Inventor · disambiguated record
Tuan V. Ngo
Also filed as: NGO TUAN · NGO TUAN V · NGO TUAN VAN
46 granted patents·3 pending applications·748 citations·filing 1987–2024
98Inventor score
Files withVTC INC24TEXAS INSTRUMENTS INC12LUCENT TECHNOLOGIES INC4AGERE SYST GUARDIAN CORP3ADC TELECOMMUNICATIONS INC2
Top patents by PatentIndex Score
49 records- 0193US6879455B2Method to increase head voltage swing and to reduce the rise time of write driverTEXAS INSTRUMENTS INC·Filed 2001·Granted Apr 12, 2005·45 cites·20 claims
- 0290US6798591B2Reference circuit for write driver circuit with programmable write current, overshoot duration and overshoot amplitude controlTEXAS INSTRUMENTS INC·Filed 2001·Granted Sep 28, 2004·31 cites·23 claims
- 0388US5287231AWrite circuit having current mirrors between predriver and write driver circuits for maximum head voltage swingVTC INC·Filed 1992·Granted Feb 15, 1994·36 cites·19 claims
- 0487US5282094ACurrent mirror having a base current compensation circuit with a compensation mirror and a voltage clampVTC INC·Filed 1993·Granted Jan 25, 1994·32 cites·14 claims
- 0584US7006313B2Circuit and method to match common mode flex impedance and to achieve symmetrical switching voltage outputs of write driverTEXAS INSTRUMENTS INC·Filed 2002·Granted Feb 28, 2006·18 cites·10 claims
- 0682US6512646B1Impedance-matched write circuitAGERE SYSTEMS INC·Filed 1999·Granted Jan 28, 2003·35 cites·6 claims
- 0782US5291347AWrite driver with H-switch synchronizing transistorsVTC INC·Filed 1993·Granted Mar 1, 1994·26 cites·8 claims
- 0880US4827222AInput offset voltage trimming network and methodVTC INC·Filed 1987·Granted May 2, 1989·26 cites·8 claims
- 0979US7242544B2Apparatus and method for applying write signals for driving a write headTEXAS INSTRUMENTS INC·Filed 2004·Granted Jul 10, 2007·13 cites·12 claims
- 1079US6236247B1Impedance pseudo-matched write driverAGERE SYST GUARDIAN CORP·Filed 1999·Granted May 22, 2001·32 cites·15 claims
- 1179US6236246B1Voltage-mode boosting circuit for write driverLUCENT TECHNOLOGIES INC·Filed 1999·Granted May 22, 2001·32 cites·22 claims
- 1277US5345346APositive feedback low input capacitance differential amplifierVTC INC·Filed 1993·Granted Sep 6, 1994·27 cites·17 claims
- 1376US5311146ACurrent mirror for low supply voltage operationVTC INC·Filed 1993·Granted May 10, 1994·26 cites·25 claims
- 1475US5856891AMR resistive-biasing scheme providing low noise high common-mode rejection and high supply rejectionVTC INC·Filed 1997·Granted Jan 5, 1999·27 cites·32 claims
- 1573US7372649B2Apparatus and method for applying write signals for driving a write headTEXAS INSTRUMENTS INC·Filed 2003·Granted May 13, 2008·12 cites·19 claims
- 1671US6975473B2Power efficient overshoot protection during an operating mode transitionTEXAS INSTRUMENTS INC·Filed 2002·Granted Dec 13, 2005·8 cites·7 claims
- 1771US4843342ADifferential amplifier with input bias current cancellationVTC INC·Filed 1987·Granted Jun 27, 1989·19 cites·16 claims
- 1869US6806420B2Input power connector for distribution panelADC TELECOMMUNICATIONS INC·Filed 2001·Granted Oct 19, 2004·7 cites·23 claims
- 1969US6735030B2Method to write servo on multi-channels with voltage mode data and single channel with current mode dataTEXAS INSTRUMENTS INC·Filed 2001·Granted May 11, 2004·7 cites·20 claims
- 2069US5793551AAmplifier having a differential input capacitance cancellation circuitVTC INC·Filed 1995·Granted Aug 11, 1998·21 cites·13 claims
- 2169US5751171APredriver for fast current switching through a two-terminal inductive loadVTC INC·Filed 1996·Granted May 12, 1998·21 cites·21 claims
- 2267US5781046APush-and-pull driver circuit for driving an H-bridge coupled to a two-terminal inductive loadVTC INC·Filed 1995·Granted Jul 14, 1998·20 cites·5 claims
- 2364USRE41662EInput power connector for distribution panelADC TELECOMMUNICATIONS INC·Filed 2006·Granted Sep 14, 2010·1 cites·38 claims
- 2463US2025152388A1Novel enhanced stent making methods & applications of the same within vascular system needing the sameM4D LLC·Filed 2024·Application pending·0 cites
- 2562US6128146AUndershoot active damping circuit for write driversLUCENT TECHNOLOGIES INC·Filed 1998·Granted Oct 3, 2000·16 cites·20 claims
- 2660US6215607B1Write driver using continuous damping network to reduce overshoot, undershoot and settling time for magnetic inductive recording headLUCENT TECHNOLOGIES INC·Filed 1997·Granted Apr 10, 2001·14 cites·18 claims
- 2760US5373402ASystem and method for writing servo information and data to a plurality of magnetic discsVTC INC·Filed 1993·Granted Dec 13, 1994·12 cites·16 claims
- 2858US5532631AActive pull-down write driver for three-terminal inductive loadVTC INC·Filed 1994·Granted Jul 2, 1996·13 cites·15 claims
- 2958US4771228AOutput stage current limit circuitVTC INC·Filed 1987·Granted Sep 13, 1988·14 cites·10 claims
- 3057US7652537B2Amplifier with programmable input impedanceTEXAS INSTRUMENTS INC·Filed 2008·Granted Jan 26, 2010·3 cites·20 claims
- 3156US7292074B2Write driver with continuous impedance match and improved common mode symmetryTEXAS INSTRUMENTS INC·Filed 2004·Granted Nov 6, 2007·2 cites·5 claims
- 3256US6275347B1Current bias, current sense preamplifier for a magnetoresistive readerAGERE SYST GUARDIAN CORP·Filed 1999·Granted Aug 14, 2001·12 cites·25 claims
- 3356US6111716AReferenced magnetoresistives sensor band pass preamplifierVTC INC·Filed 1998·Granted Aug 29, 2000·12 cites·14 claims
- 3455US6150876AVoltage bias, current sense preamplifier for a magnetoresistive readerLUCENT TECHNOLOGIES INC·Filed 1999·Granted Nov 21, 2000·16 cites·18 claims
- 3555US5942934AOn-chip regulator providing good high frequency rejection and noise filtering from the supplyVTC INC·Filed 1997·Granted Aug 24, 1999·14 cites·20 claims
- 3655US5831784APseudo differential voltage sense MR preamplifier with improved bandwidthVTC INC·Filed 1996·Granted Nov 3, 1998·16 cites·16 claims
- 3752US6226137B1Voltage bias, current sense preamplifier using no AC-coupling capacitors for a dual strip magnetoresistive readerAGERE SYST GUARDIAN CORP·Filed 1999·Granted May 1, 2001·10 cites·12 claims
- 3852US5812019AOpen-loop MR biasing circuit with high power supply and common mode rejectionVTC INC·Filed 1997·Granted Sep 22, 1998·8 cites·34 claims
- 3952US5721484APower supply filter with active element assistVTC INC·Filed 1996·Granted Feb 24, 1998·12 cites·20 claims
- 4051US5757566ADirect AC-coupled amplifier with improved common mode rejection for MR headsVTC INC·Filed 1996·Granted May 26, 1998·13 cites·18 claims
- 4151US5349253ALogic translator interfacing between five-volt TTL/CMOS and three-volt CMLVTC INC·Filed 1992·Granted Sep 20, 1994·10 cites·30 claims
- 4249US5990710AHigh performance write driver for magnetic inductive recording headVTC INC·Filed 1997·Granted Nov 23, 1999·10 cites·9 claims
- 4346US7068450B2High speed pre-driver with voltage reference for thin film head write driverTEXAS INSTRUMENTS INC·Filed 2004·Granted Jun 27, 2006·4 cites·19 claims
- 4446US5834952AOpen-loop current mode biasing scheme for MR headVTC INC·Filed 1996·Granted Nov 10, 1998·12 cites·24 claims
- 4544US2006176597A1Programmable write head drive de-gaussing circuitNGO TUAN V·Filed 2005·Application pending·0 cites
- 4643US7382560B2Low power servo mode write driverTEXAS INSTRUMENTS INC·Filed 2003·Granted Jun 3, 2008·0 cites·22 claims
- 4743US2021100667A1Braided Stent Processes & Methodologies for Making and Using the Same for Improved Access & OutcomesTREADSTONE HOLDINGS LLC·Filed 2020·Application pending·0 cites
- 4840US7911243B2Driver with programmable power commensurate with data-rateTEXAS INSTRUMENTS INC·Filed 2008·Granted Mar 22, 2011·0 cites·8 claims
- 4938US5886568AOpen-loop MR biasing circuit with high power supply and common mode rejectionVTC INC·Filed 1998·Granted Mar 23, 1999·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Tuan V. Ngo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →