Patents by Inventor Hideaki Ohara
Hideaki Ohara 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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Publication number: 20200326650Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of from 0 to 1.08 for a (111) plane, from 1.42 to 4.25 for a (200) plane, and from 0.07 to 0.69 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.Type: ApplicationFiled: January 9, 2020Publication date: October 15, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Tomoko SUZUKI, Yusuke WATANABE, Tomotake INAGAKI, Hideaki OHARA
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Patent number: 10802433Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has an average crystal grain size of 0.15 ?m to 0.19 ?m; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.Type: GrantFiled: January 23, 2020Date of Patent: October 13, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Yusuke Watanabe, Tomoko Suzuki, Tomotake Inagaki, Hideaki Ohara, Ryohei Yoshikawa
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Patent number: 10802432Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of from 0 to 1.08 for a (111) plane, from 1.42 to 4.25 for a (200) plane, and from 0.07 to 0.69 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.Type: GrantFiled: January 9, 2020Date of Patent: October 13, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Tomoko Suzuki, Yusuke Watanabe, Tomotake Inagaki, Hideaki Ohara
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Patent number: 9459570Abstract: A fixing device includes a fixing member that fixes a toner image to a recording medium, a pressure member that forms, together with the fixing member, a pressure portion through which the recording medium carrying the toner image yet to be fixed passes, and a heating member including a heating layer that generates heat when energized and an insulating layer that encloses the heating layer so as to electrically insulate the heating layer. The heating member has a curved shape along an inner peripheral surface of the fixing member, in a state in which no external force is applied, and is in contact with the inner peripheral surface of the fixing member.Type: GrantFiled: February 25, 2014Date of Patent: October 4, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Mikio Saiki, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Atsumi Kurita, Hideaki Ohara, Hiromi Nagai, Nobuyoshi Komatsu
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Patent number: 9235171Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.Type: GrantFiled: May 8, 2014Date of Patent: January 12, 2016Assignee: FUJI XEROX CO., LTDInventors: Hideaki Ohara, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Mikio Saiki, Hiromi Nagai, Nobuyoshi Komatsu, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
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Patent number: 9217971Abstract: A fixing device includes a rotatable endless fixing member that fixes a toner image onto a recording medium, and a heating member. The heating member includes a heat-generating layer that generates heat when supplied with electricity; an insulation layer that encloses the heat-generating layer therein to electrically insulate the heat-generating layer; a metallic layer that is laminated on a first surface of the insulation layer, has higher rigidity than the insulation layer, and generates an elastic restoring force; and a thermally conductive layer that is laminated on a second surface of the insulation layer, has lower rigidity than the metallic layer, and has higher thermal conductivity than the insulation layer and the metallic layer. The heating member is supported by one edge of the fixing member in a circumferential direction thereof, elastically deforms by being pressed against an inner peripheral surface of the fixing member, and heats the fixing member.Type: GrantFiled: February 5, 2015Date of Patent: December 22, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Mitsuhiro Matsumoto, Hideaki Ohara, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
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Patent number: 9141053Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.Type: GrantFiled: May 8, 2014Date of Patent: September 22, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Mitsuhiro Matsumoto, Yasuhiro Uehara, Kazuyoshi Ito, Hideaki Ohara, Mikio Saiki, Hiroki Murakami, Kimiyuki Kawakami, Junji Okada, Tadashi Suto
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Patent number: 9122214Abstract: Provided is a fixing device including a fixing member that fixes a toner image onto a recording material, a pressurizing member that forms a pressurizing portion, in cooperation with the fixing member, through which the recording material holding a non-fixed toner image passes, a heating member that includes a heat generating portion having a predetermined pattern shape and being energized to generate heat, and heats the fixing member, a supporting member that supports the heating member along an inner circumferential surface of the fixing member, and a thermal diffusion member that faces the supporting member with interposing the heating member, and diffuses heat from the heating member and conducts the heat to the fixing member.Type: GrantFiled: May 19, 2014Date of Patent: September 1, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Mitsuhiro Matsumoto, Hideaki Ohara, Nobuyoshi Komatsu, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki, Hiromi Nagai
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Patent number: 9098039Abstract: A roller-shaped rotator includes an endless belt and a roller-shaped base member. The roller-shaped base member is formed by winding a thin plate material plural times through elastic deformation into a roller shape. The roller-shaped base member is inserted into the endless belt, and brought into press contact with an inner peripheral surface of the belt by an elastic repulsive force due to the deformation. The roller-shaped base member is supported at both end portions in an axial direction so as to be rotatable about an axis of the roller-shaped base member.Type: GrantFiled: July 29, 2014Date of Patent: August 4, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Yasuhiro Uehara, Mitsuhiro Matsumoto, Mikio Saiki, Kazuyoshi Ito, Hideaki Ohara
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Publication number: 20150160590Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.Type: ApplicationFiled: May 8, 2014Publication date: June 11, 2015Applicant: FUJI XEROX CO., LTD.Inventors: Mitsuhiro MATSUMOTO, Yasuhiro UEHARA, Kazuyoshi ITO, Hideaki OHARA, Mikio SAIKI, Hiroki MURAKAMI, Kimiyuki KAWAKAMI, Junji OKADA, Tadashi SUTO
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Publication number: 20150125191Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.Type: ApplicationFiled: May 8, 2014Publication date: May 7, 2015Applicant: FUJI XEROX CO., LTDInventors: Hideaki OHARA, Mitsuhiro MATSUMOTO, Kazuyoshi ITO, Yasuhiro UEHARA, Mikio SAIKI, Hiromi NAGAI, Nobuyoshi KOMATSU, Hiroki MURAKAMI, Junji OKADA, Kimiyuki KAWAKAMI, Tadashi SUTO
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Publication number: 20150110530Abstract: Provided is a fixing device including a fixing belt that is formed in an endless shape, is driven to rotate, and includes an outer circumferential surface pressed to a recording sheet holding a toner image, and a thin plate shaped heating member that contacts with an inner circumferential surface of the fixing belt to generate heat and heats the fixing belt, wherein the heating member is supported to be fixed at one end portion in a circumferential direction of the fixing belt, contacts with the fixing belt along the circumferential direction, is elastically deformed so that a shape of the heating member is restrained by the fixing belt, and is pressed to the circumferential surface of the fixing belt by an elastic repulsive force.Type: ApplicationFiled: June 6, 2014Publication date: April 23, 2015Applicant: FUJI XEROX CO., LTD.Inventors: Yasuhiro UEHARA, Mitsuhiro MATSUMOTO, Kazuyoshi ITO, Mikio SAIKI, Hideaki OHARA
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Publication number: 20150098737Abstract: Provided is a fixing device including a fixing member that fixes a toner image onto a recording material, a pressurizing member that forms a pressurizing portion, in cooperation with the fixing member, through which the recording material holding a non-fixed toner image passes, a heating member that includes a heat generating portion having a predetermined pattern shape and being energized to generate heat, and heats the fixing member, a supporting member that supports the heating member along an inner circumferential surface of the fixing member, and a thermal diffusion member that faces the supporting member with interposing the heating member, and diffuses heat from the heating member and conducts the heat to the fixing member.Type: ApplicationFiled: May 19, 2014Publication date: April 9, 2015Applicant: FUJI XEROX CO., LTD.Inventors: Mitsuhiro MATSUMOTO, Hideaki OHARA, Nobuyoshi KOMATSU, Yasuhiro UEHARA, Kazuyoshi ITO, Mikio SAIKI, Hiromi NAGAI
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Publication number: 20150030360Abstract: A fixing device includes a fixing member that fixes a toner image to a recording medium, a pressure member that forms, together with the fixing member, a pressure portion through which the recording medium carrying the toner image yet to be fixed passes, and a heating member including a heating layer that generates heat when energized and an insulating layer that encloses the heating layer so as to electrically insulate the heating layer. The heating member has a curved shape along an inner peripheral surface of the fixing member, in a state in which no external force is applied, and is in contact with the inner peripheral surface of the fixing member.Type: ApplicationFiled: February 25, 2014Publication date: January 29, 2015Applicant: FUJI XEROX CO., LTD.Inventors: Mikio SAIKI, Mitsuhiro MATSUMOTO, Kazuyoshi ITO, Yasuhiro UEHARA, Atsumi KURITA, Hideaki OHARA, Hiromi NAGAI, Nobuyoshi KOMATSU
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Publication number: 20120093546Abstract: A fixing device includes a belt-like member provided so as to circularly move, a forming member disposed so as to come into contact with an outer peripheral surface of the belt-like member and forms a pressing portion, where a recording material is pressed, between the belt-like member and the forming member, a contact member that comes into contact with the belt-like member, a heating member positioned on a side more distant from the belt-like member as compared to the contact member, and heats the contact member, a receiving member positioned on a side more distant from the belt-like member as compared to the heating member, and receives heat from the heating member, and a heat transfer portion provided so as to be connected to the receiving member and the contact member, and transfers heat to the contact member from the receiving member.Type: ApplicationFiled: June 9, 2011Publication date: April 19, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Hideaki OHARA, Kazuyoshi ITOH, Yasuhiro UEHARA
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Patent number: 7431816Abstract: A method for manufacturing a heat resistant resin film with a metal thin film is configured to include the steps of: biasing a conductive material to one surface of the heat resistant resin film; and applying electrolytic plating to the heat resistant resin film while using the conductive material biased to the one surface of the heat resistant resin film as an electrode, so as to form a metal thin film on the heat resistant resin film.Type: GrantFiled: June 1, 2004Date of Patent: October 7, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Ryuichiro Maeyama, Kazuyoshi Itoh, Yasutaka Naito, Hideaki Ohara
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Patent number: 7203453Abstract: A fixing device includes an endless fixing belt which is tensionless in a circumferential direction in a center part in a lateral direction and supported to circularly move, a heating device that heats the fixing belt, a pressure roll contacted with an outer peripheral face and supported to rotate around an axis, a pressure member contacted with an inner peripheral face to exert pressure on the pressure roll, and a support member passed through inside the fixing belt and supporting the pressure member. Preferably, an unfixed toner image on a recording medium passing the nip part which is formed between the fixing belt and the pressure roll is pressurized and heated to be formed into a fixed image, and the fixing belt is kept in a round shape in the circumferential direction near both side edges and supported to rotate around a center axis determined by the support member.Type: GrantFiled: March 10, 2005Date of Patent: April 10, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Yasutaka Naito, Hideaki Ohara
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Publication number: 20060029444Abstract: A fixing device includes an endless fixing belt which is tensionless in a circumferential direction in a center part in a lateral direction and supported to circularly move, a heating device that heats the fixing belt, a pressure roll contacted with an outer peripheral face and supported to rotate around an axis, a pressure member contacted with an inner peripheral face to exert pressure on the pressure roll, and a support member passed through inside the fixing belt and supporting the pressure member. Preferably, an unfixed toner image on a recording medium passing the nip part which is formed between the fixing belt and the pressure roll is pressurized and heated to be formed into a fixed image, and the fixing belt is kept in a round shape in the circumferential direction near both side edges and supported to rotate around a center axis determined by the support member.Type: ApplicationFiled: March 10, 2005Publication date: February 9, 2006Inventors: Yasutaka Naito, Hideaki Ohara
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Publication number: 20040219376Abstract: A method for manufacturing a heat resistant resin film with a metal thin film is configured to include the steps of: biasing a conductive material to one surface of the heat resistant resin film; and applying electrolytic plating to the heat resistant resin film while using the conductive material biased to the one surface of the heat resistant resin film as an electrode, so as to form a metal thin film on the heat resistant resin film.Type: ApplicationFiled: June 1, 2004Publication date: November 4, 2004Applicant: FUJI XEROX CO., LTD.Inventors: Ryuichiro Maeyama, Kazuyoshi Itoh, Yasutaka Naito, Hideaki Ohara
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Publication number: 20040037597Abstract: A magnetic core as a magnetic material that acts on an electromagnetic characteristic of the generated magnetic field and a magnetic field shield member that shields the magnetic field generated by magnetic field generation unit are structured such that magnetic particles are arranged in a base material under a dispersed state. As a result, a magnetic core in which an inductance can be set and a magnetic field shield member in which magnetic field leakage can be suppressed effectively, as well as an excitation coil, a transformer, electric equipment and an electrophotographic apparatus using them are easily provided at low costs.Type: ApplicationFiled: June 27, 2003Publication date: February 26, 2004Applicant: FUJI XEROX CO., LTD.Inventors: Shigehiko Haseba, Yasuhiro Uehara, Kazuyoshi Itoh, Yasutaka Naito, Kanji Oka, Motofumi Baba, Hideaki Ohara