Yukinari Oguma

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mg-based ferrite, an electrophotographic development carrier contai...
- Patent number 7,476,482
- Issue date Jan 13, 2009
- Kanto Denka Kogyo Co., Ltd.
- Hidehiko Iinuma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mg-based ferrite, an electrophotographic development carrier contai...
- Publication number 20070087282
- Publication date Apr 19, 2007
- KANTO DENKA KOGYO CO. LTD.
- Hidehiko Iinuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES