Patents by Inventor Takehiko Nakajima
Takehiko Nakajima 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).
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Patent number: 11840316Abstract: To provide a human-powered vehicle control device configured to perform shifting in accordance with situations, a control device is configured to control a transmission of a human-powered vehicle. The control device comprises an electronic controller configured to control the transmission. The electronic controller includes at least one shifting condition for actuating the transmission to shift a transmission ratio. The electronic controller holds the shifting condition that is related with riding-related information of the human-powered vehicle in a case where the human-powered vehicle is in a riding convergence state.Type: GrantFiled: June 15, 2020Date of Patent: December 12, 2023Assignee: Shimano Inc.Inventors: Satoshi Shahana, Mitsuhiko Kawasaki, Takehiko Nakajima
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Patent number: 11827306Abstract: An electrical switch device includes an electrical switch unit, a wireless communicator, a power source, an electrical cable, and a connecting part. The electrical switch unit is at least partly disposed outside of a handlebar. The wireless communicator is inserted to an internal space of the handlebar. The power source and the wireless communicator are separated away from the electrical switch unit and arranged at different positions from the electrical switch unit. The electrical cable is configured to electrically connect the electrical switch unit to the wireless communicator and the power supply. The connecting part is electrically connected to the electrical cable. The connecting part is configured to electrically and detachably connect the electrical switch unit to the wireless communicator and the power supply.Type: GrantFiled: November 23, 2022Date of Patent: November 28, 2023Assignee: SHIMANO INC.Inventors: Akihiko Syouge, Takuma Sakai, Kazuma Mori, Yasuyuki Komada, Takehiko Nakajima, Noor Ashyikkin Binti Mohd Noor
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Patent number: 11807336Abstract: 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: GrantFiled: December 9, 2021Date of Patent: November 7, 2023Assignee: Shimano Inc.Inventors: Satoshi Shahana, Mitsuhiko Kawasaki, Takehiko Nakajima
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Publication number: 20230311902Abstract: A human-powered vehicle control device includes at least one sensor, a memory, a controller and an interpolation processor. The at least one sensor is configured to acquire input information related to traveling of a human-powered vehicle. The memory is configured to store a first learning model trained so as to output output information related to control of a device mounted on the human-powered vehicle based on the input information acquired. The controller is configured to control the device by control data decided based on output information obtained by inputting the input information to the first learning model. The interpolation processor is configured to execute processing of interpolating the first learning model in the memory using a second learning model trained with input information in a human-powered vehicle different in at least one of the human-powered vehicle and a rider of the human-powered vehicle.Type: ApplicationFiled: February 2, 2023Publication date: October 5, 2023Inventors: Masataka YAMADA, Kenji TAGAWA, Takehiko NAKAJIMA
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Patent number: 11724768Abstract: A bicycle operating device comprises a base member, a brake operating member, an additional operating member, an electrical switch, and a wireless communication unit. The brake operating member is movably coupled to the base member. The additional operating member is movably coupled to the brake operating member. The electrical switch is to provide an electric signal in response to a movement of the additional operating member. The electrical switch is disposed at the additional operating member. The wireless communication unit is connected to the electrical switch to transmit a wireless signal based on the electric signal. The wireless communication unit is disposed at one of the base member and the brake operating member.Type: GrantFiled: July 22, 2020Date of Patent: August 15, 2023Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takehiko Nakajima, Takafumi Nishino
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Publication number: 20230093210Abstract: An electrical switch device includes an electrical switch unit, a wireless communicator, a power source, an electrical cable, and a connecting part. The electrical switch unit is at least partly disposed outside of a handlebar. The wireless communicator is inserted to an internal space of the handlebar. The power source and the wireless communicator are separated away from the electrical switch unit and arranged at different positions from the electrical switch unit. The electrical cable is configured to electrically connect the electrical switch unit to the wireless communicator and the power supply. The connecting part is electrically connected to the electrical cable. The connecting part is configured to electrically and detachably connect the electrical switch unit to the wireless communicator and the power supply.Type: ApplicationFiled: November 23, 2022Publication date: March 23, 2023Applicant: SHIMANO INC.Inventors: Akihiko SYOUGE, Takuma SAKAI, Kazuma MORI, Yasuyuki KOMADA, Takehiko NAKAJIMA, Noor Ashyikkin BINTI MOHD NOOR
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Patent number: 11554834Abstract: An operating system for a human-powered vehicle comprises a first operating device, a second operating device, a first user interface, and a second user interface. The first operating device comprises a first base member and a first operating member. The second operating device comprises a second base member and a second operating member. The first user interface is configured to receive a first user input and mounted to the first operating device. The second user interface is configured to receive a second user input and mounted to the second operating device. At least one of the first user interface and the second user interface is configured to be operated to control an assist driving unit configured to assist a human power.Type: GrantFiled: July 29, 2019Date of Patent: January 17, 2023Assignee: SHIMANO INC.Inventors: Toshio Tetsuka, Taihei Nishihara, Eiji Mishima, Takuma Sakai, Takafumi Nishino, Takehiko Nakajima
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Patent number: 11535334Abstract: An electrical switch device for a human-powered vehicle comprises an electrical switch unit and a connecting part. The electrical switch unit is configured to generate a signal in response to a user input. The connecting part is provided on the electrical switch unit so as to electrically connect an additional electrical switch device to the electrical switch device. The electrical switch device is configured to selectively transmit the signal from the electrical switch unit and an additional signal from the additional electrical switch device to an operating device configured to operate the electric component.Type: GrantFiled: March 28, 2019Date of Patent: December 27, 2022Assignee: SHIMANO INC.Inventors: Akihiko Syouge, Takuma Sakai, Kazuma Mori, Yasuyuki Komada, Takehiko Nakajima, Noor Ashyikkin Binti Mohd Noor
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Patent number: 11521117Abstract: 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: GrantFiled: June 26, 2019Date of Patent: December 6, 2022Assignee: Shimano Inc.Inventors: Hayato Shimazu, Hitoshi Takayama, Satoshi Shahana, Takehiko Nakajima
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Patent number: 11407473Abstract: An operating device for a human-powered vehicle comprises a base member, an operating member, and an assist operating interface. The base member includes a coupling end, a free end, and a grip portion. The coupling end is configured to be coupled to a handlebar. The free end is opposite to the coupling end. The grip portion is provided between the coupling end and the free end. The operating member is pivotally coupled to the base member about a pivot axis. The assist operating interface is configured to receive a first user input indicating that an assist driving unit generates a temporary assist driving force for a limited period corresponding to an operation of the first user input.Type: GrantFiled: July 29, 2019Date of Patent: August 9, 2022Assignee: SHIMANO INC.Inventors: Toshio Tetsuka, Takafumi Nishino, Takehiko Nakajima
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Patent number: 11407474Abstract: An operating device for a human-powered vehicle comprises a base member, an informing unit, and an operating member. The base member is configured to be mounted to a handlebar. The informing unit is configured to inform a user of first information relating to an assist driving unit configured to assist a human power. The operating member is movably coupled to the base member to control a component different from the assist driving unit.Type: GrantFiled: July 29, 2019Date of Patent: August 9, 2022Assignee: SHIMANO INC.Inventors: Toshio Tetsuka, Eiji Mishima, Takehiko Nakajima
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Publication number: 20220227458Abstract: An operating system comprises a first operating device, a second operating device, a first user interface, a second user interface, and a controller. The first user interface is configured to receive a first user input. The second user interface is configured to receive a second user input. At least one of the first user interface and the second user interface is configured to be operated to control at least one electric component. The controller is configured to control the at least one electric component based on at least one of the first user input and the second user input. The at least one electric component includes at least one of a gear changing unit, a gear changing unit, an adjustable seatpost, an internal gear hub, a front suspension, a rear suspension, a cycle computer, a smartphone, a tablet computer, and a light emitting device.Type: ApplicationFiled: April 6, 2022Publication date: July 21, 2022Applicant: SHIMANO INC.Inventors: Toshio TETSUKA, Taihei NISHIHARA, Eiji MISHIMA, Takuma SAKAI, Takafumi NISHINO, Takehiko NAKAJIMA
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Publication number: 20220204137Abstract: 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: ApplicationFiled: December 9, 2021Publication date: June 30, 2022Inventors: Satoshi SHAHANA, Mitsuhiko KAWASAKI, Takehiko NAKAJIMA
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Patent number: 11358678Abstract: 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: GrantFiled: October 24, 2019Date of Patent: June 14, 2022Assignee: Shimano Inc.Inventors: Satoshi Shahana, Noriko Masuta, Azusa Yamazaki, Megumi Nakabo, Takehiko Nakajima, Fumihide Numata, Hiroshi Fujita, Kenji Goto
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Patent number: 11345433Abstract: 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: GrantFiled: January 23, 2019Date of Patent: May 31, 2022Assignee: Shimano Inc.Inventors: Hitoshi Takayama, Masahiko Fukuda, Toshihiko Takahashi, Daisuke Nago, Masahiro Nakakura, Takafumi Nishino, Takehiko Nakajima
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Patent number: 11319018Abstract: A control system is provided to improve riding comfort of a human-powered vehicle. The control system includes an electronic controller and a receiver. The electronic controller is configured to control a first electric component of a first human-powered vehicle. The receiver is configured to receive first reference information related to a vehicle that differs from the first human-powered vehicle. The electronic controller is configured to control the first electric component based on the first reference information.Type: GrantFiled: October 23, 2019Date of Patent: May 3, 2022Assignee: Shimano Inc.Inventors: Azusa Yamazaki, Satoshi Shahana, Kazutaka Niki, Takehiko Nakajima
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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
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Patent number: 11305837Abstract: A bicycle rear sprocket assembly comprises at least one sprocket and an internal cavity. The at least one sprocket includes at least ten internal spline teeth configured to engage with a bicycle hub assembly. The at least ten internal spline teeth have an internal-spline major diameter. The internal cavity has a maximum outer diameter larger than the internal-spline major diameter.Type: GrantFiled: October 31, 2017Date of Patent: April 19, 2022Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Koji Yuasa, Takehiko Nakajima
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Patent number: 11208174Abstract: A bicycle operating device comprises a base member, an operating member, a wireless communicator, and a power supply. The base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. The operating member is pivotally coupled to the base member about a first pivot axis. The electrical switch is to be activated by an input operation from a user. The wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. The power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. The wireless communicator and the power supply are at least partially overlap with each other when viewed from a direction perpendicular to the first pivot axis.Type: GrantFiled: November 14, 2019Date of Patent: December 28, 2021Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takafumi Nishino, Takehiko Nakajima
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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