TRANSOUND ELECTRONICS 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 998

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0026,758 HIGH SOUND QUALITY PIEZOELECTRIC SPEAKERJun 23, 16Jan 26, 17[H04R]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9860647 High sound quality piezoelectric speakerJun 23, 16Jan 02, 18[H04R]
9686603 Freely adjustable ergonomic bone conduction earphone rackApr 18, 16Jun 20, 17[H04R]
9602912 High bass speaker monomer and a high bass earphone structureDec 19, 13Mar 21, 17[H04R]
9510102 Moving iron sounding deviceAug 31, 15Nov 29, 16[H04R]
9462403 Package-integrable high sound quality moving coil loudspeaker structureOct 19, 15Oct 04, 16[H04R]
9344784 Earphone with dual loudspeakersNov 11, 14May 17, 16[H04R]
9204221 Acoustic metal diaphragmNov 12, 14Dec 01, 15[H04R]
8090125 Contact type electret condenser pickupAug 17, 07Jan 03, 12[H04R]

Expired/Abandoned/Withdrawn Patents

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