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Zheng-Hong LAI
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Taoyuan City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Keyboard device
Patent number
11,735,382
Issue date
Aug 22, 2023
Primax Electronics Ltd.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard and keyswitch
Patent number
11,367,582
Issue date
Jun 21, 2022
Darfon Electronics Corp.
Che-Wei Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Waterproof film and keyboard thereof
Patent number
11,289,288
Issue date
Mar 29, 2022
Darfon Electronics Corp.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating keyboard covering film
Patent number
10,978,261
Issue date
Apr 13, 2021
Darfon Electronics Corp.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard covering film, waterproof keyboard, method for fabricating...
Patent number
10,770,246
Issue date
Sep 8, 2020
Darfon Electronics Corp.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
COVERING STRUCTURE AND METHOD OF FORMING THE SAME
Publication number
20240228846
Publication date
Jul 11, 2024
PRIMAX ELECTRONICS LTD.
Zheng-Hong Lai
B32 - LAYERED PRODUCTS
Information
Patent Application
COVERING STRUCTURE AND METHOD OF FORMING THE SAME
Publication number
20240132762
Publication date
Apr 25, 2024
PRIMAX ELECTRONICS LTD.
Zheng-Hong Lai
B32 - LAYERED PRODUCTS
Information
Patent Application
KEYSWITCH STRUCTURE AND KEYBOARD THEREWITH
Publication number
20230245843
Publication date
Aug 3, 2023
DARFON ELECTRONICS CORP.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEYSWITCH STRUCTURE AND KEYBOARD THEREWITH
Publication number
20220122788
Publication date
Apr 21, 2022
DARFON ELECTRONICS CORP.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEYBOARD AND KEYSWITCH
Publication number
20210225604
Publication date
Jul 22, 2021
DARFON ELECTRONICS CORP.
Che-Wei Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WATERPROOF FILM AND KEYBOARD THEREOF
Publication number
20210193411
Publication date
Jun 24, 2021
DARFON ELECTRONICS CORP.
Zheng-Hong Lai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FABRICATING KEYBOARD COVERING FILM
Publication number
20200303141
Publication date
Sep 24, 2020
DARFON ELECTRONICS CORP.
Zheng-Hong LAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEYBOARD COVERING FILM, WATERPROOF KEYBOARD, METHOD FOR FABRICATING...
Publication number
20180323021
Publication date
Nov 8, 2018
DARFON ELECTRONICS CORP.
Zheng-Hong LAI
H01 - BASIC ELECTRIC ELEMENTS