Patents by Inventor Tsutomu Muraoka
Tsutomu Muraoka 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: 10427751Abstract: A bicycle-brake-caliper attachment structure comprises a base member. The base member is configured to be coupled to a brake caliper configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor.Type: GrantFiled: January 23, 2018Date of Patent: October 1, 2019Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Patent number: 10266226Abstract: A disc brake caliper for applying a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The disc brake caliper comprises an attachment surface and a first threaded hole. The attachment surface is configured to face a pipe portion of a bicycle frame in a state where the disc brake caliper is coupled to the bicycle frame. A first thread bolt is to be inserted in the first threaded hole so as to couple the disc brake caliper to one of the bicycle frame and a base member attached to the bicycle frame, the first threaded hole being provided on the attachment surface.Type: GrantFiled: October 31, 2016Date of Patent: April 23, 2019Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Publication number: 20180148124Abstract: A bicycle-brake-caliper attachment structure comprises a base member. The base member is configured to be coupled to a brake caliper configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor.Type: ApplicationFiled: January 23, 2018Publication date: May 31, 2018Applicant: SHIMANO INC.Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Patent number: 9908585Abstract: A bicycle brake caliper assembly comprises a brake caliper and a base member. The brake caliper is configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be coupled to the brake caliper and to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor. The base member includes a first coupling portion at which the brake caliper is coupled, and a second coupling portion at which the brake caliper is coupled and which is arranged apart from the first coupling portion in the radial direction.Type: GrantFiled: August 25, 2015Date of Patent: March 6, 2018Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Patent number: 9644584Abstract: A vehicle fuel supply structure with an improved fuel filter for easy maintenance of the fuel filter. A vehicle fuel supply structure includes fuel in a fuel tank that is sucked by a fuel pump and supplied to a fuel injection valve disposed in a throttle body via a secondary fuel filter adapted to filter the fuel to remove foreign matter therein. A regulator is provided for regulating fuel pressure. The secondary fuel filter, the regulator and the fuel injection valve are connected by fuel pipes. A third fuel filter is installed at least in an inlet side connecting portion between the regulator and a regulator inlet side fuel pipe, of the fuel pipes, on the side where fuel enters the regulator.Type: GrantFiled: March 5, 2013Date of Patent: May 9, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Tsubasa Ishii, Shosuke Suzuki, Tsutomu Muraoka, Takatomo Enami
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Publication number: 20170043839Abstract: A disc brake caliper for applying a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The disc brake caliper comprises an attachment surface and a first threaded hole. The attachment surface is configured to face a pipe portion of a bicycle frame in a state where the disc brake caliper is coupled to the bicycle frame. A first thread bolt is to be inserted in the first threaded hole so as to couple the disc brake caliper to one of the bicycle frame and a base member attached to the bicycle frame, the first threaded hole being provided on the attachment surface.Type: ApplicationFiled: October 31, 2016Publication date: February 16, 2017Applicant: SHIMANO INC.Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Patent number: 9561835Abstract: A bicycle brake assembly includes a brake unit, a fixing structure and an alignment structure. The brake unit includes first and second brake arms. The fixing structure is configured to operatively couple the brake unit to a brake supporting portion of a bicycle frame. The alignment structure is disposed in the vicinity of the fixing structure. The alignment structure is configured to align the brake unit to the brake supporting portion.Type: GrantFiled: June 19, 2012Date of Patent: February 7, 2017Assignee: Shimano Inc.Inventors: Takeshi Takachi, Tsutomu Muraoka
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Patent number: 9533733Abstract: A disc brake caliper for applying a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The disc brake caliper comprises an attachment surface and a first threaded hole. The attachment surface is configured to face a pipe portion of a bicycle frame in a state where the disc brake caliper is coupled to the bicycle frame. A first thread bolt is to be inserted in the first threaded hole so as to couple the disc brake caliper to one of the bicycle frame and a base member attached to the bicycle frame, the first threaded hole being provided on the attachment surface.Type: GrantFiled: May 21, 2014Date of Patent: January 3, 2017Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Patent number: 9347505Abstract: A disc brake caliper comprises a caliper main-body. The caliper main-body includes a facing surface and an attachment structure. The facing surface is configured to face a mounting portion of a bicycle frame to which the disc brake caliper is attached. A connecting member is to be attached to the attachment structure. The connecting member is configured to be connected to a fluid hose. The attachment structure is provided on the facing surface.Type: GrantFiled: January 30, 2014Date of Patent: May 24, 2016Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Patent number: 9227691Abstract: A bicycle brake caliper assembly comprises a brake caliper and a base member. The brake caliper is configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be coupled to the brake caliper and to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor.Type: GrantFiled: June 28, 2013Date of Patent: January 5, 2016Assignee: SHIMANO INC.Inventors: Daisuke Noborio, Tsutomu Muraoka, Osamu Kariyama, Masahiro Nakakura
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Publication number: 20150360744Abstract: A bicycle brake caliper assembly comprises a brake caliper and a base member. The brake caliper is configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be coupled to the brake caliper and to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor. The base member includes a first coupling portion at which the brake caliper is coupled, and a second coupling portion at which the brake caliper is coupled and which is arranged apart from the first coupling portion in the radial direction.Type: ApplicationFiled: August 25, 2015Publication date: December 17, 2015Applicant: SHIMANO INC.Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Publication number: 20150210345Abstract: A disc brake caliper comprises a caliper main-body. The caliper main-body includes a facing surface and an attachment structure. The facing surface is configured to face a mounting portion of a bicycle frame to which the disc brake caliper is attached. A connecting member is to be attached to the attachment structure. The connecting member is configured to be connected to a fluid hose. The attachment structure is provided on the facing surface.Type: ApplicationFiled: January 30, 2014Publication date: July 30, 2015Applicant: SHIMANO INC.Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Publication number: 20150001012Abstract: A disc brake caliper for applying a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The disc brake caliper comprises an attachment surface and a first threaded hole. The attachment surface is configured to face a pipe portion of a bicycle frame in a state where the disc brake caliper is coupled to the bicycle frame. A first thread bolt is to be inserted in the first threaded hole so as to couple the disc brake caliper to one of the bicycle frame and a base member attached to the bicycle frame, the first threaded hole being provided on the attachment surface.Type: ApplicationFiled: May 21, 2014Publication date: January 1, 2015Applicant: SHIMANO INC.Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Publication number: 20150001014Abstract: A bicycle brake caliper assembly comprises a brake caliper and a base member. The brake caliper is configured to apply a braking force on a brake disc rotor configured to be rotatable about a rotational axis. The base member is configured to be coupled to the brake caliper and to be attached to a bicycle frame such that relative position between the rotational axis of the brake disc rotor and the brake caliper is adjustable in a radial direction of the brake disc rotor.Type: ApplicationFiled: June 28, 2013Publication date: January 1, 2015Inventors: Daisuke NOBORIO, Tsutomu MURAOKA, Osamu KARIYAMA, Masahiro NAKAKURA
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Publication number: 20130333985Abstract: A bicycle brake assembly includes a brake unit, a fixing structure and an alignment structure. The brake unit includes first and second brake arms. The fixing structure is configured to operatively couple the brake unit to a brake supporting portion of a bicycle frame. The alignment structure is disposed in the vicinity of the fixing structure. The alignment structure is configured to align the brake unit to the brake supporting portion.Type: ApplicationFiled: June 19, 2012Publication date: December 19, 2013Applicant: SHIMANO INC.Inventors: Takeshi TAKACHI, Tsutomu MURAOKA
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Publication number: 20130239928Abstract: A vehicle fuel supply structure with an improved fuel filter for easy maintenance of the fuel filter. A vehicle fuel supply structure includes fuel in a fuel tank that is sucked by a fuel pump and supplied to a fuel injection valve disposed in a throttle body via a secondary fuel filter adapted to filter the fuel to remove foreign matter therein. A regulator is provided for regulating fuel pressure. The secondary fuel filter, the regulator and the fuel injection valve are connected by fuel pipes. A third fuel filter is installed at least in an inlet side connecting portion between the regulator and a regulator inlet side fuel pipe, of the fuel pipes, on the side where fuel enters the regulator.Type: ApplicationFiled: March 5, 2013Publication date: September 19, 2013Applicant: HONDA MOTOR CO., LTD.Inventors: Tsubasa ISHII, Shosuke SUZUKI, Tsutomu MURAOKA, Takatomo ENAMI
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Patent number: 7578563Abstract: A bicycle rim is basically provided with an annular metallic rim member and a reinforcing member. The annular metallic rim member includes a plurality of spoke attachment areas with at least one spoke attachment opening in each of the spoke attachment areas. The reinforcing member overlies an exterior surface of the annular metallic rim member. The reinforcing member includes a plurality of spoke attachment sections individually arranged in a circumferential direction to overlie the spoke attachment openings. The spoke attachment sections include a plurality of discrete first reinforcing parts and a plurality of discrete second reinforcing parts. The first reinforcing parts are attached to the spoke attachment areas around the spoke attachment openings. The second reinforcing parts are attached to the spoke attachment areas to overlie the first reinforcing parts, with the second reinforcing parts being larger than the first reinforcing parts.Type: GrantFiled: April 25, 2007Date of Patent: August 25, 2009Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Takashi Yaegashi, Shinpei Okajima
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Patent number: 7503133Abstract: A bicycle pedal assembly includes a pair of pedals and a pair of cleats. The cleats are configured and arranged to selectively cooperate with the right and left bicycle pedals such that two different release forces can be attained using a single pair of cleats. The pedal includes a body that rotates about a shaft and a front and rear clamping members are coupled to opposite ends of the pedal body. Also, the front and rear clamping members are preferably pivotally coupled to the pedal body.Type: GrantFiled: November 18, 2008Date of Patent: March 17, 2009Assignee: Shimano Inc.Inventor: Tsutomu Muraoka
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Patent number: 7464994Abstract: A bicycle rim is provided with an annular metallic rim member and at least one reinforcing resin material. The annular metallic rim member includes an annular tire attachment portion adapted to have a tire mounted thereon, a first annular side wall portion, a second annular side wall portion and an inner annular wall portion connecting the first and second annular side wall portions with a plurality of spoke attachment openings formed in the inner annular wall portion. The at least one reinforcing resin material is attached to the annular metallic rim member such that the reinforcing resin material continuously extends from the first annular side wall portion across the inner annular wall portion to the second annular side wall portions to overlie exterior surface areas of the first and second annular side wall portions and exterior surface areas of the inner annular wall portion around the spoke attachment openings.Type: GrantFiled: March 3, 2006Date of Patent: December 16, 2008Assignee: Shimano Inc.Inventors: Shinpei Okajima, Takashi Yaegashi, Tsutomu Muraoka
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Patent number: 7430941Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: GrantFiled: November 30, 2005Date of Patent: October 7, 2008Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura