Inventor
WANG YI-CHEN
TW48 patents
⚠️ This page may combine multiple inventors who share the name “WANG YI-CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIWAN SEMICONDUCTOR MFG CO LTD
13 patentsUS11996321B2May 28, 2024
Semiconductor structure and method for forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD4 citations74
US11664272B2May 30, 2023
Etch profile control of gate contact opening
TAIWAN SEMICONDUCTOR MFG CO LTD3 citations73
US11961893B2Apr 16, 2024
Contacts for semiconductor devices and methods of forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations72
US12538777B2Jan 27, 2026
Fin field effect transistor (FinFET) having hourglass-shaped via structure on source/drain and method for forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12349395B2Jul 1, 2025
Inter block for recessed contacts and methods forming same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12119386B2Oct 15, 2024
Conductive capping for work function layer and method forming same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12107007B2Oct 1, 2024
Recessed contacts at line end and methods forming same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12107003B2Oct 1, 2024
Etch profile control of gate contact opening
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11967622B2Apr 23, 2024
Inter block for recessed contacts and methods forming same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US11749732B2Sep 5, 2023
Etch profile control of via opening
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations62
US12183633B2Dec 31, 2024
Dielectric cap structure in semiconductor devices and methods of manufacturing the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations59
US11810919B2Nov 7, 2023
Semiconductor device structure with conductive via structure and method for forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations52
US10161060B2Dec 25, 2018
Gas-supply system and method
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations46
PRIMAX ELECTRONICS LTD
11 patentsUS9852854B1Dec 26, 2017
Slim-type keyboard
PRIMAX ELECTRONICS LTD9 citations84
US9984839B2May 29, 2018
Illuminated keyboard
PRIMAX ELECTRONICS LTD4 citations73
US9799467B1Oct 24, 2017
Key structure
PRIMAX ELECTRONICS LTD4 citations73
US9773626B1Sep 26, 2017
Keyboard
PRIMAX ELECTRONICS LTD3 citations73
US9941072B1Apr 10, 2018
Keyboard device
PRIMAX ELECTRONICS LTD2 citations72
US10636592B2Apr 28, 2020
Keyboard device
PRIMAX ELECTRONICS LTD1 citations62
US9899164B1Feb 20, 2018
Luminous keyboard having plural light guide covers corresponding to key structures
PRIMAX ELECTRONICS LTD1 citations52
US9965046B2May 8, 2018
Keyboard and notebook computer with same
PRIMAX ELECTRONICS LTD1 citations51
US9837228B2Dec 5, 2017
Illuminated keyboard with optical switch
PRIMAX ELECTRONICS LTD1 citations51
US9959993B2May 1, 2018
Key connecting module
PRIMAX ELECTRONICS LTD0 citations42
US9741506B1Aug 22, 2017
Keyboard device
PRIMAX ELECTRONICS LTD0 citations42
DARFON ELECTRONICS CORP
5 patentsUS8030585B2Oct 4, 2011
Press-key structure
DARFON ELECTRONICS CORP8 citations84
US7265310B1Sep 4, 2007
Key mechanism
DARFON ELECTRONICS CORP9 citations74
US7709762B2May 4, 2010
Keyboard
DARFON ELECTRONICS CORP2 citations60
US7957126B2Jun 7, 2011
Transmission structure, input device, and data processing system
DARFON ELECTRONICS CORP0 citations52
US7881049B2Feb 1, 2011
Transmission structure, input device, and data processing system
DARFON ELECTRONICS CORP0 citations42
DELTA ELECTRONICS INC
4 patentsUSD631436SJan 25, 2011
Servo motor driver
DELTA ELECTRONICS INC37 citations92
USD623592SSep 14, 2010
Servo motor driver
DELTA ELECTRONICS INC32 citations92
USD621351SAug 10, 2010
Servo motor driver
DELTA ELECTRONICS INC33 citations92
USD621350SAug 10, 2010
Servo motor driver
DELTA ELECTRONICS INC39 citations92
WANG YI-CHEN
3 patentsUS8446122B2May 21, 2013
Electronic device and chargeable keyboard with solar cells located on a keyboard
WANG YI-CHEN2 citations60
US8242937B2Aug 14, 2012
Connecting structure of keyboard appurtenace and keyboard
WANG YI-CHEN0 citations50
US8093523B2Jan 10, 2012
Supporting structure, keyswitch and keyboard
WANG YI-CHEN0 citations50