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UNITRODE CORP

Overview
  • Total Patents
    105
About

UNITRODE CORP has a total of 105 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets semiconductors, electrical machinery and energy and basic communication technologies are MICREL INC, IDEAL POWER INC and SILEC SEMI CONDUCTEURS.

Patent filings per year

Chart showing UNITRODE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mammano Robert A 13
#2 Jordan Mark 12
#3 Neidorff Robert A 12
#4 O'Connor John A 7
#5 Simon Edward 6
#6 Blackstone Scott C 5
#7 Van Dyk Soerewyn Herman F 5
#8 Jordan Mark George 4
#9 Terry Francis H 4
#10 Khayat Joseph M 4

Latest patents

Publication Filing date Title
US6114835A Multi-cell battery pack charge balancing circuit
US6344959B1 Method for sensing the output voltage of a charge pump circuit without applying a load to the output stage
US6115469A Telephone line ring signal and DC power generator
US6034496A Motor speed control using fixed-duration torque bursts
US6144245A Adaptive leading edge blanking circuit to eliminate spike on power switching transistor current sense signal
US5886487A DC motor driver having output FETS that conduct to rectify output overvoltage and undervoltage transients
US5969498A Induction motor controller
US5929577A Brushless DC motor controller
US5847942A Controller for isolated boost converter with improved detection of RMS input voltage for distortion reduction and having load-dependent overlap conduction delay of shunt MOSFET
US5751139A Multiplexing power converter
US5767664A Bandgap voltage reference based temperature compensation circuit
US5710697A Power supply controller having frequency foldback and volt-second duty cycle clamp features
US5663878A Apparatus and method for generating a low frequency AC signal
US5691889A Controller having feed-forward and synchronization features
US5581170A Battery protector
US5585741A Impedance emulator
US5532626A Off-line controller having a line voltage detector and a switched current bootstrap circuit
US5627460A DC/DC converter having a bootstrapped high side driver
US5652501A Voltage sensor for detecting cell voltages
US5493235A Programmable and stable threshold CMOS inverter