Patent assignee · CN · COMPANY

VIMICRO CORPORATION

36Patents
35Active
36Granted
55Portfolio score

Filing activity: Sep 13, 2005 → Nov 7, 2013 · 30 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7328848B2 Method and system for transmitting data based on two-dimensional symbol technologies Emerging Cross-Sectional Technologies 45 Active
US8369633B2 Video codec method and system Electricity 37 Active
US9286908B2 Method and system for noise reduction Electricity 30 Active
US7853050B2 System and method for operation without touch by operators Human Necessities 20 Active
US7609049B1 Accurate scan-mode voltage detection circuit Physics 17 Active
US7986499B2 Current limiting circuit and voltage regulator using the same Physics 8 Active
US7350049B1 Method and apparatus for managing access to a file allocation table Emerging Cross-Sectional Technologies 8 Active
US8081410B1 Overcurrent protection circuit Electricity 8 Active
US7746047B2 Low dropout voltage regulator with improved voltage controlled current source Physics 7 Active
US7685331B2 Direct memory access controller Physics 7 Active
US7473837B2 Device and method for synchronizing illumination with music Emerging Cross-Sectional Technologies 6 Active
US7441077B2 Device for transmitting data and method for the same Physics 5 Active
US7710049B2 Driver and method for driving LEDS on multiple branch circuits Emerging Cross-Sectional Technologies 5 Active
US7412556B2 Method and system for master devices accessing slave devices Physics 4 Expired
US8081146B2 Multifunctional driver controllers Emerging Cross-Sectional Technologies 4 Active
US7808552B1 Techniques for detecting a pulldown field sequence Electricity 4 Active
US7583068B2 Method for driving voltage-controlled devices or current-controlled devices Emerging Cross-Sectional Technologies 3 Active
US7781983B1 Closed-loop feedback circuit for controlling LEDs Emerging Cross-Sectional Technologies 3 Active
US7482859B2 Automatic current trimming method & circuits Physics 2 Active
US7859561B2 Method and system for video conference Electricity 2 Active
US7728577B2 Automatic current trimming method and circuits Emerging Cross-Sectional Technologies 2 Active
US8315114B2 Memory controllers Physics 2 Active
US7869504B2 Coefficient scaling operational units Electricity 1 Active
US7620172B2 Method and system for eliminating noises and echo in voice signals Electricity 1 Active
US7889010B2 Compensation circuit Electricity 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.