Patent assignee · US · COMPANY

FAIRCHILD SEMICONDUCTOR CORPORATION

1,311Patents
850Active
1,311Granted
60Portfolio score

Filing activity: Oct 27, 1981 → Dec 17, 2019 · 429 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6429481B1 Field effect transistor and method of its manufacture Electricity 366 Expired
US6399022B1 Simplified ozonator for a semiconductor wafer cleaner Emerging Cross-Sectional Technologies 328 Expired
US7345342B2 Power semiconductor devices and methods of manufacture Emerging Cross-Sectional Technologies 270 Expired
US6710403B2 Dual trench power MOSFET Emerging Cross-Sectional Technologies 201 Expired
US4928223A Floating point microprocessor with directable two level microinstructions Physics 198 Expired
US6044428A Configurable universal serial bus node Physics 189 Expired
US6133634A High performance flip chip package Electricity 188 Expired
US6351018B1 Monolithically integrated trench MOSFET and Schottky diode Electricity 175 Expired
US4933743A High performance interconnect system for an integrated circuit Electricity 173 Expired
US6274905A Trench structure substantially filled with high-conductivity material Electricity 167 Expired
US6731003B2 Wafer-level coated copper stud bumps Electricity 165 Expired
US6677641B2 Semiconductor structure with improved smaller forward voltage loss and higher blocking capability Electricity 162 Expired
US7378805B2 Single-stage digital power converter for driving LEDs Emerging Cross-Sectional Technologies 138 Expired
US6777800B2 Semiconductor die package including drain clip Electricity 135 Expired
US6995995B2 Digital loop for regulating DC/DC converter with segmented switching Electricity 135 Expired
US4680613A Low impedance package for integrated circuit die Electricity 133 Expired
US8143124B2 Methods of making power semiconductor devices with thick bottom oxide layer Emerging Cross-Sectional Technologies 132 Active
US4646299A Method and apparatus for applying and monitoring programmed test signals during automated testing of electronic circuits Electricity 131 Expired
US4751199A Process of forming a compliant lead frame for array-type semiconductor packages Emerging Cross-Sectional Technologies 129 Expired
US6510138B1 Network switch with head of line input buffer queue clearing Electricity 127 Expired
US6376878B1 MOS-gated devices with alternating zones of conductivity Electricity 123 Expired
US6683346B2 Ultra dense trench-gated power-device with the reduced drain-source feedback capacitance and Miller charge Electricity 120 Expired
US7968400B2 Short channel LV, MV, and HV CMOS devices Electricity 116 Active
US4839717A Ceramic package for high frequency semiconductor devices Electricity 114 Expired
US6144187A Power measurement for adaptive battery charger Emerging Cross-Sectional Technologies 111 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.