Patents by Inventor Yoshinari Ueno
Yoshinari Ueno 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: 9488952Abstract: A cleaning device includes a removal member that removes residual objects from a surface of a target cleaning body by contacting with the surface in a linear manner and rubbing against the surface and forms a piled body which is constructed of a portion of the residual objects at a contact location, and a pressure device that presses the piled body to increase a strength of the piled body.Type: GrantFiled: September 10, 2015Date of Patent: November 8, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Masashi Ikeda, Yoshinari Ueno, Manabu Furuki, Masahiro Uchida, Tatsuhiro Igarashi, Mona Tasaki, Teppei Yawada
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Publication number: 20160216661Abstract: An image forming apparatus, includes a forming device that forms unfixed images on recording media, a fixing unit that melts a material forming the images to fix the images onto the recording media, a stacking tray on which the recording media onto which the images are fixed are stacked, and a displacer that applies a force to the recording media stacked on the stacking tray to displace the recording media relative to each other.Type: ApplicationFiled: September 17, 2015Publication date: July 28, 2016Inventors: Tatsuhiro IGARASHI, Yoshinari UENO, Manabu FURUKI, Masahiro UCHIDA, Masashi IKEDA, Mona TASAKI, Teppei YAWADA
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Publication number: 20160209798Abstract: A cleaning device includes a removal member that removes residual objects from a surface of a target cleaning body by contacting with the surface in a linear manner and rubbing against the surface and forms a piled body which is constructed of a portion of the residual objects at a contact location, and a pressure device that presses the piled body to increase a strength of the piled body.Type: ApplicationFiled: September 10, 2015Publication date: July 21, 2016Applicant: FUJI XEROX CO., LTD.Inventors: Masashi IKEDA, Yoshinari UENO, Manabu FURUKI, Masahiro UCHIDA, Tatsuhiro IGARASHI, Mona TASAKI, Teppei YAWADA
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Patent number: 9058001Abstract: An image forming apparatus includes a toner image forming unit that forms and continuously transfers a toner image based on image data onto a transported sheet from the front to the rear in a sheet transport direction as the sheet is transported, a fixing unit positioned downstream of the toner image forming unit in the transport direction and that fixes the transferred toner image onto the sheet, an image determining unit that determines whether the formed toner image is a scattering toner image that causes toner scattering during the transfer, and a speed controlling unit that controls, when it is determined that the toner image is a scattering toner image, a transport speed of the sheet and a transfer speed of the toner image to the sheet such that the speeds are slower than those when it is determined that the toner image is not a scattering toner image.Type: GrantFiled: July 5, 2013Date of Patent: June 16, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Narumasa Sato, Eiji Nakai, Katsuyuki Kitajima, Makoto Kamisaki, Toyofumi Inoue, Takafumi Koide, Masataka Kuribayashi, Yoshinari Ueno, Yoshifumi Eri
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Publication number: 20140112677Abstract: An image forming apparatus includes a toner image forming unit that forms and continuously transfers a toner image based on image data onto a transported sheet from the front to the rear in a sheet transport direction as the sheet is transported, a fixing unit positioned downstream of the toner image forming unit in the transport direction and that fixes the transferred toner image onto the sheet, an image determining unit that determines whether the formed toner image is a scattering toner image that causes toner scattering during the transfer, and a speed controlling unit that controls, when it is determined that the toner image is a scattering toner image, a transport speed of the sheet and a transfer speed of the toner image to the sheet such that the speeds are slower than those when it is determined that the toner image is not a scattering toner image.Type: ApplicationFiled: July 5, 2013Publication date: April 24, 2014Inventors: Narumasa SATO, Eiji Nakai, Katsuyuki Kitajima, Makoto Kamisaki, Toyofumi Inoue, Takafumi Koide, Masataka Kuribayashi, Yoshinari Ueno, Yoshifumi Eri
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Patent number: 8090283Abstract: An image forming apparatus includes: an image bearing body on which surface an image is formed and borne; an image forming section that forms the image; a transfer device that transfers the formed image to a transferring body; a cleaning member that comes into contact with the surface of the image bearing body to scrape an adhesion substance after the image is transferred; a storage tank in which the removed adhesion substance is stored; a damming member that obstructs a region between the cleaning member and the storage tank to temporarily dam the adhesion substance moving from the cleaning member to the storage tank on the cleaning member side, the damming member including overlapped members having openings, the members including a movable member that is slidable with respect to other member; and a driving section that drives the movable member to change an overlapping amount between the openings.Type: GrantFiled: July 13, 2009Date of Patent: January 3, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Masataka Kuribayashi, Toyofumi Inoue, Yoshinari Ueno, Takafumi Koide, Naoki Ohnishi
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Publication number: 20100232823Abstract: An image forming apparatus includes: an image bearing body on which surface an image is formed and borne; an image forming section that forms the image; a transfer device that transfers the formed image to a transferring body; a cleaning member that comes into contact with the surface of the image bearing body to scrape an adhesion substance after the image is transferred; a storage tank in which the removed adhesion substance is stored; a damming member that obstructs a region between the cleaning member and the storage tank to temporarily dam the adhesion substance moving from the cleaning member to the storage tank on the cleaning member side, the damming member including overlapped members having openings, the members including a movable member that is slidable with respect to other member; and a driving section that drives the movable member to change an overlapping amount between the openings.Type: ApplicationFiled: July 13, 2009Publication date: September 16, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Masataka KURIBAYASHI, Toyofumi INOUE, Yoshinari UENO, Takafumi KOIDE, Naoki OHNISHI
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Patent number: 7074540Abstract: An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [?m]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.Type: GrantFiled: November 1, 2004Date of Patent: July 11, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Katsumi Nukada, Kazuhiro Koseki, Wataru Yamada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki, Kiyoshi Chatani, Yoshinari Ueno, Hidekazu Yaguchi, Kazuhiko Yanagida
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Patent number: 6895205Abstract: An image fixing apparatus and an image forming method capable of favorably fixing a toner containing a crystalline resin are provided. The image forming apparatus passes a transfer medium having unfixed images formed of the toner containing a crystalline resin between a heating member and a pressurizing member, thereby fixing the unfixed images, using a cooling unit that controls a surface temperature of the pressurizing member in which the surface temperature is controlled to a melting point of the crystalline resin +30° C. or lower.Type: GrantFiled: June 17, 2003Date of Patent: May 17, 2005Assignee: Fuji Xerox Co., Ltd.Inventors: Masaki Nakamura, Toshimizu Ozawa, Yoshinari Ueno, Norihito Fukushima, Hirokazu Hamano, Yuka Ishihara
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Publication number: 20050089788Abstract: An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [?m]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.Type: ApplicationFiled: November 1, 2004Publication date: April 28, 2005Applicant: Fuji Xerox Co., Ltd.Inventors: Katsumi Nukada, Kazuhiro Koseki, Wataru Yamada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki, Kiyoshi Chatani, Yoshinari Ueno, Hidekazu Yaguchi, Kazuhiko Yanagida
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Publication number: 20040062568Abstract: An image forming apparatus comprising: an electrophotographic photoreceptor having an electrically-conductive support and a photosensitive layer provided on said support; an electrostatic charging unit for electrostatically charging said electrophotographic photoreceptor; an exposing unit for exposing said electrostatically charged electrophotographic photoreceptor to light to form an electrostatic latent image; a developing unit for developing said electrostatic latent image with a toner to form a toner image; a transferring unit for transferring said toner image onto a transferring medium; and a cleaning device for removing a toner left on said electrophotographic photoreceptor after the transfer of said toner image, wherein said image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s, wherein said electrophotographic photoreceptor comprises a surface layer containing a siloxane-based resin having charge-transporting properties and a crosslinked struType: ApplicationFiled: February 27, 2003Publication date: April 1, 2004Applicant: Fuji Xerox Co., Ltd.Inventors: Katsumi Nukada, Kazuhiro Koseki, Wataru Yamada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki, Kiyoshi Chatani, Yoshinari Ueno, Hidekazu Yaguchi, Kazuhiko Yanagida
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Publication number: 20040022562Abstract: An image fixing apparatus and an image forming method capable of favorably fixing a toner containing a crystalline resin are provided. The image forming apparatus passes a transfer medium having unfixed images formed of the toner containing a crystalline resin between a heating member and a pressurizing member, thereby fixing the unfixed images, using a cooling unit that controls a surface temperature of the pressurizing member in which the surface temperature is controlled to a melting point of the crystalline resin +30° C. or lower.Type: ApplicationFiled: June 17, 2003Publication date: February 5, 2004Applicant: FUJI XEROX CO., LTD.Inventors: Masaki Nakamura, Toshimizu Ozawa, Yoshinari Ueno, Norihito Fukushima, Hirokazu Hamano, Yuka Ishihara
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Patent number: 6453146Abstract: A cleaning blade for a latent image holding member, an apparatus for forming an image and a process for forming an image are provided at a low cost, in which even in an apparatus for forming an image using a spherical toner, good cleaning property of the latent image holding member is ensured irrespective to the temperature environment upon use without deteriorating an image quality. The cleaning blade for removing a remaining toner by making in contact with a latent image holding member under pressure, as well as an apparatus for forming an image and a process for forming an image using the same are provided. The cleaning blade contains an elastic material having a 300% modulus of about from 14,700 to 29,400 kPa and a tearing strength of about 68,600 N/m or more.Type: GrantFiled: June 15, 2001Date of Patent: September 17, 2002Assignee: Fuji Xerox Co., LTDInventors: Taichi Yamada, Satoshi Shigezaki, Yoshinari Ueno, Masahiro Takagi, Satoshi Inoue, Makoto Sakanobe, Tomoki Kutsuwada, Yoshinori Nakano
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Publication number: 20020048473Abstract: A cleaning blade for a latent image holding member, an apparatus for forming an image and a process for forming an image are provided at a low cost, in which even in an apparatus for forming an image using a spherical toner, good cleaning property of the latent image holding member is ensured irrespective to the temperature environment upon use without deteriorating an image quality. The cleaning blade for removing a remaining toner by making in contact with a latent image holding member under pressure, as well as an apparatus for forming an image and a process for forming an image using the same are provided. The cleaning blade contains an elastic material having a 300% modulus of about from 14,700 to 29,400 kPa and a tearing strength of about 68,600 N/m or more.Type: ApplicationFiled: June 15, 2001Publication date: April 25, 2002Applicant: Fuji Xerox Co., Ltd.Inventors: Taichi Yamada, Satoshi Shigezaki, Yoshinari Ueno, Masahiro Takagi, Satoshi Inoue, Makoto Sakanobe, Tomoki Kutsuwada, Yoshinori Nakano
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Patent number: 6212350Abstract: An image formation system where, when an intermediate transfer body B having a resistivity change layer B2 whose volume resistivity lowers in a state in which predetermined physical stimulation (light application, etc.,) passes through an electricity removal area Q5 after secondary transfer is executed, physical stimulation is given to the intermediate transfer body B for lowering the volume resistivity of the intermediate transfer body B and in this state, electricity of the intermediate transfer body B is removed.Type: GrantFiled: April 15, 1999Date of Patent: April 3, 2001Assignee: Fuji Xerox Co., Ltd.Inventors: Taichi Yamada, Yoshinari Ueno, Satoshi Shigezaki, Hideyuki Akagi, Susumu Hiranuma