Takashi Ishizuka

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing replenisher material for use in image forming device
- Patent number 4,860,050
- Issue date Aug 22, 1989
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY