Patents by Inventor Mitsutaka Nakamura

Mitsutaka Nakamura 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).

  • Publication number: 20210122593
    Abstract: An attachment is attachable to and detachable from a sheet stacking board. The attachment includes an end fence configured to restrict a position of a trailing end of a sheet in a conveying direction. The end fence includes a facing surface facing the trailing end of the sheet. The facing surface includes an inclined surface inclined with respect to a vertical direction of a stacking surface on which the sheet is stacked, such that a higher part of the facing surface is located more upstream in the sheet conveying direction.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 29, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: Mitsutaka NAKAMURA
  • 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
  • Publication number: 20200409263
    Abstract: A photosensitive resin composition containing a resin and a compound each having a structure specified by the present specification provides a cured film having excellent adhesiveness to copper wiring.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Taihei INOUE, Yoshito IDO, Mitsutaka NAKAMURA, Tomoshige YUNOKUCHI, Daisuke SASANO, Takahiro SASAKI
  • Patent number: 10865058
    Abstract: A sheet feeding device, which is included in an image forming apparatus and includes a device attachment body, includes a sheet container configured to accommodate a sheet, a support configured to support a lower face of the sheet in the sheet container, a sheet width regulator configured to regulate a position of the sheet in a sheet width direction, a conveying force applier configured to apply a sheet conveying force in a sheet conveying direction to the sheet in the sheet container, and a sheet guide disposed above the sheet in the sheet container and configured to regulate movement of the sheet in an upper direction.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: December 15, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsutaka Nakamura, Ikuo Fujii
  • Patent number: 10831101
    Abstract: A photosensitive resin composition containing a resin and a compound each having a structure specified by the present specification provides a cured film having excellent adhesiveness to copper wiring.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: November 10, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro Yorisue, Taihei Inoue, Yoshito Ido, Mitsutaka Nakamura, Tomoshige Yunokuchi, Daisuke Sasano, Takahiro Sasaki
  • Patent number: 10811658
    Abstract: An object of the present invention is to provide a separator maintaining high rate characteristics and enabling suppression of short circuit. The object is achieved by a separator comprising a substrate having an inner surface and an outer surface, and inorganic particles presented on the outer surface and the inner surface of the substrate, wherein the substrate has a porosity of 55% or more and a mean flow pore size of 30 ?m or less, the inorganic particles have an average particle size of 1.0 to 4.0 ?m, and the inorganic particles comprises 40% by volume or less of particles having a particle size of 1.0 ?m or less and 30 to 75% by volume of particles having a particle size of 2.0 ?m or more.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: October 20, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yusuke Yamada, Makoto Uozumi, Takashi Misao, Mitsutaka Nakamura, Masaaki Sasayama, Kazufumi Kato
  • 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: 20200086656
    Abstract: A jig for an image forming apparatus that forms an image on a recording medium with movement in a scanning direction includes a base including an apparatus positioning reference extending in a first direction to be aligned with the scanning direction. The apparatus positioning reference is a reference in positioning the image forming apparatus in a second direction orthogonal to the first direction. The jig further include a displacement stopper configured to prevent a relative positional displacement between the jig and the recording medium, and a switching device configured to switch the displacement stopper between an operating state and a non-operating state.
    Type: Application
    Filed: July 15, 2019
    Publication date: March 19, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Mitsutaka NAKAMURA
  • Publication number: 20190389238
    Abstract: A jig for an image forming apparatus that forms an image on a recording medium while being moved in a scanning direction includes a first portion extending in a first direction to be aligned with the scanning direction and a second portion extending in a second direction orthogonal to the first direction. The first portion includes an apparatus positioning reference extending in the first direction, and the apparatus positioning reference is a reference in positioning the image forming apparatus in an orthogonal direction orthogonal to the scanning direction. The second portion includes a jig positioning reference as a reference in positioning the jig relative to the recording medium in the orthogonal direction.
    Type: Application
    Filed: May 13, 2019
    Publication date: December 26, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Mitsutaka Nakamura, Yasunari Harada
  • Publication number: 20190283467
    Abstract: An image forming apparatus includes a body, a recording device supported by the body and including a recording section configured to form an image on a recording medium, and two roller portions provided to the body. The two roller portions are configured to rotate on the recording medium while the body is moved in a scanning direction for image formation. The two roller portions are combined into a roller unit to rotate coaxially.
    Type: Application
    Filed: January 9, 2019
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Toshikane Nishii, Hiroshi ISHII, Kunihiko NISHIOKA, Akiyoshi TANAKA, Yasunari HARADA, Mitsutaka NAKAMURA
  • Publication number: 20190283452
    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: Application
    Filed: December 11, 2018
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Toshikane NISHII, Hiroshi Ishii, Kunihiko Nishioka, Mitsutaka Nakamura, Akiyoshi Tanaka, Yasunari Harada
  • Publication number: 20190283453
    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: Application
    Filed: December 27, 2018
    Publication date: September 19, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Akiyoshi Tanaka, Yasunari Harada, Mitsutaka Nakamura
  • Patent number: 10315878
    Abstract: A sheet conveying device, which is included in a sheet discharging device and an image forming apparatus, includes a contact body configured to rotate while contacting a sheet in conveyance, a shaft configured to rotate together with the contact body in a range of rotation of the contact body, a sheet detector configured to detect the sheet through detection of rotation of the shaft, and a rotary body support configured to rotatably support the contact body to the shaft, extending the range of rotation, in a same direction as the direction of rotation of the shaft. The sheet discharging device includes a sheet discharging body, a sheet stacker of the sheet discharged, and the above-described sheet conveying device. The sheet detector is a stack height detector configured to detec't that the height of the sheet stacked on the sheet stacker is equal to or higher than a predetermined height.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: June 11, 2019
    Assignee: Ricoh Company, Ltd.
    Inventor: Mitsutaka Nakamura
  • Publication number: 20190135560
    Abstract: A sheet feeding device, which is included in an image forming apparatus and includes a device attachment body, includes a sheet container configured to accommodate a sheet, a support configured to support a lower face of the sheet in the sheet container, a sheet width regulator configured to regulate a position of the sheet in a sheet width direction, a conveying force applier configured to apply a sheet conveying force in a sheet conveying direction to the sheet in the sheet container, and a sheet guide disposed above the sheet in the sheet container and configured to regulate movement of the sheet in an upper direction.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 9, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Mitsutaka NAKAMURA, lkuo Fujii
  • Publication number: 20190113845
    Abstract: A photosensitive resin composition containing a resin and a compound each having a structure specified by the present specification provides a cured film having excellent adhesiveness to copper wiring.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 18, 2019
    Applicants: ASAHI KASEI KABUSHIKI KAISHA, ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Taihei INOUE, Yoshito IDO, Mitsutaka NAKAMURA, Tomoshige YUNOKUCHI, Daisuke SASANO, Takahiro SASAKI
  • Patent number: 10196220
    Abstract: A sheet feeding device, which is included in an image forming apparatus and includes a device attachment body, includes a sheet container configured to accommodate a sheet, a support configured to support a lower face of the sheet in the sheet container, a sheet width regulator configured to regulate a position of the sheet in a sheet width direction, a conveying force applier configured to apply a sheet conveying force in a sheet conveying direction to the sheet in the sheet container, and a sheet guide disposed above the sheet in the sheet container and configured to regulate movement of the sheet in an upper direction.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: February 5, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsutaka Nakamura, Ikuo Fujii
  • Publication number: 20180373147
    Abstract: A negative-type photosensitive resin composition that has a satisfactory imidization rate and can yield a resin layer with high chemical resistance, even under low-temperature curing conditions of 200° C. or below, the negative-type photosensitive resin composition containing a photopolymerization initiator (B) in a proportion of 0.1 part by mass to 20 parts by mass with respect to 100 parts by mass of a polyimide precursor (A), the polyimide precursor (A) being a polyamic acid ester or polyamic acid salt with a specific structure, and the weight-average molecular weight (Mw) of the polyimide precursor (A) being 3,000 or greater and less than 16,000, in terms of polystyrene, according to gel permeation chromatography (GPC).
    Type: Application
    Filed: August 17, 2017
    Publication date: December 27, 2018
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Mitsutaka NAKAMURA, Taihei INOUE, Tatsuya HIRATA, Takahiro SASAKI
  • Publication number: 20180179010
    Abstract: A sheet conveying device, which is included in a sheet discharging device and an image forming apparatus, includes a contact body configured to rotate while contacting a sheet in conveyance, a shaft configured to rotate together with the contact body in a range of rotation of the contact body, a sheet detector configured to detect the sheet through detection of rotation of the shaft, and a rotary body support configured to rotatably support the contact body to the shaft, extending the range of rotation, in a same direction as the direction of rotation of the shaft. The sheet discharging device includes a sheet discharging body, a sheet stacker of the sheet discharged, and the above-described sheet conveying device. The sheet detector is a stack height detector configured to detec't that the height of the sheet stacked on the sheet stacker is equal to or higher than a predetermined height.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 28, 2018
    Applicant: Ricoh Company, Ltd.
    Inventor: Mitsutaka NAKAMURA
  • Publication number: 20180051017
    Abstract: The present invention provides a novel method for treatment of schizophrenia which can improve wide-ranging symptoms of schizophrenia, especially positive symptoms and negative symptoms without being accompanied by extrapyramidal symptoms, which comprises orally administering as an active compound (1R,2S,3R,4S)-N-[(1R,2R)-2-[4-(1,2-benzoisothiazol-3-yl)-1-piperazinylmethyl]-1-cyclohexylmethyl]-2,3-bicyclo[2.2.1]heptanedicarboxyimide or a pharmaceutically acceptable salt thereof (e.g., hydrochloride) at a daily dose of 5 mg to 120 mg once a day to a patient with schizophrenia, and a therapeutic agent to be used in said method.
    Type: Application
    Filed: October 6, 2017
    Publication date: February 22, 2018
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Mitsutaka NAKAMURA, Masaaki Ogasa, Shunsuke Sami
  • Publication number: 20170349390
    Abstract: A sheet feeding device, which is included in an image forming apparatus and includes a device attachment body, includes a sheet container configured to accommodate a sheet, a support configured to support a lower face of the sheet in the sheet container, a sheet width regulator configured to regulate a position of the sheet in a sheet width direction, a conveying force applier configured to apply a sheet conveying force in a sheet conveying direction to the sheet in the sheet container, and a sheet guide disposed above the sheet in the sheet container and configured to regulate movement of the sheet in an upper direction.
    Type: Application
    Filed: May 30, 2017
    Publication date: December 7, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Mitsutaka NAKAMURA, Ikuo FUJII