Patents by Inventor Yoshio Tsuezuki
Yoshio Tsuezuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4720443Abstract: A light-receiving member comprises a substrate for light-receiving member and a light-receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms, a second layer comprising an amorphous material containing silicon atoms and exhibiting a photoconductivity, and a surface layer comprising an amorphous material containing silicon atoms and carbon atoms provided on the substrate successively from the substrate side, said light-receiving layer having at least one pair of nonparallel interfaces within a short range and said nonparallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction.Type: GrantFiled: March 29, 1985Date of Patent: January 19, 1988Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4705731Abstract: A light-receiving member comprises a substrate having a large number of protruding portions on a surface thereof, each of said protruding portions having at a predetermined cut position a sectional shape comprising a main projection and a subprojection, the main projection and the subprojection overlapping each other, and a light-receiving layer with a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms, a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity, and a surface layer having the reflection preventive function provided successively from the substrate side, said light-receiving layer containing at least one selected from oxygen atoms, carbon atoms and nitrogen atoms.Type: GrantFiled: June 3, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4705732Abstract: A light-receiving member comprises a substrate having a large number of protruding portions on a surface thereof, each of said protruding portions having at a predetermined cut position a sectional shape comprising a main projection and a subprojection, the main projection and the subprojection overlapping each other, and a light-receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms and a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity provided on said substrate successively from the substrate side.Type: GrantFiled: April 24, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4705730Abstract: A light-receiving member comprises a substrate having a large number of projection parts, whose cross-sectional shape at a given cross-sectional position is a projection shape formed of a main peak and an auxiliary peak as overlapped, on the surface of the substrate, and a light-receiving layer comprising a layer containing an amorphous material including silicon atoms, at least one part of the layer region of the layer being photosensitive, and a surface layer having a reflection-preventive function.An electrophotographic system comprises the above-mentioned light-receiving member.Type: GrantFiled: May 31, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4705733Abstract: A substrate for light-receiving members has a large number of protruding portions on a surface thereof, each of said protruding portions having at a predetermined cut position a sectional shape comprising a main projection and a subprojection, the main projection and the subprojection overlapping each other.Type: GrantFiled: April 22, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4705734Abstract: A light-receiving member comprises a substrate having a large number of protruding portions on a surface thereof, each of said protruding portions having at a predetermined cut position a sectional shape comprising a main projection and a subprojection, the main projection and the subprojection overlapping each other, and a light-receiving layer comprising a layer comprising an amorphous material containing silicon atoms, at least a part of the layer region of which has photosensitivity and a surface layer comprising an amorphous material containing silicon atoms and carbon atoms.Type: GrantFiled: June 30, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4705735Abstract: A light-receiving member comprises a substrate having a large number of protruding portions on a surface thereof, each of said protruding portions having at a predetermined cut position a sectional shape comprising a main projection and a subprojection, the main projection and the subprojection overlapping each other, and a light-receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms, a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity and a surface layer having reflection preventive function provided on the substrate successively from the substrate side.Type: GrantFiled: June 4, 1985Date of Patent: November 10, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4701392Abstract: A light receiving member comprises a substrate for light receiving member, a surface layer having reflection preventive function and a light receiving layer of a multi-layer structure having at least one photosensitive layer comprising an amorphous material containing silicon atoms on the substrate, said light receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction.Type: GrantFiled: April 4, 1985Date of Patent: October 20, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4701393Abstract: A light receiving member comprises a light receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms, a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity and a surface layer having reflection preventive function provided on a substrate successively from the substrate side, said light receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction.Type: GrantFiled: April 4, 1985Date of Patent: October 20, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4696884Abstract: A light-receiving member comprises a light-receiving layer of a multi-layer structure having at least one photosensitive layer on a substrate, said photosensitive layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction, each of said non-parallel interfaces being smoothly continuous in the direction in which they are arranged.Type: GrantFiled: February 26, 1985Date of Patent: September 29, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4696883Abstract: A light-receiving member comprises a substrate and a light-receiving layer of a multi-layer structure having at least one photosensitive layer and a surface layer having reflection preventive function provided successively from the substrate side; said light-receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction; said non-parallel interfaces being connected to one another smoothly in the direction in which they are arranged.Type: GrantFiled: July 8, 1985Date of Patent: September 29, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4696881Abstract: A light-receiving member comprises a substrate and a light-receiving layer of a multi-layer structure having at least one photosensitive layer and a surface layer comprising an morphous material containing silicon atoms and carbon atoms, said light-receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction, said non-parallel interfaces being connected to one another smoothly in the direction in which they are arranged.Type: GrantFiled: July 8, 1985Date of Patent: September 29, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4696882Abstract: A light-receiving member comprises a substrate and a light-receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms and a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity provided successively from the substrate side, said light-receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being aranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction, said non-parallel interfaces being connected to one another smoothly in the direction in which they are arranged.Type: GrantFiled: July 8, 1985Date of Patent: September 29, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Tetsuo Sueda, Kyosuke Ogawa, Teruo Misumi, Yoshio Tsuezuki, Masahiro Kanai
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Patent number: 4678733Abstract: A light receiving member comprises a light receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms, a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity and a surface layer having reflection preventive function provided on a substrate successively from the substrate side, said light receiving layer containing at least one selected from oxygen atoms, carbon atoms and nitrogen atoms and having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction.Type: GrantFiled: October 11, 1985Date of Patent: July 7, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4675263Abstract: A light-receiving member comprises light-receiving layer of a multi-layer structure having a first layer comprising an amorphous material containing silicon atoms and germanium atoms and a second layer comprising an amorphous material containing silicon atoms and exhibiting photoconductivity provided on a substrate successively from the substrate side, said light-receiving layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within the plane perpendicular to the layer thickness direction.Type: GrantFiled: March 8, 1985Date of Patent: June 23, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa
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Patent number: 4650736Abstract: A light receiving member comprises a light receiving layer of a multi-layer structure having at least one photosensitive layer comprising an amorphous material containing silicon atoms on a substrate, said photosensitive layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within a plane perpendicular to the layer thickness direction.Type: GrantFiled: February 8, 1985Date of Patent: March 17, 1987Assignee: Canon Kabushiki KaishaInventors: Keishi Saitoh, Masahiro Kanai, Tetsuo Sueda, Teruo Misumi, Yoshio Tsuezuki, Kyosuke Ogawa