Yukio Seki

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Kashiwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic carrier of developer for electrophotographic copying machi...
- Patent number 4,898,801
- Issue date Feb 6, 1990
- Fuji Xerox Co., Ltd.
- Hidekiyo Tachibana
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ferrite carriers for electrophotographic development
- Patent number 4,598,034
- Issue date Jul 1, 1986
- Nippon Iron Powder Co., Ltd.
- Toshio Honjo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY