Patents by Inventor Fumio Daishi
Fumio Daishi 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: 10809653Abstract: An image-forming-apparatus sliding member includes a woven base and a cover layer disposed on at least one surface of the woven base. The average height of projections and depressions on a sliding surface is greater than or equal to 40 ?m and smaller than or equal to 90 ?m, and an average distance between the projections and the depressions is greater than or equal to 700 ?m and smaller than or equal to 1600 ?m.Type: GrantFiled: January 15, 2020Date of Patent: October 20, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Hideaki Ohara, Fumio Daishi, Kenta Yamakoshi, Kenji Omori
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Publication number: 20170277080Abstract: An endless belt for an image forming apparatus is provided with a resin layer having a sea-island structure including an island part containing a silicone-modified polyetherimide and a sea part containing a polyetherimide other than the silicone-modified polyetherimide and containing carbon black.Type: ApplicationFiled: August 31, 2016Publication date: September 28, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Fumio DAISHI, Tomoo MATSUSHIMA, Kenji OMORI
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Publication number: 20170242373Abstract: A tubular member includes a siloxane-modified polyetherimide, a polyetherimide except the siloxane-modified polyetherimide, and a conductive material, wherein a content of the siloxane-modified polyetherimide with respect to a total content of the siloxane-modified polyetherimide and the polyetherimide except the siloxane-modified polyetherimide at a surface layer portion is 40% by weight or more.Type: ApplicationFiled: August 5, 2016Publication date: August 24, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Tomoo MATSUSHIMA, Fumio DAISHI, Kenji OMORI
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Publication number: 20170242372Abstract: According to an aspect of the invention, a tubular member includes a siloxane-modified polyetherimide, a polyetherimide except the siloxane-modified polyetherimide, a polyether ether ketone, and a conductive material.Type: ApplicationFiled: July 21, 2016Publication date: August 24, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Kenji OMORI, Fumio DAISHI, Tomoo MATSUSHIMA
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Patent number: 9507297Abstract: A tubular body for an image forming apparatus is formed by subjecting a tubular member containing a thermoplastic resin to thermal processing. The thermal processing is performed so that at least one edge of the tubular member is thermally melted and then cured in at least a portion of the edge in a peripheral direction.Type: GrantFiled: July 31, 2015Date of Patent: November 29, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Tomoo Matsushima, Satoshi Mizoguchi, Tomotake Inagaki, Fumio Daishi, Kenji Omori, Koichi Matsumoto
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Publication number: 20160209780Abstract: A tubular body for an image forming apparatus is formed by subjecting a tubular member containing a thermoplastic resin to thermal processing. The thermal processing is performed so that at least one edge of the tubular member is thermally melted and then cured in at least a portion of the edge in a peripheral direction.Type: ApplicationFiled: July 31, 2015Publication date: July 21, 2016Applicant: FUJI XEROX CO., LTD.Inventors: Tomoo MATSUSHIMA, Satoshi MIZOGUCHI, Tomotake INAGAKI, Fumio DAISHI, Kenji OMORI, Koichi MATSUMOTO
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Patent number: 8045909Abstract: A surface treatment device includes a belt member having a surface layer in which plural kinds of rubbers having a different hardness mixedly exist. In the device, a press/heat unit presses a recording medium with a toner image formed against the belt member such that the toner image contacts with the surface layer, and heats the recording medium to melt at least a surface of the toner image.Type: GrantFiled: August 21, 2006Date of Patent: October 25, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuo Sakaguchi, Fumio Daishi, Noboru Endo
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Publication number: 20080152404Abstract: A fixing device comprises: a fixing belt that has a surface release layer of a fluorinated-resin tube, the fixing belt being laid across by a fixing roller and a tension roller; a pressurizing member that presses the fixing roller through the fixing belt; and a release member that presses the fixing belt on the pressurizing member, in a substantial vicinity of a downstream of a pressure contact site of between the fixing roller and the pressurizing member, and strips a recording material from the fixing belt, the fixing device fixing a toner image on the recording material by heat.Type: ApplicationFiled: June 25, 2007Publication date: June 26, 2008Inventors: Daisuke Yoshino, Toshiyuki Miyata, Yasuhiro Uehara, Yasuo Sakaguchi, Hitoshi Okazaki, Takuro Hoshio, Fumio Daishi
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Patent number: 7389078Abstract: The invention provides a fixing method including conveying a recording medium on which a toner image has been formed using a fixing belt, in a state in which the fixing belt contacts with a surface of the recording medium on which the toner image is formed, at least from a fixing portion in which the toner image is fixed by heating and pressing the recording medium to a cooling portion in which the recording medium after fixing is cooled, wherein the ten-point average roughness (Rz) of a surface of the fixing belt contacting with the recording medium is 0.7 ?m or less or the filtered maximum waviness in every convex portion present on a surface of the fixing belt contacting with the recording medium is 50 ?m or less. The invention also provides a fixing apparatus using the method and an image forming apparatus using the method.Type: GrantFiled: April 6, 2006Date of Patent: June 17, 2008Assignee: Fuji Zerox Co., Ltd.Inventors: Fumio Daishi, Noboru Endo, Yasuo Sakaguchi
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Publication number: 20070237556Abstract: A surface treatment device includes a belt member having a surface layer in which plural kinds of rubbers having a different hardness mixedly exist. In the device, a press/heat unit presses a recording medium with a toner image formed against the belt member such that the toner image contacts with the surface layer, and heats the recording medium to melt at least a surface of the toner image.Type: ApplicationFiled: August 21, 2006Publication date: October 11, 2007Applicant: Fuji Xerox Co., Ltd.Inventors: Yasuo Sakaguchi, Fumio Daishi, Noboru Endo
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Publication number: 20070065192Abstract: The invention provides a fixing method including conveying a recording medium on which a toner image has been formed using a fixing belt, in a state in which the fixing belt contacts with a surface of the recording medium on which the toner image is formed, at least from a fixing portion in which the toner image is fixed by heating and pressing the recording medium to a cooling portion in which the recording medium after fixing is cooled, wherein the ten-point average roughness (Rz) of a surface of the fixing belt contacting with the recording medium is 0.7 ?m or less or the filtered maximum waviness in every convex portion present on a surface of the fixing belt contacting with the recording medium is 50 ?m or less. The invention also provides a fixing apparatus using the method and an image forming apparatus using the method.Type: ApplicationFiled: April 6, 2006Publication date: March 22, 2007Applicant: FUJI XEROX CO., LTD.Inventors: Fumio Daishi, Noboru Endo, Yasuo Sakaguchi
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Patent number: 6771926Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of a part bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: GrantFiled: April 2, 2003Date of Patent: August 3, 2004Assignee: Fuji Xerox Co., Ltd.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata
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Publication number: 20030206757Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of a part bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: ApplicationFiled: April 2, 2003Publication date: November 6, 2003Applicant: FUJI XEROX CO., LTD.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata
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Patent number: 6618573Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of apart bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: GrantFiled: June 13, 2001Date of Patent: September 9, 2003Assignee: Fuji Xerox Co., Ltd.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata
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Patent number: 6567640Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of a part bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: GrantFiled: September 27, 2002Date of Patent: May 20, 2003Assignee: Fuji Xerox Co., Ltd.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata
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Publication number: 20030035666Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of apart bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: ApplicationFiled: September 27, 2002Publication date: February 20, 2003Applicant: FUJI XEROX CO., LTD.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata
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Publication number: 20020057934Abstract: In a fuser, a cooling structure (5) is disposed so that a bend angle (&agr;) of apart bent during the time between an endless belt (3) coming in contact with a press cooling face (5a) of the cooling structure (5) and exiting from the press cooling face (5a) is placed in the range of 0° C.<&agr;≦7° C. A fixing belt has a minute hardness of 0.1 to 5 at least on the belt surface coming in contact with toner T and preferably has a gloss degree of 75 or more on the belt surface.Type: ApplicationFiled: June 13, 2001Publication date: May 16, 2002Applicant: FUJI XEROX CO., LTD.Inventors: Kiyotaka Ishikawa, Yoshio Kanesawa, Motoi Noya, Sadao Okano, Shinichi Utsumi, Hideaki Seikiguchi, Kazuhisa Masuko, Michiaki Yasuno, Fumio Daishi, Makoto Omata