Fawei Chen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Waste toner collecting container and process unit
- Patent number 9,223,288
- Issue date Dec 29, 2015
- Ricoh Company, Ltd.
- Chuanyi Yang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
WASTE TONER COLLECTING CONTAINER AND PROCESS UNIT
- Publication number 20130051882
- Publication date Feb 28, 2013
- Chuanyi Yang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY