Inventor
TSAI YA-YI
TW37 patents
⚠️ This page may combine multiple inventors who share the name “TSAI YA-YI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIWAN SEMICONDUCTOR MFG CO LTD
36 patentsUS10535654B2Jan 14, 2020
Cut metal gate with slanted sidewalls
TAIWAN SEMICONDUCTOR MFG CO LTD11 citations85
US11855179B2Dec 26, 2023
Semiconductor devices and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US11527443B2Dec 13, 2022
Residue-free metal gate cutting for fin-like field effect transistor
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US11508582B2Nov 22, 2022
Cut metal gate processes
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations73
US11437287B2Sep 6, 2022
Transistor gates and methods of forming thereof
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US11264287B2Mar 1, 2022
Semiconductor device with cut metal gate and method of manufacture
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations73
US11251284B2Feb 15, 2022
Dummy gate cutting process and resulting gate structures
TAIWAN SEMICONDUCTOR MFG CO LTD4 citations73
US10714347B2Jul 14, 2020
Cut metal gate processes
TAIWAN SEMICONDUCTOR MFG CO LTD3 citations73
US10460994B2Oct 29, 2019
Residue-free metal gate cutting for fin-like field effect transistor
TAIWAN SEMICONDUCTOR MFG CO LTD3 citations73
US11996472B2May 28, 2024
Multi-layer dielectric refill for profile control in semiconductor devices
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations72
US11600718B2Mar 7, 2023
Multi-layer dielectric refill for profile control in semiconductor devices
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations72
US12002715B2Jun 4, 2024
Semiconductor device and method
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations71
US12261172B2Mar 25, 2025
Semiconductor devices and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations63
US12563803B2Feb 24, 2026
Cut metal gate processes
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12389664B2Aug 12, 2025
Transistor gates and methods of forming thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12382650B2Aug 5, 2025
Multi-layer dielectric refill for profile control in semiconductor devices
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12363994B2Jul 15, 2025
Residue-free metal gate cutting for fin-like field effect transistor
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12363976B2Jul 15, 2025
Semiconductor devices and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12206011B2Jan 21, 2025
Dummy gate cutting process and resulting gate structures
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12112990B2Oct 8, 2024
Semiconductor device with cut metal gate and method of manufacture
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12046663B2Jul 23, 2024
Fin field-effect transistor and method of forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11990341B2May 21, 2024
Cut metal gate processes
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11915980B2Feb 27, 2024
Residue-free metal gate cutting for fin-like field effect transistor
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11894277B2Feb 6, 2024
Transistor gates and methods of forming thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11757019B2Sep 12, 2023
Dummy gate cutting process and resulting gate structures
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11652005B2May 16, 2023
Semiconductor device with cut metal gate and method of manufacture
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11626510B2Apr 11, 2023
Fin Field-Effect Transistor and method of forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11616061B2Mar 28, 2023
Cut metal gate with slanted sidewalls
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations62
US11233139B2Jan 25, 2022
Fin field-effect transistor and method of forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US10943828B2Mar 9, 2021
Residue-free metal gate cutting for fin-like field effect transistor
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12402404B2Aug 26, 2025
Semiconductor devices with interface between gate isolation structure and dummy channel having curved profile and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations61
US11715736B2Aug 1, 2023
Semiconductor devices with gate isolation structures and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations61
US10879074B2Dec 29, 2020
Method of forming semiconductor device and semiconductor device
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations61
US12034063B2Jul 9, 2024
Semiconductor devices and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations60
US11791403B2Oct 17, 2023
Semiconductor devices and methods of manufacturing thereof
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations60
US10672613B2Jun 2, 2020
Method of forming semiconductor structure and semiconductor device
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations51