Inventor
ZHANG QINTAO
US83 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG QINTAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
28 patentsUS9842835B1Dec 12, 2017
High density nanosheet diodes
IBM315 citations99
US10243054B1Mar 26, 2019
Integrating standard-gate and extended-gate nanosheet transistors on the same substrate
IBM64 citations98
US9881998B1Jan 30, 2018
Stacked nanosheet field effect transistor device with substrate isolation
IBM70 citations98
US9627511B1Apr 18, 2017
Vertical transistor having uniform bottom spacers
IBM52 citations98
US10141403B1Nov 27, 2018
Integrating thin and thick gate dielectric nanosheet transistors on same chip
IBM40 citations94
US9991254B1Jun 5, 2018
Forming horizontal bipolar junction transistor compatible with nanosheets
IBM28 citations94
US9935014B1Apr 3, 2018
Nanosheet transistors having different gate dielectric thicknesses on the same chip
IBM35 citations94
US9728621B1Aug 8, 2017
iFinFET
IBM23 citations94
US9653480B1May 16, 2017
Nanosheet capacitor
IBM16 citations93
US10504890B2Dec 10, 2019
High density nanosheet diodes
IBM7 citations84
US10396169B2Aug 27, 2019
Nanosheet transistors having different gate dielectric thicknesses on the same chip
IBM8 citations84
US10269790B2Apr 23, 2019
Forming horizontal bipolar junction transistor compatible with nanosheets
IBM6 citations84
US10229920B1Mar 12, 2019
One-time programmable vertical field-effect transistor
IBM7 citations84
US9917090B1Mar 13, 2018
Vertical antifuse structures
IBM7 citations84
US9799647B1Oct 24, 2017
Integrated device with P-I-N diodes and vertical field effect transistors
IBM10 citations84
US9768166B1Sep 19, 2017
Integrated LDMOS and VFET transistors
IBM8 citations84
US9171935B2Oct 27, 2015
FinFET formation with late fin reveal
IBM9 citations83
US10249709B2Apr 2, 2019
Stacked nanosheet field effect transistor device with substrate isolation
IBM5 citations73
US10249539B2Apr 2, 2019
Nanosheet transistors having different gate dielectric thicknesses on the same chip
IBM1 citations73
US10236381B2Mar 19, 2019
IFinFET
IBM3 citations73
US10229919B2Mar 12, 2019
Vertical field effect transistor including integrated antifuse
IBM1 citations73
US10224329B2Mar 5, 2019
Forming gates with varying length using sidewall image transfer
IBM1 citations73
US10157935B2Dec 18, 2018
Nanosheet capacitor
IBM4 citations73
US10032909B2Jul 24, 2018
Vertical transistor having uniform bottom spacers
IBM3 citations73
US11398347B2Jul 26, 2022
Inductor with ferromagnetic cores
IBM0 citations63
US11037725B2Jun 15, 2021
Manufacturing method for inductor with ferromagnetic cores
IBM0 citations63
US10615159B2Apr 7, 2020
Integrated LDMOS and VFET transistors
IBM1 citations63
US9793270B1Oct 17, 2017
Forming gates with varying length using sidewall image transfer
IBM1 citations63
APPLIED MATERIALS INC
18 patentsUS11430877B2Aug 30, 2022
Ion implantation to reduce nanosheet gate length variation
APPLIED MATERIALS INC2 citations71
US11699570B1Jul 11, 2023
System and method for hi-precision ion implantation
APPLIED MATERIALS INC3 citations69
US11201057B2Dec 14, 2021
Techniques and apparatus for anisotropic stress compensation in substrates using ion implantation
APPLIED MATERIALS INC3 citations69
US12424482B2Sep 23, 2025
Selective implantation into STI of ETSOI device
APPLIED MATERIALS INC0 citations63
US11948799B2Apr 2, 2024
Minority carrier lifetime reduction for SiC IGBT devices
APPLIED MATERIALS INC0 citations63
US11881405B2Jan 23, 2024
Methods for forming N-type buried layer in a substrate by performing non-doping implant through oxide layer formed over the substrate
APPLIED MATERIALS INC0 citations63
US11694897B2Jul 4, 2023
Backside wafer dopant activation
APPLIED MATERIALS INC0 citations63
US11444153B2Sep 13, 2022
Method of forming stress memorization layer on backside of semiconductor substrate and semiconductor device thereof
APPLIED MATERIALS INC0 citations63
US12532451B2Jan 20, 2026
DRAM transistor including horizonal body contact
APPLIED MATERIALS INC0 citations62
US12532450B2Jan 20, 2026
Method of forming a 4F2 DRAM including buried bitline
APPLIED MATERIALS INC0 citations62
US12457731B2Oct 28, 2025
Bottom contact formation for 4F2 vertical DRAM
APPLIED MATERIALS INC0 citations62
US12369312B2Jul 22, 2025
Vertical FinFet formation using directional deposition
APPLIED MATERIALS INC0 citations62
US12347687B2Jul 1, 2025
Etch rate modulation of FinFET through high-temperature ion implantation
APPLIED MATERIALS INC1 citations62
US12308237B2May 20, 2025
Ion implantation to increase MOSFET threshold voltage
APPLIED MATERIALS INC0 citations62
US11610972B2Mar 21, 2023
Technique for reducing gate induced drain leakage in DRAM cells
APPLIED MATERIALS INC0 citations62
US11538925B2Dec 27, 2022
Ion implantation to form step-oxide trench MOSFET
APPLIED MATERIALS INC0 citations62
US11424125B2Aug 23, 2022
Angled ion implant to reduce MOSFET trench sidewall roughness
APPLIED MATERIALS INC0 citations62
US10930508B2Feb 23, 2021
Replacement metal gate formation of PMOS ultra-low voltage devices using a thermal implant
APPLIED MATERIALS INC0 citations62
SAMSUNG ELECTRONICS CO LTD
2 patentsBROADCOM CORP
1 patentAVAGO TECHNOLOGIES GENERAL IP
1 patentShowing the top 50 of 83 patents by PatentIndex Score.