Yonggang He

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge
- Patent number 9,639,027
- Issue date May 2, 2017
- Print-Rite•Unicorn Image Products Co., Ltd. of Zhuhai
- Yonggang He
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Toner Cartridge
- Publication number 20160320723
- Publication date Nov 3, 2016
- Yonggang HE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY