Fumio Okuya

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing roller of monocomponent developing system
- Patent number 5,244,741
- Issue date Sep 14, 1993
- Ricoh Company, Ltd.
- Hisatsugu Nagano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY