Patents by Inventor Satoshi Shahana

Satoshi Shahana 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: 20230034333
    Abstract: To provide a shifting control device and an electric shifting system allowing a user to comfortably ride a human-powered vehicle, a shifting control device comprising a controller configured to control a shifting device in accordance with a first operation performed on an operating device for braking a rotary body of a human-powered vehicle.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 2, 2023
    Inventors: Takafumi Nishino, Toshihiko Takahashi, Daisuke Nago, Satoshi Shahana
  • Patent number: 11521117
    Abstract: A control data creation device is provided that has an acquisition part, a creation part and an evaluation part. The acquisition part acquires input information concerning traveling of a human-powered vehicle. The creation part creates by a learning algorithm a learning model that outputs output information concerning control of a component of the human-powered vehicle based on input information acquired by the acquisition part. The evaluation part evaluates output information output from the learning model. The creation part updates the learning model based on training data including an evaluation by the evaluation part, input information corresponding to an output of the output information and the output information.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: December 6, 2022
    Assignee: Shimano Inc.
    Inventors: Hayato Shimazu, Hitoshi Takayama, Satoshi Shahana, Takehiko Nakajima
  • Patent number: 11518475
    Abstract: A control device includes an electronic controller configured to control a transmission to shift a transmission ratio of a human-powered vehicle in accordance with a first shifting condition set based on a first reference value. The electronic controller is configured to control the transmission to restrict shifting of the transmission ratio of the human-powered vehicle regardless of the first shifting condition upon determining a second shifting condition set based on a second reference value is satisfied. The second reference value includes at least one of a reference value indicating an acceleration tendency of the human-powered vehicle and a reference value indicating a deceleration tendency of the human-powered vehicle.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: December 6, 2022
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Mitsuhiko Kawasaki
  • Patent number: 11498645
    Abstract: To provide a shifting control device and an electric shifting system allowing a user to comfortably ride a human-powered vehicle, a shifting control device comprising a controller configured to control a shifting device in accordance with a first operation performed on an operating device for braking a rotary body of a human-powered vehicle.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 15, 2022
    Assignee: Shimano Inc.
    Inventors: Takafumi Nishino, Toshihiko Takahashi, Daisuke Nago, Satoshi Shahana
  • Publication number: 20220315163
    Abstract: A human-powered vehicle control device is provided for a human-powered vehicle having a transmission device and a motor, which is configured to apply a propulsion force to the human-powered vehicle. The human-powered vehicle control device includes an electronic controller configured to control a transmission device of a human-powered vehicle. The electronic controller is configured to restrict a shifting action of the transmission device until a predetermined condition is satisfied in a case where one of a control states of the motor is switched to a further one of the control states of the motor.
    Type: Application
    Filed: March 22, 2022
    Publication date: October 6, 2022
    Inventors: Satoshi SHAHANA, Mitsuhiko KAWASAKI, Taketoshi SATO
  • Patent number: 11407472
    Abstract: A human-powered vehicle control device includes an electronic controller configured to control an electric component of a human-powered vehicle including a crank and a drive wheel. The electronic controller is configured to control the electric component so as to change at least one of a first ratio of a rotational speed of the drive wheel to a rotational speed of the crank and a second ratio of a drive force assisting propulsion of the human-powered vehicle to the human drive force upon determining a human drive force input to the crank shifts from a first range to outside the first range. The electronic controller is configured to change the first range in accordance with at least one of a state of a rider and a running state of the human-powered vehicle.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: August 9, 2022
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Hitoshi Takayama, Yasuho Hommoto
  • Publication number: 20220242514
    Abstract: A human-powered vehicle control device is a control device of a human-powered vehicle. The human-powered vehicle control device includes an electronic controller configured to control an electric component that is different from a motor providing a propelling force to the human-powered vehicle and that is provided in the human-powered vehicle. The electric component is controlled in accordance with a total driving force including a human-power driving force applied to a drive train of the human-powered vehicle and an assistance force by the motor.
    Type: Application
    Filed: January 14, 2022
    Publication date: August 4, 2022
    Inventors: Satoshi SHAHANA, Mitsuhiko KAWASAKI
  • Publication number: 20220204134
    Abstract: A bracket device is configured to mount a bicycle rear derailleur on a rear-wheel axis of a bicycle. The bracket device includes a frame attachment end for coupling to a bicycle frame and a derailleur attachment end for coupling to the bicycle rear derailleur. The frame attachment end has a first arm and a second arm, which are spaced apart in an axial direction with respect to the rear-wheel axis. The first arm has a first attachment opening through which the rear-wheel axis coaxially passes in a mounting state of the bracket device. The second arm has a second attachment opening through which the rear-wheel axis coaxially passes in the mounting state of the bracket device. The derailleur attachment end has a third attachment opening configured to receive a derailleur fastener for coupling to the base element of the bicycle rear derailleur.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 30, 2022
    Inventor: Satoshi SHAHANA
  • Publication number: 20220204126
    Abstract: A human-powered vehicle control device includes an electronic controller configured to control a motor to drive a transmission body with the motor and operate the transmission body with a derailleur to perform a shifting action that changes the transmission ratio in a case where a crank axle is stopped. The electronic controller includes a first control state in which the shifting action is performed and a second control state in which a driving force of the motor during the shifting action is reduced compared to the first control state. The electronic controller shifts the control state to the second control state in a case where a rider is riding the human-powered vehicle and the human-powered vehicle is stopped. The electronic controller shifts the control state from the second control state to the first control state in a case where a predetermined condition is satisfied.
    Type: Application
    Filed: November 12, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Mitsuhiko KAWASAKI, Toru TAKAYANAGI, Hayato SHIMAZU, Hironori YAMAZAKI
  • Publication number: 20220204135
    Abstract: A bicycle rear derailleur includes a base element including a first attachment end for coaxial installation on a rear-wheel axis and a second attachment end, a movable element movable relative to the base element, a linkage mechanism connecting the movable element to the base element, and a chain guide arrangement rotatably connected to the movable element. The second attachment end is coupled to the linkage mechanism. The first attachment end includes a first arm and a second arm, which are spaced apart in an axial direction with respect to the rear-wheel axis. The base element includes an angular position adjustment structure that adjusts an angular position of the derailleur relative to a bicycle frame by rotating the first arm and the second arm about the rear-wheel axis. The angular position adjustment structure is disposed between the first and second attachment ends in a radial direction of the rear-wheel axis.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Sota YAMAGUCHI
  • Publication number: 20220204130
    Abstract: A control device is provided for controlling a human-powered vehicle. The control device includes an electronic controller configured to control a motor that applies a propulsion force to the human-powered vehicle. In a case where a predetermined condition is satisfied, the electronic controller is configured to increase at least one of an assist level of the motor, a maximum value of an output of the motor, and the output of the motor. The predetermined condition includes a first condition in which deceleration of the human-powered vehicle in a traveling direction of the human-powered vehicle is greater than or equal to a first threshold value.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Akira INOUE, Shingo SAKURAI
  • Publication number: 20220204129
    Abstract: A control device for a human-powered vehicle has an electronic controller that controls a motor that applies a propulsion force to the human-powered vehicle to assist a human driving force. The human-powered vehicle includes a transmission device. The electronic controller is configured to assist in propulsion of the human-powered vehicle with the motor in a state in which the human-powered vehicle is propelled by the human driving force. In a case where a transmission ratio of the transmission device is changed, the electronic controller decreases an assist level of the motor in accordance with the human driving force input to the human-powered vehicle, and controls the motor so that the assist level is greater for a case where the human driving force is a first human driving force than the assist level for a case where the human driving force is less than the first human driving force.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Hitoshi TAKAYAMA
  • Publication number: 20220204137
    Abstract: A human-powered vehicle control device is provided for controlling a human-powered vehicle. The human-powered vehicle control device includes an electronic controller controls a transmission device in accordance with a control state including first and second control states. The electronic controller changes the transmission ratio in accordance with a shifting condition including a reference value related to a traveling state of the human-powered vehicle in the first control state. The electronic controller changes the transmission ratio in accordance with an operation performed on an operation portion in the second control state. The electronic controller changes the shifting condition in accordance with a converging reference value for a case where the human-powered vehicle is in a riding converging state. The electronic controller changes the shifting condition in accordance with the converging reference value for a case where the control state is the second control state.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Mitsuhiko KAWASAKI, Takehiko NAKAJIMA
  • Publication number: 20220204127
    Abstract: A control device is provided for a human-powered vehicle. The control device includes an electronic controller that is configured to control a motor that assists in propulsion of the human-powered vehicle. The electronic controller is configured to control the motor in accordance with a pitch angle of the human-powered vehicle and information related to a user load applied by a user to the human-powered vehicle in a negative direction with respect to a propulsion direction of the human-powered vehicle.
    Type: Application
    Filed: September 21, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Akira INOUE, Akinobu SUGIMOTO, Atsuhiro EMURA, Nobukatsu HARA, Hitoshi TAKAYAMA, Shingo SAKURAI
  • Publication number: 20220204128
    Abstract: A human-powered vehicle control device is provided for controlling a human-powered vehicle. The human-powered vehicle control device includes an electronic controller that controls a human-powered vehicle component in accordance with a control state including first and second modes. The electronic controller changes a transmission ratio of a transmission device in accordance with a first shifting condition in the first mode, and changes the transmission ratio in accordance with a second shifting condition in the second mode. The electronic controller changes the first shifting condition in accordance with a converging reference value, which is related to a traveling state of the human-powered vehicle, for a case where the human-powered vehicle is in a riding converging state in the first mode, and changes the second shifting condition in accordance with a converging reference value for a case where the human-powered vehicle is in the riding converging state in the second mode.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 30, 2022
    Inventors: Satoshi SHAHANA, Kenji TAGAWA
  • Patent number: 11371603
    Abstract: A control device and a transmission system are provided that allow for comfortable traveling with a human-powered vehicle. The control device includes an electronic controller configured to control a transmission to shift a transmission ratio of a human-powered vehicle in accordance with a first shifting condition set based on a first reference value. The electronic controller is configured to shift the transmission ratio of the human-powered vehicle regardless of the first shifting condition upon determining a second shifting condition set based on travel information related to traveling of the human-powered vehicle is satisfied.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: June 28, 2022
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Mitsuhiko Kawasaki
  • Patent number: 11358678
    Abstract: A control system includes a detection device and an electronic controller. The detection device is configured to detect passenger information related to at least one passenger of a human-powered vehicle driven by a driver of the human-powered vehicle in which the at least one passenger is different from the driver. The electronic controller is configured to control at least one component of the human-powered vehicle in accordance with the passenger information.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 14, 2022
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Noriko Masuta, Azusa Yamazaki, Megumi Nakabo, Takehiko Nakajima, Fumihide Numata, Hiroshi Fujita, Kenji Goto
  • Publication number: 20220135176
    Abstract: A human-powered vehicle control device for a human-powered vehicle comprises an electronic controller. The electronic controller is configured to control a motor, which applies a propulsion force to the human-powered vehicle, in accordance with a human driving force input to the human-powered vehicle. The electronic controller is configured to control the motor to change at least one of a maximum value of an output of the motor, a first changing ratio of an increase rate of the output of the motor to an increase rate of the human driving force, and a second changing ratio of a decrease rate of the output of the motor to a decrease rate of the human driving force in accordance with transmission information related to a transmission ratio in a power transmission path between an input rotational shaft of the human-powered vehicle and a wheel of the human-powered vehicle.
    Type: Application
    Filed: October 20, 2021
    Publication date: May 5, 2022
    Inventors: Satoshi SHAHANA, Hitoshi TAKAYAMA
  • Publication number: 20220135177
    Abstract: A human-powered vehicle control device is for a human-powered vehicle. The human-powered vehicle includes a motor that applies a propulsion force to the human-powered vehicle and a shifting device that changes a transmission ratio, which is a ratio of a rotational speed of a wheel of the human-powered vehicle to a rotational speed of a crank of the human-powered vehicle. The human-powered vehicle control device includes an electronic controller that is configured to control the shifting device to change the transmission ratio in accordance with a comparison of a first parameter related to the human-powered vehicle and a predetermined threshold value. In a case where an output of the motor decreases as a vehicle speed of the human-powered vehicle increases, the electronic controller is configured to change the predetermined threshold value.
    Type: Application
    Filed: October 20, 2021
    Publication date: May 5, 2022
    Inventors: Satoshi Shahana, Yukinobu Nakamura, Mitsuhiko Kawasaki
  • Patent number: 11319022
    Abstract: A transmission control system is configured to be used with a human-powered vehicle that includes a crank, a first rotation body rotated independently from the crank, a drive wheel, a second rotation body rotated independently from the drive wheel, a transfer body that transfers rotation force between the first and second rotation bodies, and a transmission that controls the transfer body and shifts a transmission ratio. The transmission control system includes a motor that drives the transfer body, a first detector that detects at least one of acceleration and vibration of the human-powered vehicle, and an electronic controller configured to control the motor in accordance with a detection result of the first detector upon generation of a shift request for the transmission in a state in which the drive wheel is rotated and a rotational angle of the crank is maintained in a predetermined range.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: May 3, 2022
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Nobukatsu Hara, Hitoshi Takayama