Osamu Suda

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Ohmiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic photoconductive material and a photosensitive material for...
- Patent number 5,569,749
- Issue date Oct 29, 1996
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Hisao Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoconductive material and a photosensitive material for...
- Patent number 5,506,346
- Issue date Apr 9, 1996
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Hisao Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Disazo electrophotographic photoreceptor
- Patent number 5,344,736
- Issue date Sep 6, 1994
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Nakaji Komiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor having an azo compound
- Patent number 4,931,349
- Issue date Jun 5, 1990
- Dainichiseika Color & Chemicals Mfg. Co.
- Masaru Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor comprising azo compound and coupler
- Patent number 4,912,001
- Issue date Mar 27, 1990
- Dainichi Seika Color & Chemicals Mfg. Co., Ltd.
- Hisao Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY