Patents by Inventor Keijiro NISHI
Keijiro NISHI 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: 10807671Abstract: An electrical bicycle operating system includes a first switch unit that includes a first switch group configured to be mounted to a bicycle on a first side of a central longitudinal axis of the bicycle, the first switch group including a first switch and a second switch having a first position and a second position in the first switch group. Also included is a second switch unit that includes a second switch group configured to be mounted to the bicycle on an opposite side from the first side, the second switch group including a third switch having a same position as the first position. A control unit is configured to generate a first signal where the first switch unit is actuated, a second signal where the second switch unit is actuated, and a third signal where the first switch unit and the second switch unit are actuated concurrently.Type: GrantFiled: April 16, 2018Date of Patent: October 20, 2020Assignee: Shimano Inc.Inventors: Makoto Usui, Keijiro Nishi
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Patent number: 10780940Abstract: A human-powered vehicle operating device including a base member, a first operating member, a second operating member, a first electrical switch and a second electrical switch. The first operating member includes a first operating surface and configured to pivot about a first axis with respect to the base member. The second operating member includes a second operating surface and configured to pivot about a second axis with respect to the base member. The first electrical switch is provided between the base member and the first operating member. The second electrical switch is provided between the base member and the second operating member. The first operating member and the second operating member are arranged next to each other in a first direction and configured to pivot independent from each other.Type: GrantFiled: December 26, 2018Date of Patent: September 22, 2020Assignee: Shimano Inc.Inventors: Nobuyuki Kakinoki, Kentaro Kosaka, Keijiro Nishi, Ryo Yamazaki
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Publication number: 20190315423Abstract: An electrical bicycle operating system includes a first switch unit that includes a first switch group configured to be mounted to a bicycle on a first side of a central longitudinal axis of the bicycle, the first switch group including a first switch and a second switch having a first position and a second position in the first switch group. Also included is a second switch unit that includes a second switch group configured to be mounted to the bicycle on an opposite side from the first side, the second switch group including a third switch having a same position as the first position. A control unit is configured to generate a first signal where the first switch unit is actuated, a second signal where the second switch unit is actuated, and a third signal where the first switch unit and the second switch unit are actuated concurrently.Type: ApplicationFiled: April 16, 2018Publication date: October 17, 2019Inventors: Makoto Usui, Keijiro Nishi
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Publication number: 20190217916Abstract: A human-powered vehicle operating device including a base member, a first operating member, a second operating member, a first electrical switch and a second electrical switch. The first operating member includes a first operating surface and configured to pivot about a first axis with respect to the base member. The second operating member includes a second operating surface and configured to pivot about a second axis with respect to the base member. The first electrical switch is provided between the base member and the first operating member. The second electrical switch is provided between the base member and the second operating member. The first operating member and the second operating member are arranged next to each other in a first direction and configured to pivot independent from each other.Type: ApplicationFiled: December 26, 2018Publication date: July 18, 2019Inventors: Nobuyuki KAKINOKI, Kentaro KOSAKA, Keijiro NISHI, Ryo YAMAZAKI
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Patent number: 10086907Abstract: A bicycle electrical component is basically provided with a wireless communication unit, a movable member, an electrical actuation unit and a support structure. The wireless communication unit includes a first housing and a wireless communication member that is contained within the first housing. The electrical actuation unit includes a second housing and an electrical actuator that is contained within the second housing. The electrical actuator is configured to actuate the movable member. The second housing is different from the first housing. The support structure detachably supports the wireless communication unit to the bicycle electrical component.Type: GrantFiled: February 9, 2016Date of Patent: October 2, 2018Assignee: Shimano Inc.Inventors: Hiroshi Tachibana, Kazuhiro Fujii, Yuta Mizutani, Keijiro Nishi, Yuki Kataoka, Atsushi Komatsu, Yuta Kurokawa, Shingo Sakurai
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Patent number: 9815522Abstract: A bicycle shifting apparatus comprises a shifting controller. The shifting controller is configured to control one of a front shifting device and a rear shifting device to change one of a front shift position and a rear shift position in response to a user input. The shifting controller is configured to control the other of the front shifting device and the rear shifting device to change the other of the front shift position and the rear shift position with a delay time period in conjunction with the one of the front shifting device and the rear shifting device in response to the user input. The shifting controller is configured to change the delay time period based on at least one of a gear ratio, the rear shift position, and a current rotational speed of a bicycle crank.Type: GrantFiled: December 2, 2015Date of Patent: November 14, 2017Assignee: SHIMANO INC.Inventors: Hiroshi Tachibana, Kazuhiro Fujii, Yuta Mizutani, Keijiro Nishi, Yuki Kataoka, Ryuichiro Takamoto, Ayumi Kato
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Patent number: 9809276Abstract: An electric bicycle derailleur control system is basically provided with a derailleur, a detecting device and a controller. The derailleur includes a chain guide and an electrical actuator. The chain guide is configured to displace a bicycle chain. The electrical actuator is operatively coupled to the chain guide to displace the chain guide. The detecting device is configured to detect information related to a reaction force of the bicycle chain. The controller is configured to control the electrical actuator in accordance with detected information.Type: GrantFiled: February 29, 2016Date of Patent: November 7, 2017Assignee: Shimano Inc.Inventors: Takafumi Katsura, Keijiro Nishi, Yuta Mizutani, Hiroshi Tachibana
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Patent number: 9776685Abstract: A front derailleur basically includes a fixed member, a movable member, a driven link and a first link. The fixing member is configured to be fixed to a bicycle frame. The movable member is movably supported with respect to the fixed member. The driven link is operatively coupled to the movable member. The first link movably connects the movable member to the fixed member, and is adjustably coupled to the driven link in a fixed position by a fixing structure to establish a fixed rest position of the movable member with respect to the fixed member.Type: GrantFiled: January 14, 2014Date of Patent: October 3, 2017Assignee: Shimano Inc.Inventors: Hiroshi Tachibana, Yuuta Mizutani, Keijiro Nishi, Kazuya Kuwayama, Atsuhiro Emura, Kenkichi Inoue
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Publication number: 20170247082Abstract: An electric bicycle derailleur control system is basically provided with a derailleur, a detecting device and a controller. The derailleur includes a chain guide and an electrical actuator. The chain guide is configured to displace a bicycle chain. The electrical actuator is operatively coupled to the chain guide to displace the chain guide. The detecting device is configured to detect information related to a reaction force of the bicycle chain. The controller is configured to control the electrical actuator in accordance with detected information.Type: ApplicationFiled: February 29, 2016Publication date: August 31, 2017Inventors: Takafumi KATSURA, Keijiro NISHI, Yuta MIZUTANI, Hiroshi TACHIBANA
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Publication number: 20170233036Abstract: A front derailleur basically includes a fixed member, a movable member, a driven link and a first link. The fixing member is configured to be fixed to a bicycle frame. The movable member is movably supported with respect to the fixed member. The driven link is operatively coupled to the movable member. The first link movably connects the movable member to the fixed member, and is adjustably coupled to the driven link in a fixed position by a fixing structure to establish a fixed rest position of the movable member with respect to the fixed member.Type: ApplicationFiled: January 14, 2014Publication date: August 17, 2017Applicant: Shimano Inc.Inventors: Hiroshi TACHIBANA, Yuuta MIZUTANI, Keijiro NISHI, Kazuya KUWAYAMA, Atsuhiro EMURA, Kenkichi INOUE
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Publication number: 20170166281Abstract: An electrical bicycle derailleur includes a base member and a movable member movably arranged between a retracted position and an extended position. A linkage operatively couples the movable member to the base member. The linkage includes a first link member and a second link member. The first link member is disposed closer to the base member than the second link member. A motor unit is operatively coupled to the first and second link members to rotate the first and second link members. A linkage housing is configured to support the first and second link members and the motor unit. A first diameter of the first link member is different from a second diameter of the second link member and/or a first tooth number of the first link member is different from a second tooth number of the second link member.Type: ApplicationFiled: December 14, 2015Publication date: June 15, 2017Inventors: Hiroshi TACHIBANA, Takeshi UEDA, Yuta MIZUTANI, Keijiro NISHI, Takahiro TABATA
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Publication number: 20170158285Abstract: A bicycle shifting apparatus comprises a shifting controller. The shifting controller is configured to control one of a front shifting device and a rear shifting device to change one of a front shift position and a rear shift position in response to a user input. The shifting controller is configured to control the other of the front shifting device and the rear shifting device to change the other of the front shift position and the rear shift position with a delay time period in conjunction with the one of the front shifting device and the rear shifting device in response to the user input. The shifting controller is configured to change the delay time period based on at least one of a gear ratio, the rear shift position, and a current rotational speed of a bicycle crank.Type: ApplicationFiled: December 2, 2015Publication date: June 8, 2017Applicant: SHIMANO INC.Inventors: Hiroshi TACHIBANA, Kazuhiro FUJII, Yuta MIZUTANI, Keijiro NISHI, Yuki KATAOKA, Ryuichiro TAKAMOTO, Ayumi KATO
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Patent number: 9656723Abstract: An electrical bicycle derailleur includes a base member and a movable member movably arranged between a retracted position and an extended position. A linkage operatively couples the movable member to the base member. The linkage includes a first link member and a second link member. The first link member is disposed closer to the base member than the second link member. A motor unit is operatively coupled to the first and second link members to rotate the first and second link members. A linkage housing is configured to support the first and second link members and the motor unit. A first diameter of the first link member is different from a second diameter of the second link member and/or a first tooth number of the first link member is different from a second tooth number of the second link member.Type: GrantFiled: December 14, 2015Date of Patent: May 23, 2017Assignee: Shimano Inc.Inventors: Hiroshi Tachibana, Takeshi Ueda, Yuta Mizutani, Keijiro Nishi, Takahiro Tabata
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Publication number: 20170101162Abstract: A bicycle electrical component is basically provided with a wireless communication unit, a movable member, an electrical actuation unit and a support structure. The wireless communication unit includes a first housing and a wireless communication member that is contained within the first housing. The electrical actuation unit includes a second housing and an electrical actuator that is contained within the second housing. The electrical actuator is configured to actuate the movable member. The second housing is different from the first housing. The support structure detachably supports the wireless communication unit to the bicycle electrical component.Type: ApplicationFiled: February 9, 2016Publication date: April 13, 2017Inventors: Hiroshi TACHIBANA, Kazuhiro FUJII, Yuta MIZUTANI, Keijiro NISHI, Yuki KATAOKA, Atsushi KOMATSU, Yuta KUROKAWA, Shingo SAKURAI
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Publication number: 20170101155Abstract: A bicycle electrical component is basically provided with a wireless communication unit, a movable member, an electrical actuation unit and a support structure. The wireless communication unit includes a first housing and a wireless communication member that is contained within the first housing. The electrical actuation unit includes a second housing and an electrical actuator that is contained within the second housing. The electrical actuator is configured to actuate the movable member. The second housing is different from the first housing. The support structure detachably supports the wireless communication unit to the bicycle electrical component.Type: ApplicationFiled: October 9, 2015Publication date: April 13, 2017Inventors: Hiroshi TACHIBANA, Kazuhiro FUJII, Yuta MIZUTANI, Keijiro NISHI, Yuki KATAOKA, Atsushi KOMATSU, Yuta KUROKAWA, Shingo SAKURAI
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Publication number: 20140148287Abstract: A front derailleur basically includes a fixed member, a movable member, a driven link and a first link. The fixing member is configured to be fixed to a bicycle frame. The movable member is movably supported with respect to the fixed member. The driven link is operatively coupled to the movable member. The first link movably connects the movable member to the fixed member, and is adjustably coupled to the driven link in a fixed position by a fixing structure to establish a fixed rest position of the movable member with respect to the fixed member.Type: ApplicationFiled: January 14, 2014Publication date: May 29, 2014Applicant: Shimano Inc.Inventors: Hiroshi TACHIBANA, Yuuta MIZUTANI, Keijiro NISHI, Kazuya KUWAYAMA, Atsuhiro EMURA, Kenkichi INOUE