Jian-Li Chang

Follow

Person

Taoyuan, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Lead frame structure and manufacturing method thereof
- Patent number 11,984,385
- Issue date May 14, 2024
- Jentech Precision Industrial Co., LTD.
- Jian-Tsai Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of light emitting diode module
- Patent number 11,705,547
- Issue date Jul 18, 2023
- Jentech Precision Industrial Co., LTD.
- Jian-Tsai Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing key-pad having three-dimensional patterns
- Patent number 8,048,356
- Issue date Nov 1, 2011
- Ichia Technologies, Inc.
- Jian-Li Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Keypad assembly having three-dimensional patterns
- Patent number 7,663,071
- Issue date Feb 16, 2010
- Ichia Technologies, Inc.
- Jian-Li Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PACKAGE STRUCTURE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20240355639
- Publication date Oct 24, 2024
- Jentech Precision Industrial Co., LTD.
- Chin-Jui YU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE MODULE AND MANUFACTURING METHOD THEREOF
- Publication number 20230343901
- Publication date Oct 26, 2023
- Jentech Precision Industrial Co., LTD.
- Jian-Tsai CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEAD FRAME STRUCTURE AND MANUFACTURING METHOD THEREOF
- Publication number 20220254705
- Publication date Aug 11, 2022
- Jentech Precision Industrial Co., LTD.
- Jian-Tsai CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE MODULE AND MANUFACTURING METHOD THEREOF
- Publication number 20210367123
- Publication date Nov 25, 2021
- Jentech Precision Industrial Co., LTD.
- Jian-Tsai CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING KEYPAD HAVING THREE-DIMENSIONAL PATTERNS
- Publication number 20090189316
- Publication date Jul 30, 2009
- Jian-Li CHANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL