DVA Patents

DVA owns many patents world wide. Some of the most commonly discussed patents are found below.


 

United States Patents - Optical Disc Playback and Recording Products Partial List - 2006
  Patent Number Inventor Expiration Date Subject
4,998,011
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Shuman November 17, 2009 Optical Element
5,265,079
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Getreuer February 15, 2011 Center of Mass
5,581,526
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Lewis April 7, 2015 Search
5,583,841
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Ceshkovsky January 17, 2015 Search
5,659,526
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Lewis April 7, 2015 Search
5,659,535
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Kimura August 19, 2014 Data Recovery
5,706,267
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Kimura January 6, 2015 Data Recovery
5,719,836
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Lewis April 7, 2015 Search
5,790,495
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Kimura August 4, 2015 Data Recovery
5,894,468
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Kimura April 13, 2016 Data Recovery
5,978,329
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Ceshkovsky November 2, 2016 Tracking
5,978,331
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Ceshkovsky December 6, 2015 Focus
6,014,355
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Bailey January 11, 2017 Data Recovery
6,087,644
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Schell January 25, 2015 Focus
6,091,684
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Schell July 18, 2017 Spindle
6,163,645
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Dakin December 19, 2017 Audio Mute
6,195,502
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Dakin February 27, 2018 Stop Motion
6,445,650
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Tsai May 2, 2020 Search
6,744,711
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Ceshkovsky June 20, 2020 Search
6,982,935
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Ceshkovsky July 20, 2023 Search