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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Publication number: 20200079466Abstract: 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: ApplicationFiled: November 14, 2019Publication date: March 12, 2020Applicant: SHIMANO INC.Inventors: Atsushi KOMATSU, Takafumi NISHINO, Takehiko NAKAJIMA
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Publication number: 20200047844Abstract: A bicycle operating device comprises a base member, an operating member, a hydraulic unit, an electrical switch, a wireless communicator, and a power supply. The base member includes a first end and a second end opposite to the first end. The operating member is pivotally coupled to the base member about a first pivot axis. At least part of the hydraulic unit is disposed closer to the second end than the first pivot axis when viewed from a first direction parallel to the first pivot axis. The power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least one of the wireless communicator and the power supply is at least partly disposed closer to the first end than the first pivot axis when viewed from the first direction.Type: ApplicationFiled: October 22, 2019Publication date: February 13, 2020Applicant: SHIMANO INC.Inventors: Atsushi KOMATSU, Takafumi NISHINO, Takehiko NAKAJIMA
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Patent number: 10556637Abstract: A bicycle operating device comprises a base member, an operating member, a hydraulic unit, an electrical switch, a wireless communicator, and a power supply. The base member includes a first end and a second end opposite to the first end. The operating member is pivotally coupled to the base member about a first pivot axis. At least part of the hydraulic unit is disposed closer to the second end than the first pivot axis when viewed from a first direction parallel to the first pivot axis. The power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least one of the wireless communicator and the power supply is at least partly disposed closer to the first end than the first pivot axis when viewed from the first direction.Type: GrantFiled: August 26, 2016Date of Patent: February 11, 2020Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takafumi Nishino, Takehiko Nakajima
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Publication number: 20200012964Abstract: 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: ApplicationFiled: June 26, 2019Publication date: January 9, 2020Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takehiko NAKAJIMA
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Publication number: 20200010148Abstract: 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: ApplicationFiled: June 26, 2019Publication date: January 9, 2020Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takafumi NISHINO, Takehiko NAKAJIMA
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Publication number: 20200010149Abstract: 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: ApplicationFiled: June 26, 2019Publication date: January 9, 2020Inventors: Hayato SHIMAZU, Hitoshi TAKAYAMA, Satoshi SHAHANA, Takafumi NISHINO, Takehiko NAKAJIMA
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Patent number: 10525768Abstract: A bicycle hub assembly comprises a hub axle, a hub body, and a sprocket support structure. The hub axle includes an axle through-bore that has an axle minimum inner diameter equal to or larger than 13 mm. The hub body has a first body end and a second body end opposite to the first body end in an axial direction with respect to a rotational center axis. The sprocket support structure is rotatably mounted on the hub axle about the rotational center axis. The sprocket support structure includes a first torque-transmitting profile and a first externally-threaded portion. The first torque-transmitting profile is configured to transmit a rotational force. The first externally-threaded portion is configured to threadedly engage with a first internally-threaded portion of a first lock member. The first torque-transmitting profile is closer to the first body end than the first externally-threaded portion in the axial direction.Type: GrantFiled: October 31, 2017Date of Patent: January 7, 2020Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Koji Yuasa, Takehiko Nakajima
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Patent number: 10513307Abstract: A base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. An operating member is pivotally coupled to the base member about a first pivot axis. A hydraulic unit is coupled to the operating member to operate a bicycle component in response to an operation of the operating member. At least part of the hydraulic unit is disposed closer to the first end than the first pivot axis when viewed from a first direction parallel to the first pivot axis. A wireless communicator is to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator. At least one of the wireless communicator and the power supply is disposed closer to the second end than the first pivot axis when viewed from the first direction.Type: GrantFiled: August 26, 2016Date of Patent: December 24, 2019Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takafumi Nishino, Takehiko Nakajima
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Patent number: 10486658Abstract: A bicycle operating device comprises a base member, a brake operating member, an electrical switch, and a wireless communication unit. The brake operation member is movably coupled to the base member. The brake operating member is movable relative to the base member in a first direction and movable relative to the base member in a second direction different from the first direction. The electrical switch is to provide an electric signal in response to a movement of the brake operating member in the second direction. The electrical switch is disposed at one of the base member and the brake operating member. The wireless communication unit is connected to the electrical switch to transmit a wireless signal based on the electric signal.Type: GrantFiled: April 21, 2016Date of Patent: November 26, 2019Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takafumi Nishino, Takehiko Nakajima
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Publication number: 20190351969Abstract: A bicycle operating device comprises a base member including a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. A hydraulic unit is operatively coupled to an operating member to operate a bicycle component in response to an operation of the operating member. An electrical switch is to be activated by an input operation from a user. A wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least part of the hydraulic unit is disposed closer to the free end of the operating member than at least one of the wireless communicator and the power supply when viewed from the first direction.Type: ApplicationFiled: August 1, 2019Publication date: November 21, 2019Applicant: SHIMANO INC.Inventors: Atsushi KOMATSU, Takafumi NISHINO, Takehiko NAKAJIMA
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Publication number: 20190351965Abstract: 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: ApplicationFiled: March 28, 2019Publication date: November 21, 2019Applicant: SHIMANO INC.Inventors: Akihiko SYOUGE, Takuma SAKAI, Kazuma MORI, Yasuyuki KOMADA, Takehiko NAKAJIMA, Noor Ashyikkin BINTI MOHD NOOR
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Publication number: 20190308687Abstract: A bicycle operation device includes a clamp, an operation unit and a wireless communicator. The clamp is attachable to a handlebar of a bicycle. The operation unit includes a housing having an upper housing portion and a lower housing portion. The upper housing portion is located above the lower housing portion in a state in which the bicycle operation device is attached to the handlebar. The wireless communicator is configured to communicate with a bicycle component. The wireless communicator is provided on the upper housing portion.Type: ApplicationFiled: June 19, 2019Publication date: October 10, 2019Inventors: Atsushi KOMATSU, Takehiko NAKAJIMA, Takafumi NISHINO
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Publication number: 20190309841Abstract: 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: October 10, 2019Inventors: Satoshi SHAHANA, Takehiko NAKAJIMA, Hitoshi TAKAYAMA
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Patent number: 10414463Abstract: A base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. An operating member is pivotally coupled to the base member about a first pivot axis. A hydraulic unit is coupled to the operating member to operate a bicycle component in response to an operation of the operating member. An electrical switch is to be activated by an input operation from a user. A wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least part of the hydraulic unit is disposed below at least one of the wireless communicator and the power supply in a mounting state of the bicycle operating device.Type: GrantFiled: August 26, 2016Date of Patent: September 17, 2019Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takafumi Nishino, Takehiko Nakajima
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Patent number: 10407121Abstract: 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 in a first direction. The additional operating member is movably coupled to the base member in a second direction and in a third direction different from the first direction and the second direction. The electrical switch is to provide an electric signal in response to a movement of the additional operating member in the third direction. 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.Type: GrantFiled: April 21, 2016Date of Patent: September 10, 2019Assignee: SHIMANO INC.Inventors: Atsushi Komatsu, Takehiko Nakajima, Takafumi Nishino
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Patent number: 10370056Abstract: A bicycle operation device includes a clamp and an operation unit. The clamp is attachable to a handlebar of a bicycle. The operation unit includes a wireless communicator configured to communicate with a bicycle component and an electric switch configured to transmit a signal to the wireless communicator. The operation unit is attachable to the clamp in a manner allowing for adjustment of the position of the operation unit relative to the clamp.Type: GrantFiled: August 25, 2017Date of Patent: August 6, 2019Assignee: Shimano Inc.Inventors: Atsushi Komatsu, Takehiko Nakajima, Takafumi Nishino
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Publication number: 20190233049Abstract: 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: ApplicationFiled: January 23, 2019Publication date: August 1, 2019Inventors: Masahiko FUKUDA, Toshihiko TAKAHASHI, Hitoshi TAKAYAMA, Masahiro NAKAKURA, Takehiko NAKAJIMA
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Publication number: 20190233048Abstract: 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: ApplicationFiled: January 23, 2019Publication date: August 1, 2019Inventors: Hitoshi TAKAYAMA, Masahiko FUKUDA, Toshihiko TAKAHASHI, Daisuke NAGO, Masahiro NAKAKURA, Takafumi NISHINO, Takehiko NAKAJIMA
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Patent number: 10363986Abstract: An electrical bicycle operating system comprises a first switch, a second switch, and a controller. The first switch is configured to generate a first signal. The second switch is configured to generate a second signal. The controller is configured to generate a third signal different from the first signal and the second signal in response to a concurrent operation of the first switch and the second switch. The controller is configured to generate a fourth signal different from the third signal in response to a release of the first switch in a state where the second switch is operated continuously after the concurrent operation.Type: GrantFiled: July 10, 2017Date of Patent: July 30, 2019Assignee: SHIMANO INC.Inventors: Toyoto Shirai, Kentaro Kosaka, Takafumi Nishino, Takehiko Nakajima, Yuta Kurokawa
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Publication number: 20190225298Abstract: 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: ApplicationFiled: January 23, 2019Publication date: July 25, 2019Inventors: Toshihiko TAKAHASHI, Masahiko FUKUDA, Hitoshi TAKAYAMA, Daisuke NAGO, Masahiro NAKAKURA, Takehiko NAKAJIMA