD FOR MANUFACTURING SAMEMar 12, 15Jun 08, 17[G01R, G01C, H01L]
2017/0023,602 ROTATION SPEED MEASURING SYSTEMJul 14, 16Jan 26, 17[G01P]
2017/0025,933 METHOD AND APPARATUS FOR MANUFACTURING INTERIOR PERMANENT MAGNET-TYPE INNER ROTORMar 12, 15Jan 26, 17[H02K]
2016/0312,854 CVT RING MEMBER AND METHOD FOR MANUFACTURING THE SAMEDec 09, 14Oct 27, 16[C23C, F16G, C22C, C21D]
2016/0282,424 MAGNETIC IMPEDANCE SENSORMar 22, 16Sep 29, 16[G01R]
2015/0354,042 FORGED COMPONENT, METHOD FOR MANUFACTURING THE SAME, AND CONNECTING RODMar 18, 14Dec 10, 15[F16C, C21D, C22C]
2015/0265,379 IMPLANT OVERDENTURE SYSTEM AND IMPLANTJun 04, 13Sep 24, 15[A61C]
2015/0262,748 MAGNETO-IMPEDANCE ELEMENT AND METHOD FOR PRODUCING THE SAMESep 03, 13Sep 17, 15[G01R, H01F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9799446 Production method for anisotropic bonded magnet and production apparatus for sameApr 11, 17Oct 24, 17[H01F, B22F]
9739849 Magnetic field detecting deviceJan 23, 15Aug 22, 17[G01R]
9666341 Production method for anisotropic bonded magnet and production apparatus for sameApr 05, 11May 30, 17[H01F, B29C, H02K]
9640319 Anisotropic rare earth magnet powder, method for producing the same, and bonded magnetOct 08, 10May 02, 17[H01F, B22F, C22C]
9580778 Manufacturing method for electric furnace steel for carburizing without Mo additionJul 18, 14Feb 28, 17[C23C, C22C, C21C]
9500721 Magnetic field detecting deviceFeb 20, 15Nov 22, 16[G01R]
9376748 Method for etching organic filmFeb 18, 15Jun 28, 16[B44C, C23C, H01F]
9335383 Magnetic field generating device and offset calculating methodNov 12, 14May 10, 16[G01R, H01F, G01C]
9312055 Case-integrated bonded magnet and production method for sameApr 05, 11Apr 12, 16[H01F, B29C, H02K]
9194033 Method for producing steel material for friction weldingMar 27, 13Nov 24, 15[C22C, C21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0101,257 ABRASIVE MATERIAL FOR SHOT BLASTING, AND METHOD FOR PRODUCING SAMEABANMay 20, 13Apr 16, 15[B24C]
2012/0299,675 ANISOTROPIC RARE EARTH MAGNET AND METHOD FOR PRODUCING THE SAMEABANAug 27, 10Nov 29, 12[H01F, B22F]
2011/0248,591 Anisotropic bonded magnet and direct current motor using the sameABANMay 06, 11Oct 13, 11[H02K]
2011/0234,346 BONDED RARE EARTH MAGNETABANDec 09, 09Sep 29, 11[H01F]
7812484 Permanent magnet for motor, motor housing, and motor deviceExpiredNov 29, 05Oct 12, 10[H02K]
7750776 Anisotropic bonded magnet for use in a 4-pole motor, a motor employing that magnet, and an alignment process apparatus for the anisotropic bonded magnet for use in a 4-pole motorExpiredFeb 02, 09Jul 06, 10[H01F]
2010/0065,156 Method for producing rare earth anisotropic bond magnets, method for orientation processing of magnetic molded bodies, and in-magnetic filed molding apparatusABANAug 20, 09Mar 18, 10[H01F, B28B]
7592889 Anisotropic bond magnet for four-magnetic-pole motor, motor using the same, device for orientation processing of anisotropic bond magnet for four-magnetic-pole motorExpiredApr 20, 05Sep 22, 09[H01F]
2009/0127,958 Anisotropic Bonded Magnet and Direct Current Motor Using the SameABANAug 03, 06May 21, 09[H02K]
7420364 Small-sized attitude detection sensor and portable telephone using the small-sized attitude detection sensorExpiredMay 17, 05Sep 02, 08[G01R]
7367791 Device for producing annular or arcuate magnetExpiredNov 19, 04May 06, 08[B29C]
2008/0060,465 Vibration Damping Member For Machine Part And Method Of Manufacturing The SameABANSep 01, 05Mar 13, 08[F16H, F16F]
7219549 Accelerometer with cantilever and magnetic field detectorExpiredMar 21, 05May 22, 07[G01P]
6955729 Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnetExpiredJun 28, 02Oct 18, 05[H01F]
2005/0145,301 Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet, and method for production thereofABANOct 12, 04Jul 07, 05[H01F]
2005/0069,435 Fuel pumpABANSep 28, 04Mar 31, 05[F04B, H02K]
2004/0201,300 Motor and its permanent magnetABANApr 30, 04Oct 14, 04[H02K]
6666930 FePt magnet and manufacturing method thereofExpiredMar 04, 02Dec 23, 03[H01F]
6652278 Dental bar attachment for implantsExpiredSep 19, 01Nov 25, 03[A61C]
2003/0118,969 Dental magnetic attachmentABANMay 01, 02Jun 26, 03[A61C]

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