DVA Patents
DVA owns over 800 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 | |
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4,827,253 |
Maltz | May 18, 2007 | Video Presentation |
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4,998,011 Download Patent Download File History |
Shuman | November 17, 2009 | Optical Element |
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5,265,079 Download Patent |
Getreuer | February 15, 2011 | Center of Mass |
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5,577,015 Download Patent |
Bailey | March 26, 2008 | Data Recovery |
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5,581,526 Download Patent |
Lewis | April 7, 2015 | Search |
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5,583,841 Download Patent Download File History |
Ceshkovsky | January 17, 2015 | Search |
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5,659,526 Download Patent |
Lewis | April 7, 2015 | Search |
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5,659,535 Download Patent |
Kimura | August 19, 2014 | Data Recovery |
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5,706,267 |
Kimura | January 6, 2015 | Data Recovery |
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5,719,836 Download Patent |
Lewis | April 7, 2015 | Search |
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5,790,495 Download Patent |
Kimura | August 4, 2015 | Data Recovery |
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5,894,468 Download Patent |
Kimura | April 13, 2016 | Data Recovery |
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5,978,329 Download Patent |
Ceshkovsky | November 2, 2016 | Tracking |
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5,978,331 Download Patent |
Ceshkovsky | December 6, 2015 | Focus |
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6,014,355 Download Patent Download File History |
Bailey | January 11, 2017 | Data Recovery |
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6,087,644 Download Patent |
Schell | January 25, 2015 | Focus |
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6,091,684 Download Patent |
Schell | July 18, 2017 | Spindle |
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6,163,645 Download Patent |
Dakin | December 19, 2017 | Audio Mute |
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6,195,502 Download Patent |
Dakin | February 27, 2018 | Stop Motion |
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6,445,650 Download Patent |
Tsai | May 2, 2020 | Search |
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6,744,711 Download Patent |
Ceshkovsky | June 20, 2020 | Search |
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6,982,935 Download Patent |
Ceshkovsky | July 20, 2023 | Search |