Patent assignee · TW · COMPANY

MACROBLOCK, INC.

71Patents
69Active
71Granted
58Portfolio score

Filing activity: Dec 14, 2001 → Aug 9, 2023 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6930679B2 System of LED drivers for driving display devices Physics 42 Expired
US7715216B2 Powering circuit of AC-DC converter Electricity 34 Active
US8787051B2 Method and apparatus for controlling the equivalent resistance of a converter Emerging Cross-Sectional Technologies 24 Active
US8321714B2 Serial controller and bi-directional serial controller Electricity 24 Active
US8422253B2 Circuit regulator and synchronous timing pulse generation circuit thereof Electricity 10 Active
US8213190B2 Single-stage isolated high power factor AC/DC converter with leakage inductor energy recovery function Emerging Cross-Sectional Technologies 7 Active
US7915836B2 Light-emitting diode driving circuit Emerging Cross-Sectional Technologies 5 Active
US7545178B2 Signal encoder and signal decoder Electricity 4 Active
US11132940B2 Display system and driving circuit thereof Physics 3 Active
US8610375B2 Adaptive bleeder circuit Electricity 3 Active
US10085333B1 LED failure detecting device Mechanical Engineering; Lighting; Heating 3 Active
US8344636B2 Fixed frequency dimming method and fixed frequency dimming circuit for light emitting module Electricity 2 Active
US8760458B2 Scan-type display device control circuit Emerging Cross-Sectional Technologies 2 Active
US10117304B2 LED failure detecting device Electricity 2 Active
US11875737B2 Scan-type display apparatus capable of short circuit detection, and data driver thereof Physics 2 Active
US8928421B2 Control circuit for reducing electromagnetic interference Electricity 2 Active
US8193757B2 Photovoltaic circuit Emerging Cross-Sectional Technologies 2 Active
US8575901B2 Auto-selecting holding current circuit Emerging Cross-Sectional Technologies 2 Active
US11355058B2 Driving passive light emitting diode array having a driver for outputting switching output signals Physics 1 Active
US11929016B2 Scan-type display apparatus capable of short circuit detection, and scan driver thereof Physics 1 Active
US11996037B2 Scan-type display apparatus capable of short circuit detection, and data driver thereof Physics 1 Active
US8884538B2 Light-emitting diode driving circuit Emerging Cross-Sectional Technologies 1 Active
US11462154B1 Display system capable of eliminating cross-channel coupling problem, and driving device thereof Physics 1 Active
US7479738B2 Drive circuit for light emitting diode Electricity 1 Active
US9263941B2 Power factor-corrected resonant converter and parallel power factor-corrected resonant converter Emerging Cross-Sectional Technologies 1 Active

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