Yasuyuki Shigematsu

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Patents Grantslast 30 patents

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Phthalocyanine mixed crystal, production method thereof,and electro...
- Patent number 5,595,846
- Issue date Jan 21, 1997
- Mitsubishi Chemical Corporation
- Yasuyuki Shigematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,443,935
- Issue date Aug 22, 1995
- Mitsubishi Petrochemical Co., Ltd.
- Takashi Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic receptor
- Patent number 5,344,733
- Issue date Sep 6, 1994
- Mitsubishi Petrochemical Co., Ltd.
- Shinichi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY