Patents by Inventor Atsuna Saiki
Atsuna Saiki 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: 20230066533Abstract: An image forming apparatus includes: a holding unit that holds a recording medium transported; a circumferential rotation unit that circumferentially rotates with the holding unit fixed, and constitutes part of a transport path along which the recording medium is transported; an image former that forms an image on the recording medium at an image formation position on a circumferential rotational path of the circumferential rotation unit; a pass point at which the recording medium is passed on the circumferential rotational path; and a receiving point which is provided on a same side as the pass point with respect to the image formation position, and at which the recording medium is received from the circumferential rotational path.Type: ApplicationFiled: January 31, 2022Publication date: March 2, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Mitsuaki KURODA, Shohei MIYAGAWA, Naoya KAMIGAITO, Atsuna SAIKI
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Publication number: 20220113659Abstract: An image forming apparatus includes: an image forming unit that includes a first drum supporting a recording medium and a first rotating body disposed at an axial end of the first drum, and that is configured to form an image on the recording medium; a fixing unit that includes a second drum supporting the recording medium and a second rotating body disposed at an axial end of the second drum, and that is configured to fix the image to the recording medium by heating or drying the recording medium; and a transport unit that includes a rotating member stretched between the first rotating body and the second rotating body and rotating with rotation of the first rotating body and the second rotating body and a holding unit attached to the rotating member and holding the recording medium, and that is configured to transport the recording medium from the image forming unit to the fixing unit by the rotation of the rotating member.Type: ApplicationFiled: December 22, 2021Publication date: April 14, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Shohei MIYAGAWA, Mitsuaki KURODA, Naoya KAMIGAITO, Atsuna SAIKI
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Patent number: 11126133Abstract: A powder collection device includes a transport path, plural collection containers, and an opening and closing body. The transport path is configured to receive powder discharged from an image forming unit and transport the powder to discharge ports. The collection containers are arranged on the same straight line along the transport path. The collection containers is configured to accommodate the powder transported by the transport path. The opening and closing body has plural openings. The opening and closing body is configured to slide in the transport path so as to cause the transport path and the collection containers to sequentially communicate with each other.Type: GrantFiled: July 10, 2020Date of Patent: September 21, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Atsuna Saiki, Go Miura
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Publication number: 20210286311Abstract: A powder collection device includes a transport path, plural collection containers, and an opening and closing body. The transport path is configured to receive powder discharged from an image forming unit and transport the powder to discharge ports. The collection containers are arranged on the same straight line along the transport path. The collection containers is configured to accommodate the powder transported by the transport path. The opening and closing body has plural openings. The opening and closing body is configured to slide in the transport path so as to cause the transport path and the collection containers to sequentially communicate with each other.Type: ApplicationFiled: July 10, 2020Publication date: September 16, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Atsuna SAIKI, Go MIURA
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Publication number: 20160274484Abstract: An image forming apparatus includes the following elements. A housing includes a mounting unit. A removable unit includes at least a photoconductor drum and is mounted on and dismounted from the mounting unit. An exposure device includes a light-emitting source and is fixed to the mounting unit such that the exposure device pivots about a pivot point in directions in which it approaches and separates from the photoconductor drum. The exposure device includes a driven portion at an end on an upstream side in an inserting direction of the removable unit. The driven portion is driven to move the exposure device in a direction in which it approaches the photoconductor drum. The removable unit includes a driving portion at the end on the upstream side. The driving portion contacts and drives the driven portion to move the exposure device in the direction in which the exposure device approaches the photoconductor drum.Type: ApplicationFiled: July 27, 2015Publication date: September 22, 2016Inventors: Kazuaki IIKURA, Kaoru WATANABE, Kazuhiro SAITO, Lei YUAN, Satoshi MIYAWAKI, Atsuna SAIKI
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Patent number: 9436119Abstract: An image forming apparatus includes the following elements. A housing includes a mounting unit. A removable unit includes at least a photoconductor drum and is mounted on and dismounted from the mounting unit. An exposure device includes a light-emitting source and is fixed to the mounting unit such that the exposure device pivots about a pivot point in directions in which it approaches and separates from the photoconductor drum. The exposure device includes a driven portion at an end on an upstream side in an inserting direction of the removable unit. The driven portion is driven to move the exposure device in a direction in which it approaches the photoconductor drum. The removable unit includes a driving portion at the end on the upstream side. The driving portion contacts and drives the driven portion to move the exposure device in the direction in which the exposure device approaches the photoconductor drum.Type: GrantFiled: July 27, 2015Date of Patent: September 6, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Kazuaki Iikura, Kaoru Watanabe, Kazuhiro Saito, Lei Yuan, Satoshi Miyawaki, Atsuna Saiki
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Patent number: 9389539Abstract: An image forming apparatus includes an apparatus body; plural developing devices arranged in a first direction in the apparatus body; plural developer housing containers that are arranged in a second direction intersecting with the first direction and house developers to be respectively supplied to the developing devices; plural transport devices that respectively transport the developers to the developing devices from the developer housing containers; an intermediate transfer; and a transfer device. The developing devices include a first developing device located near the transfer device, and a second developing device located farther from the transfer device than the first developing device. The transport devices include first and second transport devices that respectively transports developers to the first and second developing devices. A transport distance of the developer transported the first transport is larger than that of the developer transported by the second transport device.Type: GrantFiled: October 20, 2015Date of Patent: July 12, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Tsutomu Somemiya, Tetsuji Okamoto, Takuji Matsumoto, Atsuna Saiki
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Patent number: 8577245Abstract: An image forming apparatus includes an image bearing member rotatably supported in a body of the image forming apparatus, and bearing a developer image; a developing device including a developing container, a developing member, and a transporting member, the developing container containing a developer, the developing member disposed so as to oppose the image bearing member, the developing member having thereon the developer in the developing container and rotating to develop a latent image, the transporting member transporting the developer in the developing container while stirring the developer, the developing device being unremovably supported with respect to the body of the image forming apparatus; and a damping member disposed with respect to an axial direction of a rotational axis of the developing member so as to be situated at an end portion of the developing container in the axial direction, and restraining vibration of the developing container.Type: GrantFiled: March 3, 2011Date of Patent: November 5, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Toyohiko Awano, Atsuna Saiki, Yosuke Ninomiya, Kazuhiro Saito, Satoru Hori, Kiyoshi Sakoh
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Patent number: 8488990Abstract: A housing unit includes: a first housing that contains a cylindrical image holder; a second housing that contains a fuser unit for fixing an image to a recording medium by a heat roller; a protruding unit that protrudes outwardly from a surface of the first housing, which surface faces a circular surface of the image holder; a heat resistant member that is formed of a material having heat resistance higher than that of the protruding unit, and covers the protruding unit; a metallic supporting unit that supports an end of the heat roller; a connecting unit that is formed on the supporting unit and is shaped to contact and fit the heat resistant member; and a fixing unit that fixes the first housing to the second housing at such a position that the connecting unit is fitted to the heat resistant member.Type: GrantFiled: June 6, 2011Date of Patent: July 16, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Hiroyuki Sato, Atsuna Saiki
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Patent number: 8320797Abstract: A developer storing vessel includes a supplied developer storing portion including: a first supply storing portion which is stored a developer to be supplied to a developer unit; a second supply storing portion which is provided under the first supply storing portion and formed with a horizontal width narrower than that of the first supply storing portion; and a supply outlet from which the developer stored in the second supply storing portion flows out; and a recovered developer storing portion including: a recovery inlet which is disposed above the supply outlet in a direction of gravity, in a position displaced therefrom horizontally and within the horizontal width of the first supply storing portion, and from which recovered developer flows in, and a recovery storing portion which is provided under the recovery inlet and in which the developer flowing from the recovery inlet is stored.Type: GrantFiled: October 19, 2009Date of Patent: November 27, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Mitsugu Inomata, Naomasa Okimura, Atsuna Saiki, Kazuhiro Saito
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Patent number: 8306453Abstract: An aspect of the present invention provides an image forming unit including: a development unit that includes a development member; a photosensitive unit that includes a photosensitive member; a transfer unit that is disposed to face the photosensitive member; and an elastic member that is attached to the transfer unit and the development unit and urges the development unit toward the transfer unit to align the development unit and the photosensitive member with each other.Type: GrantFiled: August 19, 2009Date of Patent: November 6, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Atsuna Saiki, Toyohiko Awano
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Patent number: 8269810Abstract: An aspect of the present invention is an LED print head grounding structure including: an LED print head that emits exposure light; a conductive member that is adjacent to one end and another end of the LED print head; a conducting portion that puts the one end of the LED print head and one end of the conductive member into electric conduction; and a grounding portion that grounds the other end of the LED print head and another end of the conductive member.Type: GrantFiled: August 19, 2009Date of Patent: September 18, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Atsuna Saiki
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Patent number: 8195062Abstract: An electrically conducting structure includes: an electrically conductive bar member; a frame member supporting the bar member; and a conducting metal plate, provided with a base portion for mounting the conducting metal plate to the frame member and provided with a contact portion, extending out from the base portion and bending to make contact with a side face of the bar member.Type: GrantFiled: March 13, 2008Date of Patent: June 5, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Yukihiro Okada, Atsuna Saiki
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Patent number: 8190069Abstract: An image forming apparatus includes an image carrier, a developing device, a developer container and a hole connection member. The developing device is provided so as to be movable in a direction in which it comes close to and goes away from the image carrier. And, the developing device develops a latent image formed on the surface of the image carrier into a visible image. The hole connection member is supported so as to be movable relative to an inlet of the developing device in the movable direction of the developing device and connects the inlet and an outlet of the developer container.Type: GrantFiled: December 17, 2009Date of Patent: May 29, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Atsuna Saiki, Kazuhiro Saito
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Publication number: 20120099893Abstract: A housing unit includes: a first housing that contains a cylindrical image holder; a second housing that contains a fuser unit for fixing an image to a recording medium by a heat roller; a protruding unit that protrudes outwardly from a surface of the first housing, which surface faces a circular surface of the image holder; a heat resistant member that is formed of a material having heat resistance higher than that of the protruding unit, and covers the protruding unit; a metallic supporting unit that supports an end of the heat roller; a connecting unit that is formed on the supporting unit and is shaped to contact and fit the heat resistant member; and a fixing unit that fixes the first housing to the second housing at such a position that the connecting unit is fitted to the heat resistant member.Type: ApplicationFiled: June 6, 2011Publication date: April 26, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Hiroyuki SATO, Atsuna SAIKI
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Publication number: 20120076526Abstract: An image forming apparatus includes an image bearing member rotatably supported in a body of the image forming apparatus, and bearing a developer image; a developing device including a developing container, a developing member, and a transporting member, the developing container containing a developer, the developing member disposed so as to oppose the image bearing member, the developing member having thereon the developer in the developing container and rotating to develop a latent image, the transporting member transporting the developer in the developing container while stirring the developer, the developing device being unremovably supported with respect to the body of the image forming apparatus; and a damping member disposed with respect to an axial direction of a rotational axis of the developing member so as to be situated at an end portion of the developing container in the axial direction, and restraining vibration of the developing container.Type: ApplicationFiled: March 3, 2011Publication date: March 29, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Toyohiko AWANO, Atsuna SAIKI, Yosuke NINOMIYA, Kazuhiro SAITO, Satoru HORI, Kiyoshi SAKOH
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Publication number: 20110262183Abstract: An imaging device includes a photoconductor, a charging device that charges a photosensitive surface of the photoconductor by a charging member, an optical writing device that forms an electrostatic latent image by irradiating the charged photosensitive surface with light emitted from a light emitting portion, a developing device that develops the image by a developing member, and a support member that rotatably supports the photoconductor and supports the optical writing device at a distance from the photosensitive surface. The charging member and the developing member are provided closer to the optical writing device than a line extending orthogonally to an emitting direction of the light and passing through a center point of a shaft of the photoconductor. An application direction of a pressure to be applied to each of the charging member and the developing member intersects the emitting direction of the light at an acute angle.Type: ApplicationFiled: November 11, 2010Publication date: October 27, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Masanori Seto, Atsuna Saiki
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Patent number: 8023854Abstract: An image forming apparatus comprises: a housing that is fixedly placed in the image forming apparatus and integrally accommodates an imaging portion that includes at least an image holding member; a transferring unit that is disposed against the image holding member so that the transferring unit is capable of pressing and separating the image holding member; and a high-voltage power supplying unit that supplies a high voltage, wherein a power supplying path that is formed on an outer surface of the housing so that the high voltage is supplied from the high-voltage power supplying unit to the imaging portion and the transferring unit via the power supplying path.Type: GrantFiled: October 27, 2009Date of Patent: September 20, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Hiroyuki Sato, Atsuna Saiki
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Patent number: 7885582Abstract: An image forming apparatus includes: an image holder; a developing device that develops a latent image formed on the image holder with developing material; a developing material cartridge that has a supply developing material container to contain developing material; and a developing material conveyance unit, having a connection portion connected to the developing device, that conveys the developing material from the supply developing material container to the developing device. The developing material cartridge is provided in a direction approximately orthogonal to the developing device. At least a part of the connection portion is provided within a heightwise directional width of the developing material cartridge.Type: GrantFiled: March 30, 2007Date of Patent: February 8, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Naomasa Okimura, Atsuna Saiki, Takeshi Okoshi, Kazuhiro Saito, Kiyoshi Sakoh, Hideyuki Ohtani
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Publication number: 20100322666Abstract: A developer storing vessel includes a supplied developer storing portion including: a first supply storing portion which is stored a developer to be supplied to a developer unit; a second supply storing portion which is provided under the first supply storing portion and formed with a horizontal width narrower than that of the first supply storing portion; and a supply outlet from which the developer stored in the second supply storing portion flows out; and a recovered developer storing portion including: a recovery inlet which is disposed above the supply outlet in a direction of gravity, in a position displaced therefrom horizontally and within the horizontal width of the first supply storing portion, and from which recovered developer flows in, and a recovery storing portion which is provided under the recovery inlet and in which the developer flowing from the recovery inlet is stored.Type: ApplicationFiled: October 19, 2009Publication date: December 23, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Mitsugu INOMATA, Naomasa OKIMURA, Atsuna SAIKI, Kazuhiro SAITO