P

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HOUSTON JOHN

US3 patents

Top patents by PatentIndex Score

US8390218B2Mar 5, 2013

Synchronized vibration device for haptic feedback

HOUSTON JOHN45 citations96
US8818901B2Aug 26, 2014

Digital rights management systems and methods for audience measurement

HOUSTON JOHN4 citations72
US8620607B2Dec 31, 2013

Systems and methods for metering and analyzing energy consumption of events within a portable device

HOUSTON JOHN0 citations50