Yong-ju Cheon

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Developing cartridge, image forming apparatus, and method of mounti...
- Patent number 8,457,524
- Issue date Jun 4, 2013
- Samsung Electronics Co., Ltd.
- Yong-ju Cheon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, image forming apparatus having the same, and...
- Patent number 7,751,745
- Issue date Jul 6, 2010
- Samsung Electronics Co. Ltd.
- Joo-hwan Noh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for printer
- Patent number D600276
- Issue date Sep 15, 2009
- Samsung Electronics Co., Ltd.
- Joo-Hwan Noh
- D18 - Printing and office machinery

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING CARTRIDGE, IMAGE FORMING APPARATUS, AND METHOD OF MOUNTI...
- Publication number 20090087218
- Publication date Apr 2, 2009
- Samsung Electronics Co., Ltd.
- Yong-ju Cheon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, IMAGE FORMING APPARATUS HAVING THE SAME, AND...
- Publication number 20090022512
- Publication date Jan 22, 2009
- Samsung Electronics Co., Ltd.
- Joo-hwan NOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY