Hirotsugu Nishikawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotosensitive material with x-type metal free phthalocyanin...
- Patent number 5,153,088
- Issue date Oct 6, 1992
- Mita Industrial Co., Ltd.
- Nariaki Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic laminated photosensitive material of positive charging type...
- Patent number 4,968,579
- Issue date Nov 6, 1990
- Mita Industrial Co., Ltd.
- Keizo Kimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic laminated photosensitive material of positive charging type
- Patent number 4,882,253
- Issue date Nov 21, 1989
- Mita Industrial Co., Ltd.
- Yoshiaki Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY