Toyoshi Ohashi

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Chiba, JP

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Patents Grantslast 30 patents

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Dihydroxysilicon compound and electrophotographic photoreceptor con...
- Patent number 6,057,071
- Issue date May 2, 2000
- Mitsubishi Chemical Corporation
- Toyoshi Ohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,804,346
- Issue date Sep 8, 1998
- Mitsubishi Chemical Corporation
- Toyoshi Ohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
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
Photoconductive phthalocyanine composition
- Patent number 5,283,146
- Issue date Feb 1, 1994
- Mitsubishi Petrochemical Co., Ltd.
- Toyoshi Ohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optically functional element
- Patent number 5,032,489
- Issue date Jul 16, 1991
- Kobayashi; Eiichi
- Eiichi Kobayashi
- G11 - INFORMATION STORAGE