Patents by Inventor Hitoshi Takayama

Hitoshi Takayama 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: 20200079467
    Abstract: A human-powered vehicle control device includes a controller configured to control a motor that assists propulsion of a human-powered vehicle including a movable member that is extensible and retractable. The controller controls the motor in accordance with actuation of the movable member during an extending or retracting action of the movable member.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 12, 2020
    Inventor: Hitoshi Takayama
  • Publication number: 20200062345
    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: Application
    Filed: August 21, 2019
    Publication date: February 27, 2020
    Inventors: Satoshi SHAHANA, Nobukatsu HARA, Hitoshi TAKAYAMA
  • Publication number: 20200017163
    Abstract: A suspension control device is provided for a human-powered vehicle. The suspension control device includes a sensor and an electronic controller. The sensor is configured to detect an actuation of a braking system of the human-powered vehicle. The electronic controller is configured to control a suspension of the human-powered vehicle in accordance with the actuation detected by the sensor.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Inventors: Satoshi SHAHANA, Nobukatsu HARA, Hitoshi TAKAYAMA
  • Publication number: 20200012964
    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: Application
    Filed: June 26, 2019
    Publication date: January 9, 2020
    Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takehiko NAKAJIMA
  • Publication number: 20200010148
    Abstract: A creation device is provided that has at least one processor operatively coupled to non-transitory computer readable storage to execute operations that includes an acquisition part and a creation part. The acquisition part acquires input information concerning traveling of a human-powered vehicle. The creation part uses a learning algorithm to create a learning model that outputs output information concerning control of the components of the human-powered vehicle based on the input information.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 9, 2020
    Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takafumi NISHINO, Takehiko NAKAJIMA
  • Publication number: 20200010149
    Abstract: A creation device includes an acquisition part that acquires input information concerning traveling of a human-powered vehicle; and a creation part that creates different learning models that each produce output information concerning control of a component of the human-powered vehicle based on input information acquired by the acquisition part.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 9, 2020
    Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takafumi NISHINO, Takehiko NAKAJIMA
  • Publication number: 20190309841
    Abstract: A shifting controller controls a shifting device of a human-powered vehicle and includes a data acquisition interface, a data storage device, and a control unit. The data acquisition interface is configured to acquire a first reference value of a first variable in relation to the human-powered vehicle. The data storage device has stored therein a shifting condition specified by at least one of a direction of change, an amount of change, and a ratio of change that are information on a change in the first variable. The control unit includes a processor that is configured to control the shifting device based on a change in the first reference value and the shifting condition.
    Type: Application
    Filed: March 5, 2019
    Publication date: October 10, 2019
    Inventors: Satoshi SHAHANA, Takehiko NAKAJIMA, Hitoshi TAKAYAMA
  • Publication number: 20190300120
    Abstract: A human-powered vehicle control device controls the transmission that changes the transmission ratio of a human-powered vehicle. The control device includes an electronic controller that switches between a first control state for controlling the transmission to change the transmission ratio in accordance with a first prescribed set of conditions, and a second control state for controlling the transmission to suppress the change of the transmission ratio as compared with if the electronic controller is in the first control state, in accordance with at least one of the motion state of the body of the human-powered vehicle, the steering state of the human-powered vehicle, the surface conditions of a travel path on which the human-powered vehicle travels, and a pedaling preparation state related to the pedals of the human-powered vehicle.
    Type: Application
    Filed: March 4, 2019
    Publication date: October 3, 2019
    Inventors: Satoshi SHAHANA, Nobukatsu HARA, Hitoshi TAKAYAMA
  • Publication number: 20190300110
    Abstract: A shifting control apparatus for a human powered vehicle comprises a position sensor and a transmission controller. The position sensor is configured to sense a rotational position of a plurality of sprockets relative to a rotational reference position. The transmission controller is configured to control a derailleur to move a chain guide of the derailleur relative to the plurality of sprockets in a shifting operation. The transmission controller is configured to change at least one of a speed relating to a movement of the chain guide, a start timing relating to the movement of the chain guide, and a distance relating to the movement of the chain guide based on a target shifting-operation position of the plurality of sprockets, and the rotational position sensed as an actual shifting-operation position by the position sensor at an actual timing of the shifting operation.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 3, 2019
    Applicant: SHIMANO INC.
    Inventor: Hitoshi TAKAYAMA
  • Publication number: 20190233049
    Abstract: A brake control device includes an electronic controller that executes an ABS control on a rotating body of a human-powered vehicle. The electronic controller executes the ABS control based on a relationship between a first speed and a second speed related to the human-powered vehicle. The first speed includes a speed of the human-powered vehicle based on information of a traveling environment. The second speed includes a speed of the human-powered vehicle based on a rotational speed of the rotating body.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Masahiko FUKUDA, Toshihiko TAKAHASHI, Hitoshi TAKAYAMA, Masahiro NAKAKURA, Takehiko NAKAJIMA
  • Publication number: 20190233048
    Abstract: A brake control device includes an electronic controller that is configured to control a braking unit that is configured to brake at least one of a plurality of rotating bodies of a human-powered vehicle. The electronic controller is configured to control the braking unit upon determining an ABS control is performed to decrease a braking force of a first rotating body included in the plurality of rotating bodies so that a braking force of a second rotating body, which is different from the first rotating body and included in the plurality of rotating bodies, is increased by a force that is different from hydraulic pressure.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Hitoshi TAKAYAMA, Masahiko FUKUDA, Toshihiko TAKAHASHI, Daisuke NAGO, Masahiro NAKAKURA, Takafumi NISHINO, Takehiko NAKAJIMA
  • Patent number: 10363780
    Abstract: A pneumatic tire is provided in the tread portion with zigzag crown circumferential grooves 3 having pitch length Pc, zigzag shoulder circumferential grooves 4 having pitch length Ps, crown lateral grooves 5 inclined at an angle ?c, and shoulder lateral grooves 6 inclined at an angle ?s wherein Ps>Pc and ?s<?c. Both ends of the respective crown lateral grooves 5 are connected to the zigzag groove segments 3a or 3b of the crown circumferential grooves 3 which groove segments 3a or 3b are inclined with respect to the tire axial direction to the opposite direction to the inclining direction of the crown lateral grooves 5. The number NS of the shoulder lateral grooves 6 is more than the number Nc of the crown lateral grooves 5.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 30, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hitoshi Takayama
  • Publication number: 20190225298
    Abstract: A brake control device includes an electronic controller that controls a brake unit configured to brake a rotation body of a human-powered vehicle. The electronic controller limits ABS control in a case where a first predetermined condition for executing ABS control and a second predetermined condition for limiting ABS control are satisfied. The second predetermined condition is set based on limitation information that differs from information related to a traveling speed of the human-powered vehicle.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 25, 2019
    Inventors: Toshihiko TAKAHASHI, Masahiko FUKUDA, Hitoshi TAKAYAMA, Daisuke NAGO, Masahiro NAKAKURA, Takehiko NAKAJIMA
  • Publication number: 20190202525
    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: Application
    Filed: December 26, 2018
    Publication date: July 4, 2019
    Inventors: Satoshi SHAHANA, Hitoshi TAKAYAMA, Yasuho HOMMOTO
  • Publication number: 20190152389
    Abstract: An electronic controller and a control system are provided that allow the rider to comfortably ride a human-powered vehicle. The electronic controller includes at least one processor configured to control a notification device based on environmental information related to a surrounding environment of a human-powered vehicle.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 23, 2019
    Inventors: Masahiro NAKAKURA, Kazuki KOSHIYAMA, Toshihiko TAKAHASHI, Satoshi SHAHANA, Hitoshi TAKAYAMA, Masafumi TANAKA, Yasuhiro NAKASHIMA, Takafumi NISHINO, Shingo SAKURAI
  • Publication number: 20190127018
    Abstract: To provide a brake controller and a brake system that appropriately brake a rotary body of a human-powered vehicle, a brake controller includes one or more processors configured to programmatically control a braking portion of a brake device so that the braking portion brakes a rotary body of the human-powered vehicle based on first information related to travel of the human-powered vehicle, the first information excluding a road surface gradient.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 2, 2019
    Inventors: Takafumi Nishino, Toshihiko Takahashi, Daisuke Nago, Hitoshi Takayama, Masahiro Nakakura
  • Publication number: 20190118892
    Abstract: A human-powered vehicle system and a control method are provided that reduce power consumption of a detection device. The human-powered vehicle system includes an electronic controller having at least one processor configured to control a detection device provided at a human-powered vehicle to detect an electromagnetic wave having a frequency that is greater than or equal to 30 GHz and excluding visible light. The at least one processor is configured to control the detection device in at least one of a first mode and a second mode that consumes less power than the first mode.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 25, 2019
    Inventors: Takafumi NISHINO, Toshihiko TAKAHASHI, Hitoshi TAKAYAMA, Masahiro NAKAKURA
  • Publication number: 20190118785
    Abstract: A brake control device and a brake system are configured to appropriately apply a braking force to a rotary body of a human-powered vehicle. The brake control device includes an electronic controller that controls a braking portion electrically driven to brake a rotary body rotating in accordance with traveling of a human-powered vehicle. The electronic controller controls the braking portion in accordance with an operation amount of an operating device and a state related to the human-powered vehicle.
    Type: Application
    Filed: September 26, 2018
    Publication date: April 25, 2019
    Inventors: Hitoshi TAKAYAMA, Toshihiko TAKAHASHI, Masahiro NAKAKURA
  • Publication number: 20190061716
    Abstract: An electric brake system that appropriately brakes a rotary body of a human powered vehicle in various situations is applicable to a human powered vehicle and includes a brake device including an electric actuator operated by electric power from a power supply, and a braking portion driven by the electric actuator to brake a rotary body of the human powered vehicle, a state detector detecting a state of the human powered vehicle other than an operation of the brake device performed by a user, and a control unit controlling the brake device so that the braking portion brakes the rotary body based on a detection result of the state detector.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: SHIMANO INC.
    Inventors: Toshihiko TAKAHASHI, Hitoshi TAKAYAMA, Masahiko FUKUDA, Masahiro NAKAKURA
  • Publication number: 20190061711
    Abstract: To provide a brake device and an electric brake system that appropriately brakes a rotary body of a human powered vehicle in various situations, a brake device is applicable to a human powered vehicle and includes an electric actuator operated by electric power from a power supply, a braking portion driven by the electric actuator to brake a rotary body of the human powered vehicle, and a power storage provided separately from the power supply to supply electric power to the electric actuator.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: SHIMANO INC.
    Inventors: Toshihiko TAKAHASHI, Hitoshi TAKAYAMA