AKUSTICA, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 5659
 
  
 
B81B MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES 1618
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 16346
 
  
 
B81C PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS 1121
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 399
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G10K SOUND-PRODUCING DEVICES 233
 
  
 
H03F AMPLIFIERS 281
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 120
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0355,594 HIGH-VOLTAGE RESET MEMS MICROPHONE NETWORK AND METHOD OF DETECTING DEFECTS THEREOFAug 16, 17Dec 14, 17[H01L, B81C, H04R, B81B]
2017/0280,263 IN-PLANE OVERTRAVEL STOPS FOR MEMS MICROPHONEJun 12, 17Sep 28, 17[H04R, B81B]
2017/0245,060 MULTI-LAYER COMPOSITE BACKPLATE FOR MICROMECHANICAL MICROPHONEMay 08, 17Aug 24, 17[H04R, B81B]
2017/0238,108 INTEGRATED SELF-TEST FOR ELECTRO-MECHANICAL CAPACITIVE SENSORSFeb 24, 15Aug 17, 17[H04R]
2017/0195,814 METALIZED MICROPHONE LID WITH INTEGRATED WIRE BONDING SHELFMar 20, 17Jul 06, 17[H04R]
2017/0183,218 TRAPPED MEMBRANEMar 10, 17Jun 29, 17[H04R, B81B]
2016/0381,456 MICROPHONE WITH INTERNAL PARAMETER CALIBRATIONJun 27, 14Dec 29, 16[H04R]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9894444 Microphone package with molded spacerApr 19, 17Feb 13, 18[H04R]
9894453 Absolute sensitivity of a MEMS microphone with capacitive and piezoelectric electrodesMay 08, 17Feb 13, 18[H04R]
9820059 Mesh in mesh backplate for micromechanical microphoneMay 29, 14Nov 14, 17[H04R]
9793802 MEMS capacitive sensor biasing circuit including an integrated inductorMay 18, 11Oct 17, 17[H02M]
9781519 Molded interconnect mircoelectromechanical system (MEMS) device packageApr 14, 16Oct 03, 17[H04R, B81B]
9758370 Monolithic CMOS-MEMS microphones and method of manufacturingOct 31, 16Sep 12, 17[B81C, H04R]
9762188 Differential microphone with dual polarity biasAug 11, 15Sep 12, 17[G10K, H04R, H03F]
9756410 Digital microphone interface supporting multiple microphonesMay 16, 16Sep 05, 17[H04R]
9743203 High-voltage reset MEMS microphone network and method of detecting defects thereofSep 10, 15Aug 22, 17[H04R, G01R]
9743205 Low-cost method for testing the signal-to-noise ratio of MEMS microphonesOct 31, 16Aug 22, 17[H04R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0150,262 INDEPENDENTLY CHARGE PUMPS FOR DIFFERENTIAL MICROPHONEAbandonedFeb 06, 17May 25, 17[H02M, H04R]
2016/0137,490 CAVITY PACKAGE DESIGNAbandonedJan 18, 16May 19, 16[B81B]
2015/0356,982 SPEECH DETECTION CIRCUIT AND METHODAbandonedSep 25, 14Dec 10, 15[G10L]
2013/0147,040 MEMS CHIP SCALE PACKAGEAbandonedDec 09, 11Jun 13, 13[H01L]
2012/0308,047 SELF-TUNING MEMS MICROPHONEAbandonedJun 01, 11Dec 06, 12[H04R]
2005/0095,814 Ultrathin form factor MEMS microphones and microspeakersAbandonedMar 15, 04May 05, 05[H01L]
2003/0210,799 Multiple membrane structure and method of manufactureAbandonedMay 10, 02Nov 13, 03[H04R]

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