Inventor · San Diego, CA, US

Wei-Jen Chen

219Patents
10h-index
232Co-inventors
83Inventor score

Filing activity: Aug 8, 1997 → Jun 24, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6005854A Synchronous wireless access protocol method and apparatus Electricity 105 Expired
US9331588B2 Control circuits and control methods for flyback converters and AC-DC power converters thereof Emerging Cross-Sectional Technologies 52 Active
US8487517B2 Led lamp incorporating fan and heat sink assembly Mechanical Engineering; Lighting; Heating 28 Active
US8004070B1 Wire-free chip module and method Electricity 23 Active
US11239327B2 HEMT and method of adjusting electron density of 2DEG Electricity 14 Active
US9362385B2 Method for tuning threshold voltage of semiconductor device with metal gate structure Electricity 12 Active
US9287782B2 High efficiency bi-directional DC converter and control method thereof Electricity 12 Active
USD952799S1 Faucet handle General 11 Active
US7965577B2 Word line defect detecting device and method thereof Physics 11 Active
US9969809B2 Therapeutic antibodies and their uses Chemistry; Metallurgy 11 Active
US9525357B2 Control and drive circuit and method Emerging Cross-Sectional Technologies 8 Active
US9024542B2 High efficiency LED driving circuit and driving method Emerging Cross-Sectional Technologies 7 Active
USD987040S1 Faucet General 7 Active
US10659079B2 QC-LDPC codes Electricity 7 Active
US10283614B1 Semiconductor structure including high electron mobility transistor device Electricity 7 Active
US10040860B2 Therapeutic antibodies and their uses Chemistry; Metallurgy 6 Active
US8674669B2 Switching regulator with a single inductor in a multiple output power supply configuration Emerging Cross-Sectional Technologies 6 Active
US9548372B2 Semiconductor device with tunable work function Electricity 6 Active
US9131582B2 High efficiency LED driving circuit and driving method Emerging Cross-Sectional Technologies 6 Active
US8610339B2 Lamp Mechanical Engineering; Lighting; Heating 5 Active
US9107270B2 High efficiency led drivers with high power factor Electricity 5 Active
US9525344B2 Constant time controller and controlling method for a switching regulator Electricity 5 Active
US7341371B2 LED light assembly with LED connecting device Mechanical Engineering; Lighting; Heating 5 Expired
US9130014B2 Method for fabricating shallow trench isolation structure Electricity 5 Active
US9055629B2 SCR dimming circuit and method Emerging Cross-Sectional Technologies 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.