Inventor · Sunnyvale, CA, US

Sassan Tabatabaei

46Patents
8h-index
17Co-inventors
72Inventor score

Filing activity: Sep 16, 2002 → Jun 17, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6754613B2 High resolution time-to-digital converter Physics 52 Expired
US7653849B1 Input-output device testing including embedded tests Physics 40 Active
US7598726B1 Methods and apparatuses for test methodology of input-output circuits Physics 16 Active
US7779319B1 Input-output device testing including delay tests Physics 14 Active
US7292947B1 System and method of estimating phase noise based on measurement of phase jitter at multiple sampling frequencies Physics 14 Active
US7203610B2 System and method of obtaining data-dependent jitter (DDJ) estimates from measured signal data Physics 13 Expired
US7590902B1 Methods and apparatuses for external delay test of input-output circuits Physics 12 Active
US10247621B1 High resolution temperature sensor Electricity 9 Active
US7400988B2 Periodic jitter (PJ) measurement methodology Electricity 6 Expired
US10594301B1 Clock generator with dual-path temperature compensation Electricity 6 Active
US7519888B2 Input-output device testing Physics 6 Active
US7164999B2 Data-dependent jitter (DDJ) calibration methodology Electricity 6 Expired
US7616036B1 Programmable strobe and clock generator Physics 6 Active
US8032806B1 Input-output device testing including initializing and leakage testing input-output devices Physics 6 Active
US7239969B2 System and method of generating test signals with injected data-dependent jitter (DDJ) Physics 5 Expired
US10622945B1 Low Allan-Deviation oscillator Electricity 4 Active
US10979031B1 Clock generator with dual-path temperature compensation Electricity 4 Active
US7512196B2 System and method of obtaining random jitter estimates from measured signal data Physics 4 Active
US7941287B2 Periodic jitter (PJ) measurement methodology Electricity 3 Active
US7856581B1 Methods and apparatuses for external test methodology and initialization of input-output circuits Physics 3 Active
US11228302B1 Clock generator with dual-path temperature compensation Electricity 3 Active
US11005422B1 Low allan-deviation oscillator Electricity 3 Active
US8225156B1 Methods and apparatuses for external voltage test methodology of input-output circuits Physics 3 Active
US11323071B1 Low Allan-Deviation oscillator Electricity 2 Active
US10622973B1 Temperature sensor based on ratio of clock signals from respective MEMS resonators Electricity 2 Active

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