Patents by Inventor Mayuko Ushiro
Mayuko Ushiro 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: 8668846Abstract: A dye-sensitized photoelectric conversion element, comprises a pair of electrodes arranged opposite to each other; a semiconductor layer including a semiconductor supporting a sensitizing dye; and an electrolyte layer. At least the semiconductor layer and the electrolyte layer are provided between the pair of electrodes, and the sensitizing dye contains a compound represented by the following Formula (1).Type: GrantFiled: April 23, 2010Date of Patent: March 11, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hidekazu Kawasaki, Akihiko Itami, Kazuya Isobe, Hideya Miwa, Kazukuni Nishimura, Mayuko Ushiro
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Patent number: 8518616Abstract: Reduced can be interferential streaks produced in a halftone image when using a photoreceptor support (also called a drawn tube) having been subjected to tool bit cutting processing, and provided can be an electrophotographic photoreceptor capable of obtaining high quality in response to the light printing field or the like and an image forming method employing the electrophotographic photoreceptor. Also disclosed is an electrophotographic photoreceptor possessing a cylindrical support and provided thereon, a photosensitive layer, the cylindrical support possessing a processing profile regularly formed along a central axis, provided on a circumferential surface of the cylindrical support, wherein the processing profile satisfies Formula 1: Formula 1 ?L?10 ?m, where ?L, represents a difference between a processing period width and another processing period width in a central axis direction of the cylindrical support in an image region.Type: GrantFiled: February 24, 2011Date of Patent: August 27, 2013Assignee: Konica Minolta Business Technologies, Inc.Inventors: Tomoo Sakimura, Naoki Nozaki, Teruo Sasaki, Mayuko Ushiro
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Patent number: 8471143Abstract: Provided is a photoelectric conversion element containing a pair of opposite electrodes having therebetween: a semiconductor layer containing a sensitizing dye which is supported by a semiconductor; and a charge transport layer, wherein the sensitizing dye is a compound represented by Formula (1),Type: GrantFiled: April 23, 2010Date of Patent: June 25, 2013Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hidekazu Kawasaki, Akihiko Itami, Kazuya Isobe, Hideya Miwa, Kazukuni Nishimura, Mayuko Ushiro
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Patent number: 8410356Abstract: Provided is a photoelectric conversion element for which a novel compound (dye) exhibiting excellent adsorption to an oxide semiconductor and exhibiting high photoelectric conversion efficiency is used, and also provided is a solar cell employing the photoelectric conversion element. Disclosed is a dye-sensitizing type photoelectric conversion element possessing at least a pair of facing electrodes, a semiconductor layer possessing a semiconductor and a sensitizing dye supported on the semiconductor, and a charge transport layer, wherein the semiconductor layer and the charge transport layer are provided between the facing electrodes, and wherein the sensitizing dye comprises a compound represented by the following Formula (1).Type: GrantFiled: April 13, 2010Date of Patent: April 2, 2013Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hidekazu Kawasaki, Akihiko Itami, Kazuya Isobe, Hideya Miwa, Kazukuni Nishimura, Mayuko Ushiro
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Patent number: 8395041Abstract: Disclosed is a photoelectric conversion element comprising a conductive support and provided thereon, a semiconductor layer, a charge transporting layer and an opposed electrode, the semiconductor layer comprising a semiconductor with a dye, wherein the dye is a compound represented by the following formula (1).Type: GrantFiled: April 12, 2010Date of Patent: March 12, 2013Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hidekazu Kawasaki, Akihiko Itami, Kazuya Isobe, Hideya Miwa, Kazukuni Nishimura, Mayuko Ushiro
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Patent number: 8247687Abstract: Provided are a newly developed dye-sensitizing type photoelectric conversion element employing a highly durable sensitizing dye, exhibiting high photoelectric conversion efficiency, and a solar cell fitted with the photoelectric conversion element. Also disclosed is a photoelectric conversion element comprising a compound represented by Formula (1) between a pair of facing electrodes.Type: GrantFiled: April 2, 2009Date of Patent: August 21, 2012Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hideya Miwa, Akihiko Itami, Kazuya Isobe, Kazukuni Nishimura, Hidekazu Kawasaki, Mayuko Ushiro
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Publication number: 20110217641Abstract: Reduced can be interferential streaks produced in a halftone image when using a photoreceptor support (also called a drawn tube) having been subjected to tool bit cutting processing, and provided can be an electrophotographic photoreceptor capable of obtaining high quality in response to the light printing field or the like and an image forming method employing the electrophotographic photoreceptor. Also disclosed is an electrophotographic photoreceptor possessing a cylindrical support and provided thereon, a photosensitive layer, the cylindrical support possessing a processing profile regularly fanned along a central axis, provided on a circumferential surface of the cylindrical support, wherein the processing profile satisfies Formula 1: Formula 1 ?L?10 ?m, where ?L, represents a difference between a processing period width and another processing period width in a central axis direction of the cylindrical support in an image region.Type: ApplicationFiled: February 24, 2011Publication date: September 8, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Tomoo SAKIMURA, Naoki NOZAKI, Hisashi NOZAKI, Toshiko NOZAKI, Teruo SASAKI, Mayuko USHIRO
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Publication number: 20100294368Abstract: A photoelectric conversion element having a semiconductor layer and a charge transfer layer provided between a first electrode and a second electrode is disclosed, and the semiconductor layer has light absorption in an absorption wavelength region at least 350 to 1,000 nm and has light transmission in the absorption wavelength region of the semiconductor, the charge transfer layer comprises a charge transfer complex formed by an electron-donating compound and an electron-accepting compound, and the charge-transfer complex has an absorption wavelength in the transmission wavelength of the semiconductor layer.Type: ApplicationFiled: May 13, 2010Publication date: November 25, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Mayuko USHIRO, Akihiko ITAMI, Kazuya ISOBE, Hideya MIWA, Kazukuni NISHIMURA, Hidekazu KAWASAKI
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Publication number: 20100288360Abstract: Disclosed is a photoelectric conversion element comprising a conductive support and provided thereon, a semiconductor layer, a charge transporting layer and an opposed electrode, the semiconductor layer comprising a semiconductor with a dye, wherein the dye is a compound represented by the following formula (1).Type: ApplicationFiled: April 12, 2010Publication date: November 18, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hidekazu KAWASAKI, Akihiko ITAMI, Kazuya ISOBE, Hideya MIWA, Kazukuni NISHIMURA, Mayuko USHIRO
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Publication number: 20100282322Abstract: Provided is a photoelectric conversion element containing a pair of opposite electrodes having therebetween: a semiconductor layer containing a sensitizing dye which is supported by a semiconductor; and a charge transport layer, wherein the sensitizing dye is a compound represented by Formula (1),Type: ApplicationFiled: April 23, 2010Publication date: November 11, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hidekazu KAWASAKI, Akihiko ITAMI, Kazuya ISOBE, Hideya MIWA, Kazukuni NISHIMURA, Mayuko USHIRO
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Publication number: 20100275988Abstract: A dye-sensitized photoelectric conversion element, comprises a pair of electrodes arranged opposite to each other; a semiconductor layer including a semiconductor supporting a sensitizing dye; and an electrolyte layer. At least the semiconductor layer and the electrolyte layer are provided between the pair of electrodes, and the sensitizing dye contains a compound represented by the following Formula (1).Type: ApplicationFiled: April 23, 2010Publication date: November 4, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hidekazu KAWASAKI, Akihiko ITAMI, Kazuya ISOBE, Hideya MIWA, Kazukuni NISHIMURA, Mayuko USHIRO
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Publication number: 20100263726Abstract: Provided is a photoelectric conversion element for which a novel compound (dye) exhibiting excellent adsorption to an oxide semiconductor and exhibiting high photoelectric conversion efficiency is used, and also provided is a solar cell employing the photoelectric conversion element. Disclosed is a dye-sensitizing type photoelectric conversion element possessing at least a pair of facing electrodes, a semiconductor layer possessing a semiconductor and a sensitizing dye supported on the semiconductor, and a charge transport layer, wherein the semiconductor layer and the charge transport layer are provided between the facing electrodes, and wherein the sensitizing dye comprises a compound represented by the following Formula (1).Type: ApplicationFiled: April 13, 2010Publication date: October 21, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hidekazu KAWASAKI, Akihiko ITAMI, Kazuya ISOBE, Hideya MIWA, Kazukuni NISHIMURA, Mayuko USHIRO
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Publication number: 20090250115Abstract: Provided are a newly developed dye-sensitizing type photoelectric conversion element employing a highly durable sensitizing dye, exhibiting high photoelectric conversion efficiency, and a solar cell fitted with the photoelectric conversion element. Also disclosed is a photoelectric conversion element comprising a compound represented by Formula (1) between a pair of facing electrodes.Type: ApplicationFiled: April 2, 2009Publication date: October 8, 2009Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Hideya MIWA, Akihiko ITAMI, Kazuya ISOBE, Kazukuni NISHIMURA, Hidekazu KAWASAKI, Mayuko USHIRO