Inventor · Daejeon, KR

Ja Yol Lee

22Patents
5h-index
24Co-inventors
65Inventor score

Filing activity: Oct 5, 2004 → Oct 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8432199B2 Fractional digital PLL with analog phase error compensator Electricity 13 Active
US7554416B2 Multi-band LC resonance voltage-controlled oscillator with adjustable negative resistance cell Electricity 11 Active
US8344772B2 Time-to-digital converter and all digital phase-locked loop including the same Electricity 10 Active
US7414488B2 Low phase noise differential LC tank VCO with current negative feedback Electricity 9 Active
US9705515B1 Digital phase locked loop and method of driving the same Electricity 9 Active
US8797203B2 Low-power high-resolution time-to-digital converter Physics 4 Active
US7902930B2 Colpitts quadrature voltage controlled oscillator Electricity 4 Active
US7511581B2 Wide-band multimode frequency synthesizer and variable frequency divider Electricity 4 Active
US7999707B2 Apparatus for compensating for error of time-to-digital converter Electricity 3 Active
US9735788B2 Phase locked loop for reducing fractional spur noise Electricity 3 Active
US7170355B2 Voltage-controlled oscillator using current feedback network Electricity 2 Expired
US12028082B2 Phase-locked loop circuit and operation method thereof Electricity 2 Active
US8013641B1 Frequency synthesizer including a digital lock detector Electricity 1 Active
US7852165B2 Capacitive-degeneration double cross-coupled voltage-controlled oscillator Electricity 1 Active
US10976409B2 Frequency-modulated continuous wave generator and frequency-modulated continuous wave radar system including the same Electricity 1 Active
US7956658B2 Digital lock detector and frequency synthesizer using the same Electricity 1 Active
US8060020B2 Apparatus and method for removing interference signal using selective frequency phase converter Electricity 1 Active
US7961038B2 Digital proportional integral loop filter Physics 0 Active
US10819129B2 Battery charging system including battery gauge Electricity 0 Active
US8031009B2 Frequency calibration loop circuit Emerging Cross-Sectional Technologies 0 Active
US10917046B2 Electronic circuit performing push-pull operation and oscillator including the same Electricity 0 Active
US9654119B2 Phase locked loop and operating method thereof Electricity 0 Active

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