Logitech International, S.A.

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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 1790
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H03G CONTROL OF AMPLIFICATION 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8391535 Active crossover for use with multi-driver headphones and in-ear monitorsNov 20, 10Mar 05, 13[H04R]
8194911 Earphone integrated eartipMar 27, 07Jun 05, 12[H04R, A61B]
8180094 Earpiece with acoustic vent for driver response optimizationOct 02, 08May 15, 12[H04R]
8116502 In-ear monitor with concentric sound bore configurationDec 17, 09Feb 14, 12[H04R]
8077872 Headset visual feedback systemFeb 13, 06Dec 13, 11[A61F, H04R, H03G]
8031900 Earphone ambient eartipFeb 27, 06Oct 04, 11[H04R]
8026789 State-based remote control systemJun 16, 04Sep 27, 11[G08C, G05B]
7876920 Active crossover for use with multi-driver headphonesApr 27, 06Jan 25, 11[H04R]
7876921 Active crossover and wireless interface for use with multi-driver headphonesApr 27, 06Jan 25, 11[H04R]
7869616 Active crossover and wireless interface for use with multi-driver in-ear monitorsApr 27, 06Jan 11, 11[H04R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0220,104 Venue private networkAbandonedMar 03, 08Sep 03, 09[H04B]
2008/0069,369 Microphone and stereo audio monitor combination with four contact plug connectorAbandonedSep 15, 06Mar 20, 08[H04B]

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