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: 20220126938Abstract: A rider-posture changing device for a human-powered vehicle comprises a first member, a second member, a detector, and a controller. The second member is configured to be movable relative to the first member. The detector is configured to detect position information of the second member relative to the first member. The controller is configured to obtain movement information of the second member relative to the first member based on the position information.Type: ApplicationFiled: October 27, 2020Publication date: April 28, 2022Applicant: SHIMANO INC.Inventors: Yuki SAKAGAWA, Toyoto SHIRAI, Akihiro NOZAKI, Satoshi SHAHANA, Hitoshi TAKAYAMA, Noor Ashyikkin BINTI MOHD NOOR
-
Patent number: 11312442Abstract: 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: GrantFiled: June 26, 2019Date of Patent: April 26, 2022Assignee: Shimano Inc.Inventors: Hayato Shimazu, Hitoshi Takayama, Satoshi Shahana, Takafumi Nishino, Takehiko Nakajima
-
Publication number: 20220029387Abstract: A vertical cavity surface emitting laser element includes a first light reflecting film, a nitride semiconductor layered body, a p-electrode and a second light reflecting film. The nitride semiconductor layered body includes an n-side semiconductor layer disposed on the first light reflecting film, an active layer disposed on the n-side semiconductor layer, and a p-side semiconductor layer disposed on the active layer. The p-side semiconductor layer includes a protrusion and a surface around the protrusion. The p-electrode is in contact with an upper surface of the protrusion, and extends to the surface around the protrusion. The p-electrode is light-transmissive. The second light reflecting film is disposed on the p-electrode. A height of the protrusion as measured from the surface around the protrusion is smaller than a thickness of the p-electrode.Type: ApplicationFiled: July 21, 2021Publication date: January 27, 2022Inventors: Kenichi TERAO, Hitoshi TAKAYAMA
-
Patent number: 11203291Abstract: 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: GrantFiled: November 5, 2018Date of Patent: December 21, 2021Assignee: Shimano Inc.Inventors: Masahiro Nakakura, Kazuki Koshiyama, Toshihiko Takahashi, Satoshi Shahana, Hitoshi Takayama, Masafumi Tanaka, Yasuhiro Nakashima, Takafumi Nishino, Shingo Sakurai
-
Publication number: 20210331760Abstract: A component is provided for a human-powered vehicle. The component includes a component body, a single substrate, a resistor, an electric wire, a signal processing unit, a signal output, and an electric power input. The single substrate is provided on the component body. The resistor is formed on the single substrate and forms a strain gauge with part of the single substrate. The electric wire is formed on the single substrate and electrically connected to the resistor. The signal processing unit is formed or directly mounted on the single substrate and electrically connected to the electric wire. The signal output outputs a signal from the signal processing unit. The electric power input is electrically connected to the signal processing unit and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body.Type: ApplicationFiled: April 13, 2021Publication date: October 28, 2021Inventors: Shinya Fujimura, Hitoshi Takayama
-
Patent number: 11150351Abstract: 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: GrantFiled: January 23, 2019Date of Patent: October 19, 2021Assignee: Shimano Inc.Inventors: Masahiko Fukuda, Toshihiko Takahashi, Hitoshi Takayama, Masahiro Nakakura, Takehiko Nakajima
-
Patent number: 11142279Abstract: 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: GrantFiled: January 23, 2019Date of Patent: October 12, 2021Assignee: Shimano Inc.Inventors: Toshihiko Takahashi, Masahiko Fukuda, Hitoshi Takayama, Daisuke Nago, Masahiro Nakakura, Takehiko Nakajima
-
Publication number: 20210276660Abstract: A human-powered vehicle control device for a human-powered vehicle includes an electronic controller that controls an electric brake device and a component of the human-powered vehicle that differs from the electric brake device. The electric brake device and the component are supplied with electric power from a common battery. The electronic controller gives actuation priority to the electric brake device over the component.Type: ApplicationFiled: February 4, 2021Publication date: September 9, 2021Inventor: Hitoshi TAKAYAMA
-
Publication number: 20210221469Abstract: A human-powered vehicle control device controls the transmission to initiate a shifting operation based on a set of prescribed conditions 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 prevent the change of the transmission ratio as compared with if the electronic controller is in the first control state. The electronic controller switches between the first control state and the second control state in accordance with a detection of at least one of a steering state of the human-powered vehicle, a surface condition 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: ApplicationFiled: April 8, 2021Publication date: July 22, 2021Inventors: Satoshi SHAHANA, Nobukatsu HARA, Hitoshi TAKAYAMA
-
Patent number: 11014630Abstract: 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: GrantFiled: March 4, 2019Date of Patent: May 25, 2021Assignee: Shimano Inc.Inventors: Satoshi Shahana, Nobukatsu Hara, Hitoshi Takayama
-
Patent number: 11001239Abstract: 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: GrantFiled: August 29, 2018Date of Patent: May 11, 2021Assignee: SHIMANO INC.Inventors: Toshihiko Takahashi, Hitoshi Takayama, Masahiko Fukuda, Masahiro Nakakura
-
Patent number: 11001237Abstract: 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: GrantFiled: August 29, 2018Date of Patent: May 11, 2021Assignee: SHIMANO INC.Inventors: Toshihiko Takahashi, Hitoshi Takayama
-
Patent number: 10974708Abstract: 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: GrantFiled: September 26, 2018Date of Patent: April 13, 2021Assignee: Shimano Inc.Inventors: Hitoshi Takayama, Toshihiko Takahashi, Masahiro Nakakura
-
Patent number: 10967931Abstract: 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: GrantFiled: October 30, 2018Date of Patent: April 6, 2021Assignee: Shimano Inc.Inventors: Takafumi Nishino, Toshihiko Takahashi, Daisuke Nago, Hitoshi Takayama, Masahiro Nakakura
-
Patent number: 10967935Abstract: 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: GrantFiled: June 26, 2019Date of Patent: April 6, 2021Assignee: Shimano Inc.Inventors: Hayato Shimazu, Hitoshi Takayama, Satoshi Shahana, Takafumi Nishino, Takehiko Nakajima
-
Patent number: 10913507Abstract: 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: GrantFiled: October 16, 2018Date of Patent: February 9, 2021Assignee: Shimano Inc.Inventors: Takafumi Nishino, Toshihiko Takahashi, Hitoshi Takayama, Masahiro Nakakura
-
Publication number: 20210031872Abstract: A control device for a human-powered vehicle including a motor that applies a propulsion force to the human-powered vehicle, a crank axle, a driving wheel, and a transmission that automatically changes a transmission ratio of a rotational speed of the driving wheel to a rotational speed of the crank axle in accordance with a travel state of the human-powered vehicle. The control device includes an electronic controller that controls the motor in accordance with a human driving force input to the crank axle. The controller changes an assist state related to at least one of an assist ratio of an assist force by the motor to a predetermined human driving force and the assist force by the motor in accordance with the human driving force and controls the transmission to maintain the transmission ratio upon determining a parameter related to the human driving force satisfies a predetermined condition.Type: ApplicationFiled: July 20, 2020Publication date: February 4, 2021Inventors: Satoshi SHAHANA, Hitoshi TAKAYAMA
-
Publication number: 20210025488Abstract: 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: ApplicationFiled: March 5, 2019Publication date: January 28, 2021Inventors: Satoshi SHAHANA, Takehiko NAKAJIMA, Hitoshi TAKAYAMA
-
Patent number: 10882582Abstract: 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: GrantFiled: July 13, 2018Date of Patent: January 5, 2021Assignee: Shimano Inc.Inventors: Satoshi Shahana, Nobukatsu Hara, Hitoshi Takayama
-
Patent number: 10654542Abstract: 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: GrantFiled: March 30, 2018Date of Patent: May 19, 2020Assignee: SHIMANO INC.Inventor: Hitoshi Takayama