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VTC INC

Overview
  • Total Patents
    75
About

VTC INC has a total of 75 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic communication technologies, audio-visual technology and semiconductors are NEWCOMB ELECTRONICS CORP, MUMFORD RAY and SHIN SHIRASUNA ELECTRIC CORP.

Patent filings in countries

World map showing VTC INCs patent filings in countries
# Country Total Patents
#1 United States 74
#2 Canada 1

Patent filings per year

Chart showing VTC INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ngo Tuan V 23
#2 Brannon Craig M 13
#3 Price Jr John J 8
#4 Shier John S 8
#5 Barnett Raymond E 7
#6 Hester Richard E 6
#7 Leake William W 6
#8 Peterson Douglas R 6
#9 Solstad Russell V 4
#10 Sutliff David E 3

Latest patents

Publication Filing date Title
US6020695A Three-phase generator boost circuit
US6107888A Method to equalize input currents to differential-to-single-ended amplifier configuration
US6111716A Referenced magnetoresistives sensor band pass preamplifier
US5994951A Automatic-tuning circuit for integrated continuous-time MOSFET-C filters
US5982574A Automatic tracking frequency servo demodulation technique for DVCR applications
US5894237A Write driver with buffer circuits between pull-up resistors and upper drive transistors
US5942934A On-chip regulator providing good high frequency rejection and noise filtering from the supply
US5825168A High performance maximum and minimum circuit
US5872477A Multiplexer with CMOS break-before-make circuit
US6005733A Preamplifier bias circuit for use in an AC coupled magnetoresistive read head amplifier
US5900779A Differential transimpedance amplifier
US5986832A Write driver with Schottky diodes to improve switching rate and reliability
US5835039A Self-biasing, low voltage, multiplying DAC
US5990710A High performance write driver for magnetic inductive recording head
US5914630A MR head preamplifier with output signal amplitude which is independent of head resistance
US5781042A Modal transition imbalance detector
US5757215A Common-gate pre-driver for disc drive write circuit
US5856891A MR resistive-biasing scheme providing low noise high common-mode rejection and high supply rejection
US5812019A Open-loop MR biasing circuit with high power supply and common mode rejection
US5721484A Power supply filter with active element assist