Patents by Inventor Kunihiko Nishioka

Kunihiko Nishioka 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).

  • Patent number: 11124003
    Abstract: An article includes a body member and a detachable member detachably attached to the body member. One of the body member and the detachable member includes a cover portion having an engaging portion on an inner wall face of the cover portion. The other includes a covered portion that is covered with the cover portion and has an engaged portion on an outer wall face of the covered portion. The engaging portion and the engaged portion are configured to be disengaged by warping the cover portion so that the cover portion displaces to an outer wall face side of the cover portion. The one of the body member and the detachable member includes a finger-applying-position indicator at a position deviated from a portion corresponding to the cover portion, on an outer wall face of the one. The finger-applying-position indicator indicates a position to be applied with fingers of a user.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: September 21, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masashi Ota, Munekazu Hirata, Kunihiko Nishioka, Tomoya Fujii, Yohei Osanai, Satoshi Narai, Masatoshi Ishida, Takayuki Andoh
  • Publication number: 20210276341
    Abstract: A portable image forming apparatus includes a recording section, at least one of a position detection device and a recording material detection device, and an accommodation unit. The recording section is configured to record an image on a recording material. The position detection device is configured to detect a position of the portable image forming apparatus. The recording material detection device is configured to detect presence or absence of the recording material. The accommodation unit includes an image formation material accommodation portion. A projection region of the at least one of the position detection device and the recording material detection device with respect to a virtual plane parallel to a recording surface to face the recording material at least partially overlaps with a projection region of the accommodation unit with respect to the virtual plane.
    Type: Application
    Filed: September 9, 2019
    Publication date: September 9, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Yohei OSANAI, Masatoshi ISHIDA, Tomoya FUJII, Kunihiko NISHIOKA, Munekazu HIRATA, Masashi OTA
  • Patent number: 11016406
    Abstract: An image forming apparatuses includes an apparatus body configured to house a replacement part. The apparatus body includes a guiding face configured to guide a guided face of the replacement part. The guided face is on a side along a movement direction in which the replacement part moves between a set position in the apparatus body and an attaching and detaching position at which the replacement part is attached to and detached from the apparatus body. The apparatus further include a moving device configured to move the replacement part between the set position and the attaching and detaching position, and a pressing device configured to press the guided face of the replacement part against the guiding face of the apparatus body while the replacement part moves between the set position and the attaching and detaching position.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: May 25, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Masashi Ota, Masatoshi Ishida, Yohei Osanai, Satoshi Narai, Takayuki Andoh, Tomoya Fujii, Kunihiko Nishioka, Munekazu Hirata
  • Publication number: 20210127097
    Abstract: An image projection device includes a projector configured to project an image; and an operation unit configured to receive an operation performed by an operator. The projector is in a projecting state while the operation unit is receiving a pressing operation performed by the operator, and the projector is in a non-projecting state while the operation unit is not receiving a pressing operation performed by the operator.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Tomoko TAKAHASHI, Yuuji WADA, Yu YONEDA, Daisuke TOMITA, Kunihiko NISHIOKA, Hideki KOSUGI, Yasukazu KITAMURA, Toshihiro HAMAMURA, Takaya MURAISHI, Naomi SUGIMOTO, Yasunari HARADA
  • Patent number: 10882333
    Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium, a main body configured to house the recording device, and a cover rotatably attached to the main body. The main body includes a recording face to be disposed opposite the recording medium, a first face positioned opposite the recording face, and a second face positioned between the recording face and the first face. The cover includes a first cover portion configured to cover the first face of the main body, and a second cover portion configured to cover at least a portion of the second face, and the second cover portion is configured to house a battery.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: January 5, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yohei Osanai, Takayuki Andoh, Masatoshi Ishida, Satoshi Narai, Tomoya Fujii, Kunihiko Nishioka, Munekazu Hirata, Masashi Ota
  • Patent number: 10882332
    Abstract: A mobile image forming apparatus includes a body, a recording device supported by the body and configured to form an image on a recording medium, a roller provided to the body and configured to rotate on the recording medium while the body is moved in a scanning direction for image formation. The mobile image forming apparatus further includes a switching device configured to switch a state of the mobile image forming apparatus during image formation between a roller contact state in which the roller is in contact with the recording medium and a roller contactless state in which the roller is contactless with the recording medium.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: January 5, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Mitsutaka Nakamura, Akiyoshi Tanaka, Yasunari Harada
  • Patent number: 10855873
    Abstract: An image forming apparatus includes a body, an image forming device configured to form an image on a recording medium and supported by the body, an attachment configured to be removably attached to the body, and a cover configured to be removably attached to the body. The cover is configured to cover the attachment attached to the body. The attachment is configured to switch a state in use of the image forming apparatus by attaching and removing of the attachment to and from the body.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: December 1, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomoya Fujii, Takayuki Andoh, Masatoshi Ishida, Yohei Osanai, Satoshi Narai, Kunihiko Nishioka, Masashi Ota
  • Publication number: 20200230984
    Abstract: An article includes a body member and a detachable member detachably attached to the body member. One of the body member and the detachable member includes a cover portion having an engaging portion on an inner wall face of the cover portion. The other includes a covered portion that is covered with the cover portion and has an engaged portion on an outer wall face of the covered portion. The engaging portion and the engaged portion are configured to be disengaged by warping the cover portion so that the cover portion displaces to an outer wall face side of the cover portion. The one of the body member and the detachable member includes a finger-applying-position indicator at a position deviated from a portion corresponding to the cover portion, on an outer wall face of the one. The finger-applying-position indicator indicates a position to be applied with fingers of a user.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Inventors: Masashi OTA, Munekazu HIRATA, Kunihiko NISHIOKA, Tomoya FUJII, Yohei OSANAI, Satoshi NARAI, Masatoshi ISHIDA, Takayuki ANDOH
  • Publication number: 20200230986
    Abstract: An image forming apparatus includes an apparatus body, a cover, a first positioning member, and a second positioning member. The apparatus body includes a mounted portion. The cover is detachably mounted on the apparatus body. The cover includes a mounting portion configured to be mounted on the mounted portion of the apparatus body. The first positioning member is configured to position the cover at a first target position in a first direction with respect to the apparatus body. The second positioning member is configured to position the cover at a second target position in a second direction orthogonal to the first direction with respect to the apparatus body, before the mounting portion is mounted on the mounted portion after the cover is positioned at the first target position by the first positioning member.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Inventors: Munekazu HIRATA, Tomoya FUJII, Masatoshi ISHIDA, Kunihiko NISHIOKA, Takayuki ANDOH, Masashi OTA, Yohei OSANAI, Satoshi NARAI
  • Patent number: 10696063
    Abstract: A mobile image forming apparatus includes a body; a recording device supported by the body and configured to form an image on a recording medium, and at least one roller provided to the body and configured to rotate on the recording medium while the body is moved in a scanning direction for image formation. The mobile image forming apparatus further includes at least one pressing member disposed in contact with the at least one roller and configured to press the at least one roller in a roller axial direction.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 30, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Akiyoshi Tanaka, Yasunari Harada, Mitsutaka Nakamura
  • Publication number: 20200101751
    Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium and an apparatus body configured to house the recording device. The image forming apparatus further includes an attachment unit configured to be removably mounted in the apparatus body; a protection target disposed downstream, in a mounting direction of the attachment unit, from a mounting position of the attachment unit in the apparatus body; and a contact portion at least a part of which is positioned upstream from the protection target in the mounting direction.
    Type: Application
    Filed: September 3, 2019
    Publication date: April 2, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Munekazu HIRATA, Takayuki ANDOH, Satoshi NARAI, Kunihiko NISHIOKA, Masatoshi ISHIDA, Yohei OSANAI, Tomoya FUJII, Masashi OTA
  • Publication number: 20200101763
    Abstract: An image forming apparatus includes a recording device and an apparatus body to internally house the recording device. The apparatus body includes an attachment unit to be removably mounted in the apparatus body and an apparatus body-side connector. The attachment unit includes an attachment-side connector to be electrically connected to the apparatus body-side connector. The apparatus body also includes a pressing portion to press the attachment unit in a direction in which the attachment-side connector faces the apparatus body-side connector in a state where the attachment unit is attached to the apparatus body. The direction is orthogonal to a mounting direction of the attachment unit. The apparatus body further includes a movable member holding the pressing portion movable between a first position where the pressing portion is closest to the apparatus body-side connector and a second position where the pressing portion is farthest from the apparatus body-side connector.
    Type: Application
    Filed: September 11, 2019
    Publication date: April 2, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Masatoshi Ishida, Kunihiko Nishioka, Yohei Osanai, Satoshi Narai, Tomoya Fujii, Takayuki Andoh, Masashi Ota, Munekazu Hirata
  • Publication number: 20200094548
    Abstract: A liquid discharge apparatus includes an apparatus body, a liquid discharge head configured to discharge a liquid and be removably attached to the apparatus body, and a temperature detection device configured to detect a temperature of the liquid discharge head. The temperature detection device includes a temperature detector disposed in the apparatus body and configured to be in line contact with the liquid discharge head.
    Type: Application
    Filed: August 12, 2019
    Publication date: March 26, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Kunihiko NISHIOKA, Yohei OSANAI, Satoshi NARAI, Munekazu HIRATA, Masatoshi ISHIDA, Takayuki ANDOH, Tomoya FUJII, Masashi OTA
  • Publication number: 20200096897
    Abstract: An image forming apparatuses includes an apparatus body configured to house a replacement part. The apparatus body includes a guiding face configured to guide a guided face of the replacement part. The guided face is on a side along a movement direction in which the replacement part moves between a set position in the apparatus body and an attaching and detaching position at which the replacement part is attached to and detached from the apparatus body. The apparatus further include a moving device configured to move the replacement part between the set position and the attaching and detaching position, and a pressing device configured to press the guided face of the replacement part against the guiding face of the apparatus body while the replacement part moves between the set position and the attaching and detaching position.
    Type: Application
    Filed: August 19, 2019
    Publication date: March 26, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Masashi OTA, Masatoshi ISHIDA, Yohei OSANAI, Satoshi NARAI, Takayuki ANDOH, Tomoya FUJII, Kunihiko NISHIOKA, Munekazu HIRATA
  • Publication number: 20200079112
    Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium, a main body configured to house the recording device, and a cover rotatably attached to the main body. The main body includes a recording face to be disposed opposite the recording medium, a first face positioned opposite the recording face, and a second face positioned between the recording face and the first face. The cover includes a first cover portion configured to cover the first face of the main body, and a second cover portion configured to cover at least a portion of the second face, and the second cover portion is configured to house a battery.
    Type: Application
    Filed: July 25, 2019
    Publication date: March 12, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Yohei OSANAI, Takayuki Andoh, Masatoshi Ishida, Satoshi Narai, Tomoya Fujii, Kunihiko Nishioka, Munekazu Hirata, Masashi Ota
  • Publication number: 20200084333
    Abstract: An image forming apparatus includes a body, an image forming device configured to form an image on a recording medium and supported by the body, an attachment configured to be removably attached to the body, and a cover configured to be removably attached to the body. The cover is configured to cover the attachment attached to the body. The attachment is configured to switch a state in use of the image forming apparatus by attaching and removing of the attachment to and from the body.
    Type: Application
    Filed: June 10, 2019
    Publication date: March 12, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Tomoya FUJII, Takayuki ANDOH, Masatoshi ISHIDA, Yohei OSANAI, Satoshi NARAI, Kunihiko NISHIOKA, Masashi OTA
  • Publication number: 20200079109
    Abstract: An image forming apparatus includes a body including a recording side to be disposed opposite a recording medium and an operation face opposite the recording side. The image forming apparatus further include an image forming device supported on the recording side and configured to form an image on the recording medium, an operation input device configured to input an image formation instruction, and a power operation device configured to power on and off the image forming apparatus. On the operation face, the operation input device is disposed at a first position shifted from a center position on the operation face in a predetermined direction, and the power operation device is disposed at a second position located on an opposite side of the first position with respect to the center position on the operation face.
    Type: Application
    Filed: June 25, 2019
    Publication date: March 12, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Masashi OTA, Tomoya FUJII, Munekazu HIRATA, Satoshi NARAI, Kunihiko NISHIOKA, Yohei OSANAI, Takayuki ANDOH, Masatoshi ISHIDA
  • Patent number: D902990
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 24, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
  • Patent number: D904506
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: December 8, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
  • Patent number: D914083
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada