Naoko Akashi

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photosensitive element for electrophotography produced by sublimation
- Patent number 4,431,722
- Issue date Feb 14, 1984
- Konishiroku Photo Industry Co., Ltd.
- Yoshiaki Takei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Layered electrophotographic photosensitive element having hydrazone...
- Patent number 4,424,266
- Issue date Jan 3, 1984
- Konishiroku Photo Industry Co., Ltd.
- Seiji Kurihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Layered electrophotographic photosensitive element having hydrazone...
- Patent number 4,410,615
- Issue date Oct 18, 1983
- Konishiroku Photo Industry Co., Ltd.
- Satoshi Goto
- C07 - ORGANIC CHEMISTRY