Hung-Chuan CHENG

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Taoyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light source board, manufacturing method thereof, and luminous keyb...
- Patent number 10,895,372
- Issue date Jan 19, 2021
- Darfon Electronics Corp.
- Heng-Yi Huang
- F21 - LIGHTING
Information Patent Grant
Light source board, manufacturing method thereof, and luminous keyb...
- Patent number 10,727,009
- Issue date Jul 28, 2020
- Darfon Electronics Corp.
- Heng-Yi Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source board, manufacturing method thereof, and luminous keyb...
- Patent number 10,692,663
- Issue date Jun 23, 2020
- Darfon Electronics Corp.
- Heng-Yi Huang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE BOARD, MANUFACTURING METHOD THEREOF, AND LUMINOUS KEYB...
- Publication number 20190371537
- Publication date Dec 5, 2019
- DARFON ELECTRONICS CORP.
- Heng-Yi HUANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT SOURCE BOARD, MANUFACTURING METHOD THEREOF, AND LUMINOUS KEYB...
- Publication number 20190368706
- Publication date Dec 5, 2019
- DARFON ELECTRONICS CORP.
- Heng-Yi HUANG
- F21 - LIGHTING
Information Patent Application
LIGHT SOURCE BOARD, MANUFACTURING METHOD THEREOF, AND LUMINOUS KEYB...
- Publication number 20190371538
- Publication date Dec 5, 2019
- DARFON ELECTRONICS CORP.
- Heng-Yi HUANG
- H01 - BASIC ELECTRIC ELEMENTS