Patents by Inventor Yohei MATSUOKA

Yohei MATSUOKA 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: 20200395397
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Application
    Filed: May 4, 2020
    Publication date: December 17, 2020
    Applicant: NIKON CORPORATION
    Inventors: Toru TAKAGI, Satoshi NAKAYAMA, Ryoji ANDO, Takashi SEO, Yohei MATSUOKA, Yoshiyuki WATANABE
  • Patent number: 10686001
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: June 16, 2020
    Assignee: NIKON CORPORATION
    Inventors: Toru Takagi, Satoshi Nakayama, Ryoji Ando, Takashi Seo, Yohei Matsuoka, Yoshiyuki Watanabe
  • Patent number: 10571850
    Abstract: An end member is disposed in an end portion of a columnar rotating body, comprising: a shaft member; and a bearing member which holds the shaft member, wherein the shaft member comprises: a rotating shaft; and a rotating force receiving portion, and wherein at least one of the shaft member and the bearing member has a mechanism where the rotating force receiving portion moves also in a shaft line direction without be inclined by a movement of the rotating force receiving portion in a direction orthogonal to the shaft line direction or by a rotation of the rotating force receiving portion around a shaft line.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: February 25, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yohei Matsuoka, Shuichi Ikeda, Yasunori Kawai, Kozo Ishio
  • Patent number: 10534308
    Abstract: A transmission device includes a gear member, an intermediate member removably attached to the gear member and including a guiding groove, and a transmitter including a shaft, the shaft having at least one protrusion extending radially outward from the shaft, and the guiding groove is shaped such that the protrusion is movable along the guiding groove in an axial direction and rotatable relative to the guiding groove.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: January 14, 2020
    Assignees: Mitsubishi Chemical Corporation, General Plastic Industrial Co., Ltd.
    Inventors: Shuichi Ikeda, Yohei Matsuoka
  • Patent number: 10459403
    Abstract: An end member disposed in an end portion of a columnar rotating body, comprising: a shaft member; and a bearing member to which the shaft member is attached, wherein the bearing member includes a rotating force transmission pin, a tubular body, and a pin holding portion, the shaft member includes a rotating shaft, a rotating force receiving portion, and a base end portion.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: October 29, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yohei Matsuoka, Shuichi Ikeda, Yasunori Kawai, Kozo Ishio
  • Patent number: 10254702
    Abstract: An end member includes a tubular bearing member and a shaft member held by the bearing member. The shaft member includes a rotating shaft rotatable around an axis and movable in an axial direction, and a rotating force receiving member disposed in one end portion of the rotating shaft and including an engaging member to be engaged with a driving shaft of the image forming apparatus body. The engaging member is switchable between a posture of being engaged with the driving shaft and a posture of not being engaged with the driving shaft. A maximum static friction coefficient applied when the rotating shaft moves in a rotating axial direction with respect to the bearing member is equal to or less than 0.40 where a force that acts in a direction orthogonal to a frictional force direction is 2.5 to 10.5 N.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: April 9, 2019
    Assignees: Mitsubishi Chemical Corporation, General Plastic Industrial Co., Ltd.
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Shinichi Iijima
  • Patent number: 10203647
    Abstract: An end member (40) is disposed in an end portion of a columnar rotating body (20, 306), comprises: a bearing member (41); and a shaft member (70), in which the bearing member includes a main body (45) having a tubular body (46) and a holding portion (50) disposed on an inner side of the tubular body, and an intermediate member (60) held by the holding portion of the main body, in which one end side of the shaft member is held by the intermediate member, the intermediate member is snap-fit jointed to the holding portion of the main body to be rotatable around one axis, and the shaft member is snap-fit jointed to the intermediate member to be rotatable around an axis which is different from the axis of rotation of the intermediate member.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: February 12, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuichi Ikeda, Yohei Matsuoka
  • Patent number: 10146167
    Abstract: An end member which is disposed in an end portion of a columnar rotating body mounted on an image forming apparatus main body, comprises: a tubular bearing member; and a shaft member held by the bearing member, wherein the shaft member includes a rotating shaft which is disposed in the bearing member, and moves in an axial direction, and a rotating force receiving member which is provided with an engagement hook that is disposed in one end portion of the rotating shaft, swings with respect to an axis of the rotating shaft, and is engaged with a driving shaft of the image forming apparatus main body.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: December 4, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Susumu Taguchi, Shinichi Iijima
  • Patent number: 10133235
    Abstract: There is provided an end member which is disposed in an end portion of a columnar rotating body mounted on an image forming apparatus main body, comprising: a tubular bearing member; and a shaft member held by the bearing member, in which the shaft member includes a rotating shaft which oscillates within a range of 18° or less with respect to a direction along an axis of the bearing member, a rotating force receiving member which is disposed in one end portion of the rotating shaft and is provided with an engaging member which is engaged with a driving shaft of the image forming apparatus main body, and a regulating member which is engaged with or disengaged from the rotating shaft or the rotating force receiving member by pressing, and switches a posture in which the engaging member is engaged with the driving shaft and a posture in which the engaging member is not engaged with the driving shaft.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: November 20, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Shinichi Iijima, Teruyuki Mitsumori, Daishi Kato, Hiroshi Takata
  • Publication number: 20180308889
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Application
    Filed: September 26, 2016
    Publication date: October 25, 2018
    Applicant: NIKON CORPORATION
    Inventors: Toru TAKAGI, Satoshi NAKAYAMA, Ryoji ANDO, Takashi SEO, Yohei MATSUOKA, Yoshiyuki WATANABE
  • Publication number: 20180284686
    Abstract: An end member is disposed in an end portion of a columnar rotating body, comprising: a shaft member; and a bearing member which holds the shaft member, wherein the shaft member comprises: a rotating shaft; and a rotating force receiving portion, and wherein at least one of the shaft member and the bearing member has a mechanism where the rotating force receiving portion moves also in a shaft line direction without be inclined by a movement of the rotating force receiving portion in a direction orthogonal to the shaft line direction or by a rotation of the rotating force receiving portion around a shaft line.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 4, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yohei Matsuoka, Shuichi Ikeda, Yasunori Kawai, Kozo Ishio
  • Publication number: 20180275591
    Abstract: An end member (40) is disposed in an end portion of a columnar rotating body (20, 306), comprises: a bearing member (41); and a shaft member (70), in which the bearing member includes a main body (45) having a tubular body (46) and a holding portion (50) disposed on an inner side of the tubular body, and an intermediate member (60) held by the holding portion of the main body, in which one end side of the shaft member is held by the intermediate member, the intermediate member is snap-fit jointed to the holding portion of the main body to be rotatable around one axis, and the shaft member is snap-fit jointed to the intermediate member to be rotatable around an axis which is different from the axis of rotation of the intermediate member.
    Type: Application
    Filed: May 21, 2018
    Publication date: September 27, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shuichi IKEDA, Yohei Matsuoka
  • Publication number: 20180259898
    Abstract: An end member disposed in an end portion of a columnar rotating body, comprising: a shaft member; and a bearing member to which the shaft member is attached, wherein the bearing member includes a rotating force transmission pin, a tubular body, and a pin holding portion, the shaft member includes a rotating shaft, a rotating force receiving portion, and a base end portion.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 13, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yohei Matsuoka, Shuichi Ikeda, Yasunori Kawai, Kozo Ishio
  • Patent number: 10042310
    Abstract: An end member is disposed at an end portion of a columnar rotating body mounted on an image forming apparatus body. The end member includes a tubular bearing member and a shaft member held by the bearing member. The shaft member includes a shaft-like rotating shaft which is disposed coaxially to the bearing member, and which rotates around a shaft line with respect to the bearing member to move in a direction of the shaft line, and a tip end member which is disposed coaxially to the rotating shaft, and at which a rotating force receiving member having a tip end provided with an engaging member which engages with a driving shaft of the image forming apparatus body is disposed. A rotating force around the shaft line is transmitted to the rotating force receiving member, the rotating shaft, and the bearing member in order.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: August 7, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Yasunori Kawai, Susumu Taguchi
  • Publication number: 20180203403
    Abstract: An end member includes a tubular bearing member and a shaft member held by the bearing member. The shaft member includes a rotating shaft rotatable around an axis and movable in an axial direction, and a rotating force receiving member disposed in one end portion of the rotating shaft and including an engaging member to be engaged with a driving shaft of the image forming apparatus body. The engaging member is switchable between a posture of being engaged with the driving shaft and a posture of not being engaged with the driving shaft. A maximum static friction coefficient applied when the rotating shaft moves in a rotating axial direction with respect to the bearing member is equal to or less than 0.40 where a force that acts in a direction orthogonal to a frictional force direction is 2.5 to 10.5 N.
    Type: Application
    Filed: December 15, 2017
    Publication date: July 19, 2018
    Applicants: Mitsubishi Chemical Corporation, GENERAL PLASTIC INDUSTRIAL CO., LTD.
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Shinichi Iijima
  • Patent number: 10012951
    Abstract: An end member (30) comprises: a tubular bearing member (40); and a shaft member (50), wherein the shaft member comprises: a shaft-like rotating shaft (51) which is disposed coaxially to the bearing member, and moves in the shaft line direction by rotating around a shaft line with respect to the bearing member; and a tip end member (55) which is disposed coaxially to the rotating shaft, and where a rotating force receiving member (58) provided with an engaging member (60) which engages with a driving shaft (70) of the image forming apparatus main body is disposed at a tip end, wherein a rotating force around the shaft line is transmitted to the rotating force receiving member, the rotating shaft, and the bearing member, in this order, and the rotating force receiving member moves to be inclined with respect to the shaft line.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: July 3, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuichi Ikeda, Yohei Matsuoka
  • Patent number: 10007223
    Abstract: An end member (40) is disposed in an end portion of a columnar rotating body (20, 306), comprises: a bearing member (41); and a shaft member (70), in which the bearing member includes a main body (45) having a tubular body (46) and a holding portion (50) disposed on an inner side of the tubular body, and an intermediate member (60) held by the holding portion of the main body, in which one end side of the shaft member is held by the intermediate member, the intermediate member is snap-fit jointed to the holding portion of the main body to be rotatable around one axis, and the shaft member is snap-fit jointed to the intermediate member to be rotatable around an axis which is different from the axis of rotation of the intermediate member.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: June 26, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuichi Ikeda, Yohei Matsuoka
  • Publication number: 20180039222
    Abstract: A transmission device includes a gear member, an intermediate member removably attached to the gear member and including a guiding groove, and a transmitter including a shaft, the shaft having at least one protrusion extending radially outward from the shaft, and the guiding groove is shaped such that the protrusion is movable along the guiding groove in an axial direction and rotatable relative to the guiding groove.
    Type: Application
    Filed: September 25, 2017
    Publication date: February 8, 2018
    Applicants: Mitsubishi Chemical Corporation, General Plastic Industrial Co., Ltd.
    Inventors: Shuichi IKEDA, Yohei MATSUOKA
  • Publication number: 20170371297
    Abstract: There is provided an end member which is disposed in an end portion of a columnar rotating body mounted on an image forming apparatus main body, comprising: a tubular bearing member; and a shaft member held by the bearing member, in which the shaft member includes a rotating shaft which oscillates within a range of 18° or less with respect to a direction along an axis of the bearing member, a rotating force receiving member which is disposed in one end portion of the rotating shaft and is provided with an engaging member which is engaged with a driving shaft of the image forming apparatus main body, and a regulating member which is engaged with or disengaged from the rotating shaft or the rotating force receiving member by pressing, and switches a posture in which the engaging member is engaged with the driving shaft and a posture in which the engaging member is not engaged with the driving shaft.
    Type: Application
    Filed: August 11, 2017
    Publication date: December 28, 2017
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shuichi IKEDA, Yohei MATSUOKA, Shinichi llJIMA, Teruyuki MITSUMORI, Daishi KATO, Hiroshi TAKATA
  • Patent number: 9804551
    Abstract: Provided is an end member which allows appropriate transmission of rotary power, and smooth attachment and detachment with respect to an apparatus body. The end member includes a tubular bearing member and a shaft member that is held by the bearing member.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: October 31, 2017
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuichi Ikeda, Yohei Matsuoka, Shinichi Iijima, Teruyuki Mitsumori, Daishi Kato, Hiroshi Takata