Patents by Inventor Shouta SUYAMA

Shouta SUYAMA 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: 11319021
    Abstract: A bicycle rear derailleur includes a base member, a chain guide, a movable member and a first link member. The base member is configured to be mounted to a bicycle frame at a frame mounting axis. The chain guide includes a first pulley rotatably arranged around a first pulley axis in a first pulley plane. The movable member pivotally supports the chain guide about a pivot axis. The first link member moves the chain guide between first and second lateral positions. The first lateral position is closer to a bicycle center plane. The first pulley plane intersects the first link member in a state where the chain guide is located at the second lateral position. The frame mounting axis is spaced from the pivot axis by a distance equal to or larger than eighty-nine millimeters when the chain guide is at the first lateral position.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: May 3, 2022
    Assignee: Shimano Inc.
    Inventors: Shouta Suyama, Atsuhiro Emura, Kenta Nakamura
  • Patent number: 10703442
    Abstract: A bicycle rear derailleur is basically provided with a chain guide and an indicator. The chain guide includes a guide pulley. The indicator is provided on the chain guide such that the indicator disposed on or in an outer periphery of the chain guide. The indicator is indicative of a setting position of an outer circumference of a sprocket of a bicycle rear sprocket assembly relative to the guide pulley.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: July 7, 2020
    Assignee: Shimano Inc.
    Inventors: Atsuhiro Emura, Shouta Suyama
  • Patent number: 10501147
    Abstract: A bicycle derailleur is basically provided with a base member, a movable member, a link structure and a cable interactive structure. The link structure is configured to movably connect the movable member relative to the base member. The cable interactive structure is provided on the link structure. The cable interactive structure includes a chain barrier portion. The chain barrier portion is configured to prevent a chain from contacting the link structure.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: December 10, 2019
    Assignee: Shimano Inc.
    Inventors: Shouta Suyama, Atsuhiro Emura, Kenta Nakamura
  • Patent number: 10464634
    Abstract: A bicycle rear derailleur is basically provided with a base member including a frame mounting portion having a mounting opening, and a fastening member extending through the mounting opening of the base member. The fastening member has a first threaded portion and a placement portion adjacent to the first threaded portion. An adjusting member is configured to adjust a position of the bicycle rear derailleur relative to a bicycle. An intermediate member includes a contact portion disposed between the adjusting member and the bicycle. The intermediate member has a second threaded portion configured to threadedly engage with the first threaded portion of the fastening member. The second threaded portion has an innermost diameter that is smaller than the outermost diameter of the first threaded portion. The intermediate member is disposed on the placement portion of the fastening member.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 5, 2019
    Assignee: Shimano Inc.
    Inventors: Takeshi Ueda, Shouta Suyama, Kenta Nakamura
  • Publication number: 20190061877
    Abstract: A bicycle rear derailleur includes a base member, a chain guide, a movable member and a first link member. The base member is configured to be mounted to a bicycle frame at a frame mounting axis. The chain guide includes a first pulley rotatably arranged around a first pulley axis in a first pulley plane. The movable member pivotally supports the chain guide about a pivot axis. The first link member moves the chain guide between first and second lateral positions. The first lateral position is closer to a bicycle center plane. The first pulley plane intersects the first link member in a state where the chain guide is located at the second lateral position. The frame mounting axis is spaced from the pivot axis by a distance equal to or larger than eighty-nine millimeters when the chain guide is at the first lateral position.
    Type: Application
    Filed: August 23, 2017
    Publication date: February 28, 2019
    Inventors: Shouta SUYAMA, Atsuhiro EMURA, Kenta NAKAMURA
  • Publication number: 20190061876
    Abstract: A bicycle derailleur is basically provided with a base member, a movable member, a link structure and a cable interactive structure. The link structure is configured to movably connect the movable member relative to the base member. The cable interactive structure is provided on the link structure. The cable interactive structure includes a chain barrier portion. The chain barrier portion is configured to prevent a chain from contacting the link structure.
    Type: Application
    Filed: August 22, 2017
    Publication date: February 28, 2019
    Inventors: Shouta SUYAMA, Atsuhiro EMURA, Kenta NAKAMURA
  • Publication number: 20190016412
    Abstract: A bicycle rear derailleur is basically provided with a chain guide and an indicator. The chain guide includes a guide pulley. The indicator is provided on the chain guide such that the indicator disposed on or in an outer periphery of the chain guide. The indicator is indicative of a setting position of an outer circumference of a sprocket of a bicycle rear sprocket assembly relative to the guide pulley.
    Type: Application
    Filed: July 14, 2017
    Publication date: January 17, 2019
    Inventors: Atsuhiro EMURA, Shouta SUYAMA
  • Publication number: 20190016411
    Abstract: A bicycle rear derailleur is basically provided with a base member including a frame mounting portion having a mounting opening, and a fastening member extending through the mounting opening of the base member. The fastening member has a first threaded portion and a placement portion adjacent to the first threaded portion. An adjusting member is configured to adjust a position of the bicycle rear derailleur relative to a bicycle. An intermediate member includes a contact portion disposed between the adjusting member and the bicycle. The intermediate member has a second threaded portion configured to threadedly engage with the first threaded portion of the fastening member. The second threaded portion has an innermost diameter that is smaller than the outermost diameter of the first threaded portion. The intermediate member is disposed on the placement portion of the fastening member.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 17, 2019
    Inventors: Takeshi UEDA, Shouta SUYAMA, Kenta NAKAMURA