CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD FOR MANUFACTURING THE CARRIER CORE PARTICLES

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Feb 7, 2014
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Jun 14, 2010

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Abstract

The carrier core particles for electrophotographic developer include a core composition expressed by a general formula Fe₃O₄as a main ingredient and 30 ppm to 400 ppm Na. Such carrier core particles can reduce environmental dependency thereof, while optimizing the resistivity.

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Patent Owner(s)

Patent Owner	Address
DOWA IP CREATION CO LTD	7 CHIKKO SAKAE-MACHI MINAMI-KU OKAYAMA-SHI OKAYAMA 702-8053

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G03G:ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

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Inventor Name	Address	# of filed Patents	Total Citations
KAWAUCHI, Takeshi	Okayama-City, JP	19	32

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CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD FOR MANUFACTURING THE CARRIER CORE PARTICLES

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United States of America Patent

14175276

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14175276

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