Ji-Huang Chen

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Tau-Wen, TW

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Patents Grantslast 30 patents

Information Patent Grant
Keyswitch
- Patent number 9,099,261
- Issue date Aug 4, 2015
- Darfon Electronics Corp.
- Chien-Shih Hsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyswitch
- Patent number 9,064,651
- Issue date Jun 23, 2015
- Darfon Electronics Corp.
- Chien-Shih Hsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Leg direction-control mini-tricycle
- Patent number 6,848,699
- Issue date Feb 1, 2005
- Ji-Huang Chen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
KEYSWITCH
- Publication number 20140339061
- Publication date Nov 20, 2014
- Chien-Shih Hsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
KEYSWITCH
- Publication number 20140151204
- Publication date Jun 5, 2014
- Darfon Electronics Corp.
- Ji-Huang Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
KEYSWITCH
- Publication number 20130126323
- Publication date May 23, 2013
- Chien-Shih Hsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FOLDABLE KEYBOARD
- Publication number 20070290890
- Publication date Dec 20, 2007
- Darfon Electronics Corp.
- Ji-Huang Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic apparatus
- Publication number 20070132732
- Publication date Jun 14, 2007
- Darfon Electronics Corp.
- Ji Huang Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Foldable bike capable of standing and being pulled after folded
- Publication number 20050151345
- Publication date Jul 14, 2005
- Ji-Huang Chen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Leg direction-control mini-tricycle
- Publication number 20020180177
- Publication date Dec 5, 2002
- Ji-Huang Chen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS