Dong-Fu Chen

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Zhubei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic sensing device
- Patent number 11,549,843
- Issue date Jan 10, 2023
- Qian Jun Technology Ltd.
- Yu-Yen Fu
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic sensing device and the manufacturing method thereof
- Patent number 11,476,404
- Issue date Oct 18, 2022
- Qian Jun Technology Ltd.
- Chi-Shen Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultrasonic sensing apparatus
- Patent number 11,079,356
- Issue date Aug 3, 2021
- Qian Jun Technology Ltd.
- Yu-Yen Fu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ULTRASONIC SENSING DEVICE AND THE MANUFACTURING METHOD THEREOF
- Publication number 20200395529
- Publication date Dec 17, 2020
- Qian Jun Technology Ltd.
- Chi-Shen Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ULTRASONIC SENSING APPARATUS
- Publication number 20200393413
- Publication date Dec 17, 2020
- Qian Jun Technology Ltd.
- Yu-Yen Fu
- G01 - MEASURING TESTING
Information Patent Application
ULTRASONIC SENSING DEVICE
- Publication number 20200393292
- Publication date Dec 17, 2020
- Qian Jun Technology Ltd.
- Yu-Yen Fu
- G01 - MEASURING TESTING