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Minoru Chinju
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Kumagaya, JP
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last 30 patents
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Patent Grant
Spherical electrophotographic magnetoplumbite-type hexagonal ferrit...
Patent number
4,623,603
Issue date
Nov 18, 1986
Hitachi Metals, Ltd.
Tsutomu Iimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY