Asahi Kasei Microdevices Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 26336
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 25134
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1893
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 1268
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 753
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 793
 
  
 
H03K PULSE TECHNIQUE 7124
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS693
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 672
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0048,500 DEMODULATOROct 25, 17Feb 15, 18[H04L, H04B]
2018/0003,801 TRANSMITTER, TRANSMISSION METHOD, PHASE ADJUSTMENT DEVICE, AND PHASE ADJUSTMENT METHODApr 12, 16Jan 04, 18[H01Q, G01S]
2018/0006,214 SENSOR DEVICE AND METHOD FOR MANUFACTURING SAMEFeb 12, 16Jan 04, 18[H01L]
2017/0234,910 HALL ELECTROMOTIVE FORCE SIGNAL DETECTION CIRCUIT AND CURRENT SENSORSep 25, 15Aug 17, 17[G01R]
2016/0334,272 OUTPUT-CURRENT DETECTION CHIP FOR DIODE SENSORS, AND DIODE SENSOR DEVICEJan 07, 15Nov 17, 16[H01L, G01J]
2016/0327,806 IMAGE STABILIZER AND ADJUSTMENT METHOD THEREOF, IMAGE STABILIZING CIRCUIT, IMAGE STABILIZING METHOD, AND CAMERA MODULE AND POSITION CONTROL METHOD OF OPTICAL COMPONENT THEREOFDec 05, 14Nov 10, 16[G02B, G03B]
2016/0047,864 HALL ELECTROMOTIVE FORCE SIGNAL DETECTION CIRCUIT, CURRENT SENSOR THEREOF, AND HALL ELEMENT DRIVING METHODJan 17, 14Feb 18, 16[G01R]
2016/0035,839 COMPOUND SEMICONDUCTOR STACK AND SEMICONDUCTOR DEVICEMar 25, 14Feb 04, 16[H01L]
2015/0115,937 HALL ELECTROMOTIVE FORCE COMPENSATION DEVICE AND HALL ELECTROMOTIVE FORCE COMPENSATION METHODMay 31, 13Apr 30, 15[G01K, G01R, G01D]
2014/0092,656 POWER SUPPLY CIRCUITSep 11, 13Apr 03, 14[H02M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9921273 Hall electromotive force signal detection circuit, current sensor thereof, and hall element driving methodJan 17, 14Mar 20, 18[G01R]
9897446 Physical quantity data correcting device and physical quantity data correcting methodMar 05, 14Feb 20, 18[G01C, G01D]
9863808 Output-current detection chip for diode sensors, and diode sensor deviceJan 07, 15Jan 09, 18[H01L, G01J]
9864038 Hall electromotive force compensation device and hall electromotive force compensation methodMay 31, 13Jan 09, 18[H01L, G01K, G01R, G01D]
9853540 Power supply circuitSep 11, 13Dec 26, 17[H02M, G05F]
9755588 Signal output circuitMar 27, 14Sep 05, 17[H02M, H03F]
9740661 Physical quantity measuring apparatus and physical quantity measuring methodFeb 01, 13Aug 22, 17[G10L, G06F, G01B, G01D]
9666287 Voltage detector, method for setting reference voltage and computer readable mediumApr 28, 16May 30, 17[H03K, H01L, G01R, G11C]
9638576 Infrared-sensor filter member, manufacturing method thereof, infrared sensor, and manufacturing method thereofFeb 06, 14May 02, 17[H01L, G01J, G02B]
9625278 Rotation angle measurement apparatusSep 29, 16Apr 18, 17[G01B, G01R, G01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9438776 Position detection apparatusWithdrawnMar 30, 15Sep 06, 16[H04N, G02B, G03B]
2015/0316,638 MAGNETIC SENSOR AND SENSITIVITY MEASURING METHOD THEREOFAbandonedJul 14, 15Nov 05, 15[G01R]
2015/0303,874 DEMODULATOR AND MODULATORAbandonedAug 16, 13Oct 22, 15[H04L, H03D, H03C]
2015/0143,145 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAMAbandonedJul 12, 13May 21, 15[G06F, G05D]
2014/0292,417 VOLTAGE-CONTROLLED OSCILLATOR MODULE AND PHASE-LOCKED LOOP DEVICE INCLUDING THE SAMEAbandonedMar 27, 14Oct 02, 14[H03L]
2014/0218,009 DEVICE FOR MEASURING A DURATION OF A LEVEL OF AN ELECTRICAL SIGNALAbandonedAug 29, 11Aug 07, 14[G01R]
2014/0145,714 HALL ELECTROMOTIVE FORCE SIGNAL DETECTION CIRCUIT AND CURRENT SENSOR THEREOFAbandonedJan 10, 13May 29, 14[G01R]
2013/0253,864 Magnetic-Field Direction Measuring Apparatus, Rotation Angle Measuring Apparatus, and Magnetic-Field Measuring ApparatusAbandonedMar 18, 13Sep 26, 13[G01R]
2013/0207,717 Charge Pump CircuitAbandonedFeb 13, 13Aug 15, 13[G05F]
2013/0181,632 Flash Generating Device for LED and Flash Generating Method for LEDAbandonedJan 27, 12Jul 18, 13[H05B]
2013/0176,054 OUTPUT BUFFER CIRCUITAbandonedSep 20, 12Jul 11, 13[H03K]
2013/0113,526 CONTROL SIGNAL GENERATION CIRCUIT, CHARGE PUMP DRIVE CIRCUIT, CLOCK DRIVER, AND DRIVE METHOD OF CHARGE PUMPAbandonedMar 28, 12May 09, 13[G05F]
2012/0127,005 FAST QUANTIZER APPARATUS AND METHODAbandonedNov 17, 11May 24, 12[H03M]
6441661 PLL circuitExpiredDec 28, 00Aug 27, 02[H03L]

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