Masahisa Ochiai

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Kumagaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic black toner for electrophotography having Mn-containing he...
- Patent number 7,439,003
- Issue date Oct 21, 2008
- Fuji Xerox Co., Ltd.
- Seijirou Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Magnetic black toner for electrophotography, magnetic two-component...
- Publication number 20060134542
- Publication date Jun 22, 2006
- FUJI XEROX CO., LTD
- Seijirou Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY