Jingyi Hu

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Shenzhen city, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hand-cranked pencil sharpeners
- Patent number 8,459,317
- Issue date Jun 11, 2013
- Yurisheng Electronic (Shenzhen) Co., Ltd
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Electric pencil sharpener
- Patent number 7,726,365
- Issue date Jun 1, 2010
- Ringsun (Shenzhen) Industrial Limited
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automatic pencil sharpener
- Patent number 7,240,703
- Issue date Jul 10, 2007
- Ringsun (Shenzhen) Industrial Limited
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Hand-Cranked Pencil Sharpeners
- Publication number 20110226383
- Publication date Sep 22, 2011
- Yurisheng Electronic (Shenzhen) Co., Ltd.
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Electric pencil sharpener
- Publication number 20090000695
- Publication date Jan 1, 2009
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Electric pencil sharpener
- Publication number 20080060720
- Publication date Mar 13, 2008
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Automatic pencil sharpener
- Publication number 20060272743
- Publication date Dec 7, 2006
- Jingyi Hu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES