Tomohito CHOKAN

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photoreceptor for electrophotography and image forming apparatus em...
- Patent number 10,261,430
- Issue date Apr 16, 2019
- Samsung Electronics Co., Ltd.
- Tomohito Chokan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoconductor and electrophotographic apparatus and proces...
- Patent number 9,651,878
- Issue date May 16, 2017
- Samsung Electronics Co., Ltd.
- Manabu Takezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoreceptor, and electrophotographic cartridge and electr...
- Patent number 9,594,317
- Issue date Mar 14, 2017
- Samsung Electronics Co., Ltd.
- Manabu Takezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoconductor and electrophotographic apparatus and proces...
- Patent number 9,507,281
- Issue date Nov 29, 2016
- Samsung Electronics Co., Ltd.
- Manabu Takezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Semiconductor memory device and method of operating the same
- Patent number 8,625,355
- Issue date Jan 7, 2014
- Samsung Electronics Co., Ltd.
- Tomohito Chokan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY AND IMAGE FORMING APPARATUS EM...
- Publication number 20170205718
- Publication date Jul 20, 2017
- Samsung Electronics Co., Ltd.
- Tomohito CHOKAN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ORGANIC PHOTOCONDUCTOR AND ELECTROPHOTOGRAPHIC APPARATUS AND PROCES...
- Publication number 20160187793
- Publication date Jun 30, 2016
- Samsung Electronics Co., Ltd.
- Manabu TAKEZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ORGANIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC CARTRIDGE AND ELECTR...
- Publication number 20150192869
- Publication date Jul 9, 2015
- Samsung Electronics Co., Ltd.
- Manabu TAKEZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND METHOD OF OPERATING THE SAME
- Publication number 20120155186
- Publication date Jun 21, 2012
- Samsung Electronics Co., Ltd.
- Tomohito Chokan
- G11 - INFORMATION STORAGE