Masako Kunita

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Patents Grantslast 30 patents

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Electrophotographic photoconductor having a photosensitive layer of...
- Patent number 4,687,723
- Issue date Aug 18, 1987
- Ricoh Company, Ltd.
- Kohichi Ohshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electrophotographic element having an amorphous silicon photoconductor
- Patent number 4,600,672
- Issue date Jul 15, 1986
- Ricoh Co., Ltd.
- Itaru Fujimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY