Patents by Inventor Yoko Miyamoto
Yoko Miyamoto 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: 11656563Abstract: A jacket includes: a first layer that is on a cylinder body side when the jacket is attached to a rotating cylinder body; and a second layer that is a layer located on a side opposite to the cylinder body with respect to the first layer, has a hardness lower than that of the first layer, and does not exist at a position where at least one of end edges of the cylinder body in a rotation axis direction is located inward of the first layer in the rotation axis direction.Type: GrantFiled: December 15, 2021Date of Patent: May 23, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Yoko Miyamoto, Hirotaka Tanaka, Kazuyoshi Hagiwara, Kei Tanaka, Tomoaki Yoshioka, Toshiaki Baba, Koichiro Yuasa
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Publication number: 20230123189Abstract: An image forming apparatus includes a holding body that holds a formed image; a transport unit that transports a recording medium in a state where a tip of the recording medium is grasped by a grasping portion; a transfer cylinder that has a substantially circular cross section, and that includes a concave portion that accommodates the grasping portion in a direction substantially orthogonal to a rotation direction and transfers an image on the holding body to the recording medium transported by the transport unit by interposing the recording medium transported by the transport unit between the transfer cylinder and the holding body; and an imparting portion that imparts a transport load to the recording medium that is transported to a transfer position at which the image on the holding body is transferred to the recording medium.Type: ApplicationFiled: July 13, 2022Publication date: April 20, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Toshiaki BABA, Tomoaki YOSHIOKA, Satoshi SHIGEZAKI, Yoko MIYAMOTO, Tomohiro WADA, Haruka KOBAYASHI, Kazuyoshi HAGIWARA
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Publication number: 20230122708Abstract: An image forming apparatus includes: a holding body configured to hold a formed image; a conveyance unit configured to convey a recording medium with a leading end of the recording medium gripped by a gripping portion; and a transfer body including a recessed portion that accommodates the gripping portion and is provided along a direction substantially orthogonal to a rotational direction, configured to sandwich the recording medium conveyed by the conveyance unit between the transfer body and the holding body to transfer an image on the holding body to the recording medium conveyed by the conveyance unit, and including a slope surface provided at a leading end of a portion of an outer circumference not including a portion where the recessed portion is provided, the leading end being on a front end side in the rotational direction, a distance from the slope surface to a rotational center becoming larger toward a downstream side in the rotational direction.Type: ApplicationFiled: October 12, 2022Publication date: April 20, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Tomohiro WADA, Tomoaki YOSHIOKA, Satoshi SHIGEZAKI, Yoko MIYAMOTO, Toshiaki BABA, Haruka KOBAYASHI, Kazuyoshi HAGIWARA, Kazuki KISHI
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Patent number: 11609514Abstract: A transfer member includes: an inner layer; an outer layer provided on an outer periphery of the inner layer; and a surface layer provided on an outer periphery of the outer layer, both end portions of the surface layer in circumferential directions extending in the circumferential directions from both end portions of the outer layer in the circumferential directions.Type: GrantFiled: November 16, 2021Date of Patent: March 21, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Koichiro Yuasa, Kazuyoshi Hagiwara, Kei Tanaka, Tomoaki Yoshioka, Toshiaki Baba, Yoko Miyamoto, Hirotaka Tanaka
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Patent number: 11599045Abstract: A transfer device includes: a transfer drum that has a groove-like recess extending in an axial direction in an outer circumferential portion thereof, rotates about an axis thereof, and comes into contact with a medium being transported at a portion thereof on an upstream side of the recess in a rotation direction; a nip member, the nip member and the transfer drum forming therebetween a nip part where the medium is nipped; an application member that applies a voltage to the nip part where the medium is nipped, so that an image is transferred to the medium; and a contact mechanism that causes the nip member to come into contact only with a portion on the upstream side of the recess in the transfer drum in the rotation direction at a transfer-start time when the transfer of the image to the medium starts.Type: GrantFiled: December 20, 2021Date of Patent: March 7, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Tomoaki Yoshioka, Kazuyoshi Hagiwara, Kazuki Kishi, Yoko Miyamoto, Toshiaki Baba
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Publication number: 20230064257Abstract: An image forming apparatus includes at least one upper image forming unit in which an image holding unit is disposed above a transfer unit in such a manner as to face the transfer unit with a transfer medium, which moves in a predetermined direction, interposed between the image holding unit and the transfer unit and at least one lower image forming unit in which an image holding unit is disposed below a transfer unit in such a manner as to face the transfer unit with the transfer medium interposed between the image holding unit and the transfer unit, the transfer unit of the upper image forming unit and the transfer unit of the lower image forming unit each including a transfer member that extends in a width direction crossing the direction of movement of the transfer medium and that is brought into contact with the transfer medium and a pressing unit that presses the transfer member toward the image holding unit, and the pressing units being set in such a manner that a pressing force that is applied by oneType: ApplicationFiled: January 18, 2022Publication date: March 2, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Yoko MIYAMOTO, Tomoaki YOSHIOKA, Kazuyoshi HAGIWARA, Toshiaki BABA
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Publication number: 20230068278Abstract: A transfer device includes a transfer drum that rotates in conjunction with a fixing roller, a transfer belt that transfers an image onto a medium while rotating along with the transfer drum in a state where the medium is nipped between the transfer belt and the transfer drum, a pressing member that is disposed in a space enclosed by the transfer belt, and a switching unit that moves the pressing member and switches between a pressed state in which the transfer belt is pressed against the transfer drum and a separated state in which the transfer belt is separated from the transfer drum.Type: ApplicationFiled: December 16, 2021Publication date: March 2, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazuyoshi HAGIWARA, Tomoaki YOSHIOKA, Yoko MIYAMOTO, Kazuki KISHI, Toshiaki BABA
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Publication number: 20230063746Abstract: A transfer device includes: a transfer drum that has a groove-like recess extending in an axial direction in an outer circumferential portion thereof, rotates about an axis thereof, and comes into contact with a medium being transported at a portion thereof on an upstream side of the recess in a rotation direction; a nip member, the nip member and the transfer drum forming therebetween a nip part where the medium is nipped; an application member that applies a voltage to the nip part where the medium is nipped, so that an image is transferred to the medium; and a contact mechanism that causes the nip member to come into contact only with a portion on the upstream side of the recess in the transfer drum in the rotation direction at a transfer-start time when the transfer of the image to the medium starts.Type: ApplicationFiled: December 20, 2021Publication date: March 2, 2023Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Tomoaki YOSHIOKA, Kazuyoshi HAGIWARA, Kazuki KISHI, Yoko MIYAMOTO, Toshiaki BABA
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Publication number: 20230065291Abstract: A cylinder member includes: a cylinder body having a cross section and including a dent portion; a sheet member wrapped around the cylinder body and including a metal layer contacting the cylinder body and an outer layer; a first attachment member on a sheet member first end portion and removably attached to the dent portion; a second attachment member on a metal layer end portion protruding from the outer layer in the circumferential direction at a sheet member second end portion, the second attachment member being removably attached to the dent portion; a tension-applying mechanism pulling the second attachment member in a dent portion depth direction to apply tension to the metal layer; a projection on one of the second attachment member and metal layer end portion; and a fitting portion on other one of the second attachment member and the metal layer end portion and fitted to the projection.Type: ApplicationFiled: December 10, 2021Publication date: March 2, 2023Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kazuki KISHI, Tomoaki YOSHIOKA, Kazuyoshi HAGIWARA, Yoko MIYAMOTO, Toshiaki BABA, Tomohiro WADA, Yosuke TSUTSUMI
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Publication number: 20230068665Abstract: A method for attaching a sheet member to a cylinder body includes: preliminarily fixing a first end portion of the sheet member to a first fixation portion of a cylinder body provided in an apparatus body and having a substantially circular cross section; wrapping the sheet member around the cylinder body by rotating the cylinder body; fixing the first end portion and a second end portion of the sheet member to the first fixation portion and a second fixation portion, respectively; and installing an installation member between the apparatus body and an inner surface of the sheet member before the wrapping of the sheet member around the cylinder body.Type: ApplicationFiled: December 13, 2021Publication date: March 2, 2023Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kazuki KISHI, Tomoaki YOSHIOKA, Kazuyoshi HAGIWARA, Yoko MIYAMOTO, Toshiaki BABA, Tomohiro WADA, Yosuke TSUTSUMI
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Patent number: 11579555Abstract: A cylinder member includes: a cylinder body having a cylindrical shape; a sheet member wound on the cylinder body; a first attachment portion provided at one end portion of the sheet member in a circumferential direction, the first attachment portion being detachably attached to the cylinder body; and a second attachment portion provided at the other end portion of the sheet member in the circumferential direction, the second attachment portion being detachably attached to the cylinder body.Type: GrantFiled: May 13, 2021Date of Patent: February 14, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Tomoaki Yoshioka, Kazuki Kishi, Kazuyoshi Hagiwara, Yoko Miyamoto, Toshiaki Baba
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Patent number: 11579541Abstract: An image forming apparatus includes: an image holder configured to hold an image formed using an electrographic process; a transfer body that faces the image holder and is configured to contact the image holder while rotating to form a secondary transfer region; an application unit configured to apply a voltage for charging the secondary transfer region; and a charge unit that faces a region other than the secondary transfer region of the transfer body and is configured to charge a surface of the transfer body with a polarity opposite to an applied voltage of the application unit.Type: GrantFiled: June 24, 2021Date of Patent: February 14, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Koichiro Yuasa, Toshiaki Baba, Yoko Miyamoto, Takeshi Yasuda, Hirotaka Tanaka, Masaaki Takahashi, Tomoaki Yoshioka
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Publication number: 20230038531Abstract: Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.Type: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Tomoaki YOSHIOKA, Mitsuaki KURODA, Kazuyoshi HAGIWARA, Shohei MIYAGAWA, Kei TANAKA, Masaaki TAKAHASHI, Yoko MIYAMOTO, Toshiaki BABA
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Patent number: 11520252Abstract: An image forming apparatus includes: an annular transfer belt having an outer surface on which an image is transferred; a nip portion that forms a nip region for nipping a recording medium with an outer surface of the transfer belt; a facing portion that faces the nip region from an inner side of the transfer belt and transfers the image from the transfer belt to the recording medium in the nip region by charging the transfer belt; and a transport unit including a holding portion that holds the recording medium, transports the recording medium by moving the holding portion, and causes the recording medium together with the holding portion to pass the nip region while holding the recording medium at the holding portion.Type: GrantFiled: June 3, 2021Date of Patent: December 6, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Tomoaki Yoshioka, Masaaki Takahashi, Kazuyoshi Hagiwara, Yoko Miyamoto, Toshiaki Baba
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Publication number: 20220357691Abstract: A drum member includes: a substantially cylindrical drum body having a hollow part extending in an axial direction; a sheet member wound on the drum body; an adjusting mechanism configured to adjust tension in the sheet member, the adjusting mechanism including a moving member that holds an end of the sheet member in a circumferential direction and moves in a depth direction of the hollow part, and a fixing member that fixes the moving member to the drum body; and one or more positioning members that position the moving member such that the moving member does not move in the circumferential direction of the drum body when the moving member is fixed with the fixing member.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazuki KISHI, Koichiro YUASA, Kazuyoshi HAGIWARA, Kei TANAKA, Tomoaki YOSHIOKA, Toshiaki BABA, Yoko MIYAMOTO, Hirotaka TANAKA
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Patent number: 11493863Abstract: Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.Type: GrantFiled: June 7, 2021Date of Patent: November 8, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Tomoaki Yoshioka, Mitsuaki Kuroda, Kazuyoshi Hagiwara, Shohei Miyagawa, Kei Tanaka, Masaaki Takahashi, Yoko Miyamoto, Toshiaki Baba
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Patent number: 11474459Abstract: A transfer device includes: a transfer member to which a voltage is applied by a power supply device to generate a transfer electric field for transferring a developer image to a recording medium; a transfer cylinder having a recess in which a retaining member that retains a leading end portion of the recording medium is disposed, the transfer electric field being generated between the transfer cylinder and the transfer member at a transfer position; a shunt circuit by which the voltage applied to the transfer member is shunted to a reference potential point; and an operation stopping mechanism that starts and stops an operation of the shunt circuit in response to rotation of the transfer cylinder, the operation being started when the recess reaches the transfer position and stopped when the recess leaves the transfer position.Type: GrantFiled: July 8, 2021Date of Patent: October 18, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Yoko Miyamoto, Kazuyoshi Hagiwara, Tomoaki Yoshioka, Toshiaki Baba, Kazuki Kishi, Shinji Okuyama
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Publication number: 20220229384Abstract: An image forming apparatus includes: a colorant image former; an image holder configured to hold a colorant image formed by the colorant image forming unit and to be rotationally driven; a transfer member configured to transfer the colorant image onto a recording medium, which is transported from an upstream side, by sandwiching the recording medium between the transfer member and the image holder, and rotationally driving the transfer member to transport the recording medium to a downstream side; and a contact-and-separation mechanism configured to relatively contact or separate the image holder and the transfer member, in which, in response to an abnormality being detected, the image forming apparatus operates in a mode in which the contact-and-separation mechanism relatively separates the image holder and the transfer member, and then rotational driving of the transfer member is stopped after rotational driving of the image holder is stopped.Type: ApplicationFiled: April 7, 2022Publication date: July 21, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Yoko MIYAMOTO, Takashi HOSHINO, Shinji OKUYAMA, Tomoaki YOSHIOKA, Toshiaki BABA, Chihiro IIJIMA
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Patent number: 11385574Abstract: A rotation device includes: a rotary body having a recess in an outer peripheral surface thereof; and a brush configured to come into contact with the outer peripheral surface of the rotary body to remove a foreign matter adhering to the outer peripheral surface, in which the brush is separated from the outer peripheral surface of the rotary body in a state where rotation of the rotary body is stopped.Type: GrantFiled: May 28, 2021Date of Patent: July 12, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Toshiaki Baba, Yoko Miyamoto, Koichiro Yuasa, Tomoaki Yoshioka
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Publication number: 20220201806Abstract: The present invention relates to a windshield to which an information acquisition device configured to acquire information from the outside of a vehicle by emitting and/or receiving light is attachable via a bracket, the windshield including: a glass module that includes a glass body having an information acquisition region through which the light passes; a sheet-shaped heating element that is attached to a surface on a vehicle interior side of the glass body and is not rectangular; and a power supply part configured to supply power to the heating element.Type: ApplicationFiled: April 10, 2020Publication date: June 23, 2022Applicant: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Kazuki CHIBA, Yohei SHIMOKAWA, Kazuaki OYA, Yoko MIYAMOTO, Shigeki YONEZAWA