Inventor · Austin, TX, US

Jieming Qi

76Patents
8h-index
45Co-inventors
78Inventor score

Filing activity: Mar 14, 2000 → Nov 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7245161B2 Apparatus and method for verifying glitch-free operation of a multiplexer Physics 19 Expired
US7200064B1 Apparatus and method for providing a reprogrammable electrically programmable fuse Physics 14 Expired
US10056909B1 Single-lock delay locked loop with cycle counter and method therefore Physics 14 Active
US7511554B2 Systems and methods for level shifting using AC coupling Electricity 13 Active
US6404235B1 System and method for reducing latency in a dynamic circuit Electricity 12 Expired
US7675338B2 Duty cycle correction circuit whose operation is largely independent of operating voltage and process Electricity 10 Active
US7322001B2 Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performance Physics 9 Expired
US7360135B2 Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performance Physics 8 Active
US7113881B2 Method and apparatus for semi-automatic extraction and monitoring of diode ideality in a manufacturing environment Physics 7 Expired
US6819141B1 High speed, static digital multiplexer Electricity 7 Expired
US7330061B2 Method and apparatus for correcting the duty cycle of a digital signal Electricity 6 Active
US7245172B2 Level shifter apparatus and method for minimizing duty cycle distortion Electricity 6 Expired
US7024445B2 Method and apparatus for use in booth-encoded multiplication Physics 6 Expired
US7620126B2 Method and apparatus for detecting frequency lock in a system including a frequency synthesizer Electricity 5 Active
US7363178B2 Method and apparatus for measuring the relative duty cycle of a clock signal Physics 5 Active
US7642863B2 Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction Electricity 4 Active
US7333905B2 Method and apparatus for measuring the duty cycle of a digital signal Physics 4 Expired
US7913199B2 Structure for a duty cycle correction circuit Electricity 4 Active
US7391277B2 Interleaved voltage controlled oscillator Electricity 4 Active
US7493229B2 Adjusting voltage for a phase locked loop based on temperature Electricity 4 Active
US7356716B2 System and method for automatic calibration of a reference voltage Physics 4 Expired
US7350095B2 Digital circuit to measure and/or correct duty cycles Electricity 4 Active
US8037431B2 Structure for interleaved voltage controlled oscillator Electricity 4 Active
US7646177B2 Design structure for a duty cycle measurement apparatus that operates in a calibration mode and a test mode Physics 4 Active
US8736304B2 Self-biased high speed level shifter circuit Electricity 4 Active

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