Patents by Inventor Tetsu Nonoshita

Tetsu Nonoshita 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: 11897581
    Abstract: A bicycle sprocket comprises at least one chain engaging member constituting at least a part of at least one sprocket tooth of the bicycle sprocket. The at least one chain engaging member is configured to contact a bicycle chain in a state where the bicycle chain engages with the bicycle sprocket. The at least one chain engaging member is made of a first material. At least one bicycle attachment member constitutes at least a part of a sprocket body of the bicycle sprocket. The at least one bicycle attachment member is configured to be coupled to a bicycle. The at least one bicycle attachment member is made of a second material that is different from the first material. At least one shifting facilitation area is provided in the at least one chain engaging member to facilitate a shifting operation of a bicycle chain.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: February 13, 2024
    Assignee: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10875355
    Abstract: A bicycle component comprises a first structural member made of a conducting material, an electrical insulation layer provided to the first structural member, and a second structural member configured to be attached to the electrical insulation layer by adhesive.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 29, 2020
    Assignee: SHIMANO INC.
    Inventors: Toru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10864964
    Abstract: A bicycle rear sprocket assembly 28 comprises a sprocket carrier 31, at least one metallic support 33, and at least one rear sprocket 28a-28h. The sprocket carrier 31 is made of a non-metallic material. The at least one metallic support 33 is attached to at least one of a first circumferentially facing surface 41 and a second circumferentially facing surface 43 of at least one mounting arm 39 of the sprocket carrier 31. The at least one rear sprocket 28a-28h is made of a metallic material. A sprocket body 51 of the at least one rear sprocket 28a-28h is attached to the at least one metallic support 33.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 15, 2020
    Inventors: Toru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Publication number: 20200346713
    Abstract: A bicycle sprocket comprises at least one chain engaging member constituting at least a part of at least one sprocket tooth of the bicycle sprocket. The at least one chain engaging member is configured to contact a bicycle chain in a state where the bicycle chain engages with the bicycle sprocket. The at least one chain engaging member is made of a first material. At least one bicycle attachment member constitutes at least a part of a sprocket body of the bicycle sprocket. The at least one bicycle attachment member is configured to be coupled to a bicycle. The at least one bicycle attachment member is made of a second material that is different from the first material. At least one shifting facilitation area is provided in the at least one chain engaging member to facilitate a shifting operation of a bicycle chain.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Applicant: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10774915
    Abstract: A bicycle sprocket assembly comprises a plurality of sprockets and a first support element. The plurality of sprockets is arranged coaxially about a rotational center axis of the bicycle sprocket assembly. The plurality of sprockets includes a first sprocket. The first sprocket includes a first toothed ring and a first sprocket body at least partly disposed radially inwardly of the first toothed ring with respect to the rotational center axis. The first toothed ring is made of a first material. The first sprocket body is made of a second material that is different from the first material. The first support element extends from the first sprocket to a second sprocket adjacent to the first sprocket in an axial direction with respect to the rotational center axis. The first support element is made of a first additional material that is different from the second material.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: September 15, 2020
    Assignee: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10584786
    Abstract: A bicycle sprocket assembly comprises a sprocket support member and a reinforcement member. The sprocket support member is configured to support a sprocket. The sprocket support member includes a central cylindrical portion and at least one sprocket support portion extending radially outwardly from the central cylindrical portion with respect to a rotational center axis of the bicycle sprocket assembly. The sprocket support member is made of a non-metallic material. The reinforcement member is provided in the central cylindrical portion to reinforce the central cylindrical portion in a circumferential direction about the rotational center axis.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: March 10, 2020
    Assignee: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Publication number: 20200070934
    Abstract: A bicycle rear sprocket assembly 28 comprises a sprocket carrier 31, at least one metallic support 33, and at least one rear sprocket 28a-28h. The sprocket carrier 31 is made of a non-metallic material. The at least one metallic support 33 is attached to at least one of a first circumferentially facing surface 41 and a second circumferentially facing surface 43 of at least one mounting arm 39 of the sprocket carrier 31. The at least one rear sprocket 28a-28h is made of a metallic material. A sprocket body 51 of the at least one rear sprocket 28a-28h is attached to the at least one metallic support 33.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 5, 2020
    Inventors: Toru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Patent number: 10538287
    Abstract: A bicycle crank arm is basically provided that includes a first structural member and a second structural member attached to the first structural member. The first structural member is made of a first material including a non-metallic material. The second structural member is made of a second material that is different from the first material.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: January 21, 2020
    Assignee: Shimano Inc.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10442496
    Abstract: A bicycle sprocket assembly comprises a sprocket support member. The sprocket support member comprises a central cylindrical portion and a plurality of sprocket support portions. The plurality of sprocket support portions extends radially outwardly from the central cylindrical portion with respect to a rotational center axis of the bicycle sprocket assembly. At least one sprocket support portion of the plurality of sprocket support portions comprises at least one radially extending surface, at least one axially extending surface, and an interior cavity. The at least one radially extending surface extends radially relative to the rotational center axis to support at least one of the at least one sprocket. The at least one axially extending surface extends in an axial direction parallel to the rotational center axis.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 15, 2019
    Assignee: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Patent number: 10377445
    Abstract: A bicycle front sprocket assembly is basically provided with a first sprocket, a second sprocket, a sprocket carrier and a chain guiding portion. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth disposed on a first outer periphery of the first sprocket body, The second sprocket includes a second sprocket body and a plurality of second sprocket teeth. The second sprocket teeth are disposed on a second outer periphery of the second sprocket body. The sprocket carrier includes a torque transmitting profile and a sprocket mounting portion. The chain guiding portion is positioned between the first and second sprockets in an axial direction parallel to a rotational center axis of the bicycle front sprocket assembly. At least one of the first and second sprockets is mounted to the sprocket mounting portion of the sprocket carrier by a non-threaded fastener.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: August 13, 2019
    Assignee: Shimano Inc.
    Inventors: Yuki Hirose, Atsuhiro Emura, Tetsu Nonoshita
  • Publication number: 20190202233
    Abstract: A bicycle component comprises a first structural member made of a conducting material, an electrical insulation layer provided to the first structural member, and a second structural member configured to be attached to the electrical insulation layer by adhesive.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 4, 2019
    Applicant: SHIMANO INC.
    Inventors: Toru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Patent number: 10315724
    Abstract: A composite bicycle component includes a first member made of a metallic material. The first member has a surface with a first dimple. The first dimple includes a second dimple that is formed on the first dimple. Preferably, the composite bicycle component further includes a second member attached to the first member so that a part of the second member extends into the first and second dimples.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: June 11, 2019
    Assignee: Shimano Inc.
    Inventors: Tetsu Nonoshita, Toyoshi Yoshida, Wataru Yamauchi
  • Patent number: 10259262
    Abstract: A bicycle rim comprises a base member, a cover member, and a spoke attachment member. The base member includes a truss structure that defines at least one opening. The cover member at least partly covers the at least one opening of the base member. The spoke attachment member is a separate member from the base member and the cover member. The spoke attachment member is non-rotatably attached to the base member.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 16, 2019
    Assignee: SHIMANO INC.
    Inventors: Tooru Iwai, Tetsu Nonoshita, Toyoshi Yoshida
  • Publication number: 20180346066
    Abstract: A bicycle sprocket assembly comprises a plurality of sprockets and a first support element. The plurality of sprockets is arranged coaxially about a rotational center axis of the bicycle sprocket assembly. The plurality of sprockets includes a first sprocket. The first sprocket includes a first toothed ring and a first sprocket body at least partly disposed radially inwardly of the first toothed ring with respect to the rotational center axis. The first toothed ring is made of a first material. The first sprocket body is made of a second material that is different from the first material. The first support element extends from the first sprocket to a second sprocket adjacent to the first sprocket in an axial direction with respect to the rotational center axis. The first support element is made of a first additional material that is different from the second material.
    Type: Application
    Filed: May 30, 2017
    Publication date: December 6, 2018
    Applicant: SHIMANO INC.
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Publication number: 20180281898
    Abstract: A bicycle sprocket assembly comprises a sprocket support member. The sprocket support member comprises a central cylindrical portion and a plurality of sprocket support portions. The plurality of sprocket support portions extends radially outwardly from the central cylindrical portion with respect to a rotational center axis of the bicycle sprocket assembly. At least one sprocket support portion of the plurality of sprocket support portions comprises at least one radially extending surface, at least one axially extending surface, and an interior cavity. The at least one radially extending surface extends radially relative to the rotational center axis to support at least one of the at least one sprocket. The at least one axially extending surface extends in an axial direction parallel to the rotational center axis.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 4, 2018
    Applicant: SHIMANO INC.
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Publication number: 20180283520
    Abstract: A bicycle sprocket assembly comprises a sprocket support member and a reinforcement member. The sprocket support member is configured to support a sprocket. The sprocket support member includes a central cylindrical portion and at least one sprocket support portion extending radially outwardly from the central cylindrical portion with respect to a rotational center axis of the bicycle sprocket assembly. The sprocket support member is made of a non-metallic material. The reinforcement member is provided in the central cylindrical portion to reinforce the central cylindrical portion in a circumferential direction about the rotational center axis.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 4, 2018
    Applicant: SHIMANO INC.
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Publication number: 20180207979
    Abstract: A bicycle rim comprises a base member, a cover member, and a spoke attachment member. The base member includes a truss structure that defines at least one opening. The cover member at least partly covers the at least one opening of the base member. The spoke attachment member is a separate member from the base member and the cover member. The spoke attachment member is non-rotatably attached to the base member.
    Type: Application
    Filed: January 20, 2017
    Publication date: July 26, 2018
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Publication number: 20180194431
    Abstract: A bicycle sprocket comprises at least one chain engaging member constituting at least a part of at least one sprocket tooth of the bicycle sprocket. The at least one chain engaging member is configured to contact a bicycle chain in a state where the bicycle chain engages with the bicycle sprocket. The at least one chain engaging member is made of a first material. At least one bicycle attachment member constitutes at least a part of a sprocket body of the bicycle sprocket. The at least one bicycle attachment member is configured to be coupled to a bicycle. The at least one bicycle attachment member is made of a second material that is different from the first material. At least one shifting facilitation area is provided in the at least one chain engaging member to facilitate a shifting operation of a bicycle chain.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 12, 2018
    Applicant: SHIMANO INC.
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA
  • Publication number: 20180079467
    Abstract: A bicycle front sprocket assembly is basically provided with a first sprocket, a second sprocket, a sprocket carrier and a chain guiding portion. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth disposed on a first outer periphery of the first sprocket body, The second sprocket includes a second sprocket body and a plurality of second sprocket teeth. The second sprocket teeth are disposed on a second outer periphery of the second sprocket body. The sprocket carrier includes a torque transmitting profile and a sprocket mounting portion. The chain guiding portion is positioned between the first and second sprockets in an axial direction parallel to a rotational center axis of the bicycle front sprocket assembly. At least one of the first and second sprockets is mounted to the sprocket mounting portion of the sprocket carrier by a non-threaded fastener.
    Type: Application
    Filed: September 20, 2016
    Publication date: March 22, 2018
    Inventors: Yuki HIROSE, Atsuhiro EMURA, Tetsu NONOSHITA
  • Publication number: 20180057106
    Abstract: A bicycle crank arm is basically provided that includes a first structural member and a second structural member attached to the first structural member. The first structural member is made of a first material including a non-metallic material. The second structural member is made of a second material that is different from the first material.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 1, 2018
    Inventors: Tooru IWAI, Tetsu NONOSHITA, Toyoshi YOSHIDA