Inventor · Hsinchu, TW

Yen-Jen Chen

30Patents
5h-index
25Co-inventors
69Inventor score

Filing activity: Jun 19, 2003 → Jan 11, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8890626B2 Divider-less phase locked loop (PLL) Electricity 19 Active
US8547151B2 Phase-locked loops that share a loop filter Electricity 18 Active
US8456207B1 Lock detector and method of detecting lock status for phase lock loop Electricity 17 Active
US7491153B2 Combined exercise management and entertainment unit Human Necessities 14 Active
USD496035S1 Integrated all-in-one computer General 13 Expired
US9219039B2 Interposer and semiconductor package with noise suppression features Electricity 5 Active
US9176479B2 Tunable delay cells for time-to-digital converter Electricity 4 Active
US9838024B2 Auto frequency calibration method Electricity 3 Active
US8953730B2 Auto frequency calibration for a phase locked loop and method of use Electricity 3 Active
US7554456B2 Battery power level inspection device co-constructed with system indicators of notebook computer and inspection method thereof Physics 2 Expired
US8836390B2 Phase-locked loops that share a loop filter and frequency divider Electricity 2 Active
US9490819B2 Auto frequency calibration for a phase locked loop and method of use Electricity 1 Active
US9432030B2 Circuit and operating method of PLL Electricity 1 Active
US11768235B2 Test circuit and method Physics 1 Active
US11493563B2 Power amplifiers testing system and related testing method Electricity 1 Active
US10192833B2 Interposer and semiconductor package with noise suppression features Electricity 0 Active
US9705466B2 Semiconductor device with guard ring coupled resonant circuit Electricity 0 Active
US11821697B2 Composite heat dissipation device and preparation method and applications thereof Mechanical Engineering; Lighting; Heating 0 Active
US9374038B2 Phase frequency detector circuit Electricity 0 Active
US8643402B2 Phase frequency detector circuit Electricity 0 Active
US11555848B2 Test circuit and method Physics 0 Active
US8963595B2 Phase-locked loops that share a loop filter and frequency divider Electricity 0 Active
US12306263B2 Power amplifiers testing system and related testing method Electricity 0 Active
US11079428B2 Test circuit and method Physics 0 Active
US12080641B2 Electrical fuse bit cell in integrated circuit having backside conducting lines Physics 0 Active

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