EM-TECH. CO., LTD.

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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 2384
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1592
 
  
 
G10K SOUND-PRODUCING DEVICES 431
 
  
 
H04B TRANSMISSION 3207
 
  
 
B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL 222
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
B01D SEPARATION 1133
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 196
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0063,637 Side Diaphragm with a Waterproof Function and Microspeaker Having the SameAug 22, 17Mar 01, 18[H04R]
2018/0048,952 Neckband-Type Wireless Sound TransducerAug 08, 17Feb 15, 18[G10K, H04R]
2018/0018,143 Audio Device with Music Listening Function and Surroundings Hearing FunctionJul 11, 17Jan 18, 18[H04R, G06F]
2018/0005,623 Voice Enhancing Device with Audio Focusing FunctionJul 03, 17Jan 04, 18[G10K, H04R]
2017/0345,408 Active Noise Reduction Headset Device with Hearing Aid FeaturesMay 26, 17Nov 30, 17[G10K, H04R]
2017/0195,781 Micro-Speaker Having an Air AdsorbentDec 30, 16Jul 06, 17[H04R, B01D]
2017/0171,651 Electric Device Including Microspeaker Module with Vibration FunctionDec 09, 15Jun 15, 17[H04R]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9900703 Suspension for high power micro speaker and high power micro speaker having the sameAug 23, 12Feb 20, 18[H04R]
9832557 Slim microspeakerDec 14, 15Nov 28, 17[H04R]
9693145 Suspension for high power micro speaker and high power micro speaker having the sameAug 23, 12Jun 27, 17[H04R]
9473837 Sound transducer with ventilation structureOct 25, 13Oct 18, 16[H04R]
9277305 Suspension for a sound transducerJul 29, 13Mar 01, 16[H04R]
9185477 Suspension for sound transducerSep 19, 13Nov 10, 15[H04R]
9185494 Inner magnet type microspeakerFeb 20, 14Nov 10, 15[H04R]
9088840 Vibration module for sound transducerOct 25, 13Jul 21, 15[H04R]
9027700 Bonding structure of diaphragm for microspeakerSep 19, 13May 12, 15[H04R]
9025808 High-output microspeakerMay 10, 12May 05, 15[H04R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0227,323 Receiver Having Diaphragm with Improved RigidityAbandonedJan 28, 16Aug 04, 16[H04R]
2015/0208,172 Microspeaker Diaphragm Bonding StructureAbandonedJan 23, 15Jul 23, 15[H04R]
2015/0010,196 Three-Magnet Type MicrospeakerAbandonedJul 01, 14Jan 08, 15[H04R]
2014/0355,816 Microspeaker with Improved Soldering StructureAbandonedMay 27, 14Dec 04, 14[H04R]
2014/0301,587 SLIM ENCLOSURE SPEAKER WITH SIDE ACOUSTIC EMISSION STRUCTUREAbandonedMar 31, 14Oct 09, 14[H04R]
2014/0294,225 ENCLOSURE SPEAKER WITH SIDE ACOUSTIC EMISSION STRUCTUREAbandonedMar 27, 14Oct 02, 14[H04R]
2014/0233,785 Slim Protector and Slim Microspeaker Module Having the SameAbandonedFeb 05, 14Aug 21, 14[H04R]
8531063 Linear vibratorExpiredApr 08, 10Sep 10, 13[H02K]
2013/0099,600 LINEAR VIBRATORAbandonedOct 23, 12Apr 25, 13[H02K]
2013/0099,602 LINEAR VIBRATORAbandonedOct 16, 12Apr 25, 13[H02K]
2013/0099,603 LINEAR VIBRATORAbandonedJul 01, 11Apr 25, 13[H02K]
2012/0293,022 LINEAR VIBRATORAbandonedMay 18, 12Nov 22, 12[H02K]
8150076 Sound converter with enclosureExpiredAug 21, 07Apr 03, 12[H04R]

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