Yuhai REN

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Harmonic oscillator and preparation method thereof, filtering devic...
- Patent number 9,799,941
- Issue date Oct 24, 2017
- Kuang-Chi Innovative Technology Ltd.
- Ruopeng Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HARMONIC OSCILLATOR AND PREPARATION METHOD THEREOF, FILTERING DEVIC...
- Publication number 20150097639
- Publication date Apr 9, 2015
- KUANG-CHI INNOVATIVE TECHNOLOGY LTD.
- Ruopeng LIU
- H01 - BASIC ELECTRIC ELEMENTS