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Minolu Fukuda
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Yokohama, JA
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last 30 patents
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Patent Grant
Enlarger-printer
Patent number
4,043,661
Issue date
Aug 23, 1977
Ricoh Co., Ltd.
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Reader-printer apparatus with multiple supply rolls and charging de...
Patent number
3,992,089
Issue date
Nov 16, 1976
Ricoh Co., Ltd.
Hiroshi Hirose
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY