Inventor · Irvine, CA, US

Derek Tam

26Patents
5h-index
27Co-inventors
65Inventor score

Filing activity: Oct 3, 2001 → Mar 11, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7098738B2 Fine step and large gain range programmable gain amplifier Electricity 13 Expired
US6828654B2 Thick oxide P-gate NMOS capacitor for use in a phase-locked loop circuit and method of making same Electricity 8 Expired
US6518805B2 Programmable divider with built-in programmable delay chain for high-speed/low power application Electricity 7 Expired
US6707327B2 Frequency dividing circuit Electricity 5 Expired
US6570417B2 Frequency dividing circuit Electricity 5 Expired
US7019565B2 Methods and systems for fully differential frequency doubling Electricity 5 Expired
US6882189B2 Programmable divider with built-in programmable delay chain for high-speed/low power application Electricity 4 Expired
US6882190B2 Apparatus for frequency dividing a master clock signal by a non-integer Electricity 4 Expired
US8183885B2 Circuit for digitally controlling line driver current Electricity 4 Active
US6661261B2 Programmable divider with built-in programmable delay chain for high-speed/low power application Electricity 3 Expired
US7005898B2 Programmable divider with built-in programmable delay chain for high-speed/low power application Electricity 3 Expired
US9727514B2 Integrated circuits with universal serial bus 2.0 and embedded universal serial bus 2 connectivity Emerging Cross-Sectional Technologies 3 Active
US8977869B2 Method and system for controlling power of an IC chip based on reception of signal pulse from a neighboring chip Physics 2 Active
US9836420B2 Integrated systems with universal serial Bus 2.0 and embedded universal serial Bus 2 connectivity Physics 2 Active
US7034584B2 Apparatus for frequency dividing a master clock signal by a non-integer Electricity 2 Expired
US7944251B2 Reduced line driver output dependency on process, voltage, and temperature variations Electricity 1 Active
US7982491B2 Active termination and switchable passive termination circuits Electricity 1 Active
US8289046B2 Switchable passive termination circuits Electricity 1 Active
US8325756B2 Method and system for a power reduction scheme for Ethernet PHYs Electricity 1 Active
US8148219B2 Thick oxide P-gate NMOS capacitor for use in a low-pass filter of a circuit and method of making same Electricity 1 Active
US9231655B2 System and method for power control in a physical layer device Emerging Cross-Sectional Technologies 1 Active
US8228091B2 False-link protection circuit and method for utilizing same Electricity 0 Active
US8598917B2 Line driver with reduced dependency on process, voltage, and temperature Electricity 0 Active
US9252833B2 Power efficient driver architecture Electricity 0 Active
US8867352B2 Receiver based power efficient transmitter for ethernet Electricity 0 Active

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