Patents by Inventor Naohiro Yoshida
Naohiro Yoshida 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: 11964794Abstract: A container capable of suppressing the unexpected opening of a pair of upper walls including a first side wall and a second side wall facing each other; a third side wall provided therebetween; a first upper wall and a second upper wall; and a locking member. The first side wall and the second side wall face each other. The first upper wall and the second upper wall are configured to be rotatable with respect to the first side wall and the second side wall, respectively. The locking member includes a fixed portion and an engagement portion, the fixed portion being fixed to the third side wall, the engagement portion being engaged with at least one of the first upper wall and the second upper wall to prevent the first upper wall and the second upper wall from opening.Type: GrantFiled: December 23, 2019Date of Patent: April 23, 2024Assignee: Kyoraku Co., Ltd.Inventors: Kouichiro Yoshida, Naohiro Ikeguchi
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Patent number: 11134592Abstract: A power conversion device capable of suppressing air from flowing back into a housing is provided. The power conversion device includes a power conversion unit configured to perform power conversion, a housing for accommodating the power conversion and having an air inlet and an air outlet, a fan provided inside the housing and generating airflow in such a manner that air flows to the outside of the housing via the air outlet after flowing into the housing via the air inlet, and a cover provided at the air outlet, the cover being configured to be brought into an opened state with respect to the air outlet if the airflow generated by the fan is stronger than airflow moving from the outside of the housing toward the air outlet, and to be brought into a closed state with respect to the air outlet if the airflow generated by the fan is weaker than the airflow moving from the outside of the housing toward the exhaust of the housing.Type: GrantFiled: November 28, 2016Date of Patent: September 28, 2021Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Naohiro Yoshida, Nobuhiro Takahashi
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Patent number: 10836410Abstract: A carbody of a railcar includes: an underframe; a first member provided at one of vertical sides of a vertical center of the underframe, supported by the underframe, and absorbing collision energy; a second member provided at the other vertical side of the vertical center of the underframe, supported by the underframe, and contacting an obstacle when the first member is compressed by collision with the obstacle. In a case where the second member receives a reaction force from the obstacle when the first member is compressed by the collision with the obstacle, the second member transfers to the underframe a moment load that is opposite in a rotational direction to a moment load transferred to the underframe by the first member.Type: GrantFiled: May 31, 2016Date of Patent: November 17, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Naohiro Yoshida, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa
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Patent number: 10770738Abstract: Disclosed is a vehicle with a fuel cell system mounted thereon, the fuel cell system including: a fuel cell; a plurality of tanks for storing therein fuel gas to be used for power generation of the fuel cell, each tank having an opening/closing valve for switching over between execution and halt of supply of the fuel gas; a plurality of supply flow paths connected to the opening/closing valves in the plurality of tanks to feed the fuel gas supplied from the plurality of tanks, respectively; a merging flow path for merging together the plurality of supply flow paths to feed the fuel gas to the fuel cell; and a controller for controlling opening and closing of the opening/closing valves.Type: GrantFiled: April 19, 2018Date of Patent: September 8, 2020Assignee: Toyota Jidosha Kabushiki KaishaInventor: Naohiro Yoshida
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Patent number: 10676114Abstract: A collision energy absorbing device of a railcar includes: at least one outside plate constituting an outer tube having an axis extending in a car longitudinal direction; and at least one partition plate extending in the car longitudinal direction in an internal space surrounded by the at least one outside plate, the at least one partition plate fixed to the at least one outside plate and dividing the internal space. An end portion of the partition plate which portion is located at an end in a direction perpendicular to the axis is sandwiched by the at least one outside plate and constitutes a part of the outer tube.Type: GrantFiled: June 7, 2016Date of Patent: June 9, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Naohiro Yoshida, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa
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Patent number: 10493932Abstract: A collision energy absorbing device of a railcar includes: an outside plate constituting an outer tube including an axis extending in a car longitudinal direction; and at least one partition plate extending in the car longitudinal direction in an internal space surrounded by the outside plate, the at least one partition plate fixed to the outside plate and dividing the internal space. An outer shape of the outer tube is a shape that is symmetrical with respect to a virtual horizontal surface including the axis, and the at least one partition plate includes a missing portion in the internal space.Type: GrantFiled: June 7, 2016Date of Patent: December 3, 2019Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Naohiro Yoshida, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa
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Patent number: 10493999Abstract: A railcar head structure includes: a roof bodyshell positioned above a driver's cab window; and an underframe. The underframe includes: a pair of side sills; and a center sill located between the side sills and extending in a car longitudinal direction. A collision post is erected on a tip end of the center sill. A pillar is provided at the driver's cab window and extends so as to divide the driver's cab window. The pillar includes one end joined to the collision post and the other end joined to the roof bodyshell and couples the roof bodyshell and the collision post to each other.Type: GrantFiled: July 17, 2014Date of Patent: December 3, 2019Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Naohiro Yoshida, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa
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Publication number: 20190274236Abstract: A power conversion device capable of suppressing air from flowing back into a housing is provided. The power conversion device includes a power conversion unit configured to perform power conversion, a housing for accommodating the power conversion and having an air inlet and an air outlet, a fan provided inside the housing and generating airflow in such a manner that air flows to the outside of the housing via the air outlet after flowing into the housing via the air inlet, and a cover provided at the air outlet, the cover being configured to be brought into an opened state with respect to the air outlet if the airflow generated by the fan is stronger than airflow moving from the outside of the housing toward the air outlet, and to be brought into a closed state with respect to the air outlet if the airflow generated by the fan is weaker than the airflow moving from the outside of the housing toward the exhaust of the housing.Type: ApplicationFiled: November 28, 2016Publication date: September 5, 2019Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Naohiro YOSHIDA, Nobuhiro TAKAHASHI
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Patent number: 10124817Abstract: A carbody of a railcar includes a roof bodyshell, a side bodyshell, and a cantrail. The cantrail includes: an outside plate; an inside plate arranged at a car inner side of the outside plate and spaced apart from the outside plate; and a plurality of coupling rib plates coupled to the outside plate and the inside plate and forming a plurality of triangles together with the outside plate and the inside plate. Each of the outside plate and the inside plate includes a plurality of sections each connecting apexes of the triangle. The plurality of sections of at least one of the outside plate and the inside plate include a plurality of flat plate sections. In the at least one plate, two or more adjacent flat plate sections among the plurality of flat plate sections are arranged on a straight line.Type: GrantFiled: February 5, 2014Date of Patent: November 13, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Naohiro Yoshida, Naoaki Kawakami, Hiroyuki Sakurai
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Publication number: 20180309146Abstract: Disclosed is a vehicle with a fuel cell system mounted thereon, the fuel cell system including: a fuel cell; a plurality of tanks for storing therein fuel gas to be used for power generation of the fuel cell, each tank having an opening/closing valve for switching over between execution and halt of supply of the fuel gas; a plurality of supply flow paths connected to the opening/closing valves in the plurality of tanks to feed the fuel gas supplied from the plurality of tanks, respectively; a merging flow path for merging together the plurality of supply flow paths to feed the fuel gas to the fuel cell; and a controller for controlling opening and closing of the opening/closing valves.Type: ApplicationFiled: April 19, 2018Publication date: October 25, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Naohiro YOSHIDA
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Publication number: 20180222417Abstract: A collision energy absorbing device of a railcar includes: an outside plate constituting an outer tube including an axis extending in a car longitudinal direction; and at least one partition plate extending in the car longitudinal direction in an internal space surrounded by the outside plate, the at least one partition plate fixed to the outside plate and dividing the internal space. An outer shape of the outer tube is a shape that is symmetrical with respect to a virtual horizontal surface including the axis, and the at least one partition plate includes a missing portion in the internal space.Type: ApplicationFiled: June 7, 2016Publication date: August 9, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi SANO, Naoaki KAWAKAMI, Naohiro YOSHIDA, Shinichiro HATA, Seiichiro YAGI, Masayuki TOMIZAWA
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Patent number: 10017192Abstract: A railcar collision energy absorbing device includes: an energy absorbing element crushed in collision; and a casing extending in a car longitudinal direction so as to accommodate the energy absorbing element. One end of the casing is supported by a main structure of a railcar. The casing is constituted by a plurality of tubular bodies whose overlapping portions are coupled to each other. The casing telescopically contracts in the collision by breaking of a coupling portion between the tubular bodies.Type: GrantFiled: July 17, 2014Date of Patent: July 10, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Naohiro Yoshida, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa
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Publication number: 20180162422Abstract: A collision energy absorbing device of a railcar includes: at least one outside plate constituting an outer tube having an axis extending in a car longitudinal direction; and at least one partition plate extending in the car longitudinal direction in an internal space surrounded by the at least one outside plate, the at least one partition plate fixed to the at least one outside plate and dividing the internal space. An end portion of the partition plate which portion is located at an end in a direction perpendicular to the axis is sandwiched by the at least one outside plate and constitutes a part of the outer tube.Type: ApplicationFiled: June 7, 2016Publication date: June 14, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi SANO, Naoaki KAWAKAMI, Naohiro YOSHIDA, Shinichiro HATA, Seiichiro YAGI, Masayuki TOMIZAWA
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Publication number: 20180079432Abstract: A carbody of a railcar includes: an underframe; a first member provided at one of vertical sides of a vertical center of the underframe, supported by the underframe, and absorbing collision energy; a second member provided at the other vertical side of the vertical center of the underframe, supported by the underframe, and contacting an obstacle when the first member is compressed by collision with the obstacle. In a case where the second member receives a reaction force from the obstacle when the first member is compressed by the collision with the obstacle, the second member transfers to the underframe a moment load that is opposite in a rotational direction to a moment load transferred to the underframe by the first member.Type: ApplicationFiled: May 31, 2016Publication date: March 22, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi SANO, Naoaki KAWAKAMI, Naohiro YOSHIDA, Shinichiro HATA, Seiichiro YAGI, Masayuki TOMIZAWA
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Patent number: 9849891Abstract: A railcar includes a side sliding door and entrance peripheral-member surrounding the side entrance. The entrance peripheral-member includes a door pocket post in which outer and inner portions are inwardly of the outer portion in car-width direction coupled to each other. The side sliding door peripheral portion is pressed against an edge portion, extending along the side entrance of the entrance peripheral-member via a rubber seal at the side entrance closed state. In the side entrance open state, the side sliding door is pulled into a door pocket space facing the door pocket post inner portion. A portion projecting inwardly in car-width direction beyond the inner portion and including a tip end contacting the rubber seal provided at at least part of region constituted by portions of upper and lower edges of the side entrance peripheral-member and lateral edge at the edge portion door pocket post side of the entrance peripheral-member.Type: GrantFiled: June 11, 2013Date of Patent: December 26, 2017Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Naoaki Kawakami, Shinichi Okada, Naohiro Yoshida, Kazumasa Inaba, Kenji Waki
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Patent number: 9718481Abstract: A railcar includes: an underframe including an end beam at its railcar-longitudinal-direction end portion; side bodyshells; a roof bodyshell; side outside plates respectively arranged at both railcar-width-direction end portions of the railcar and constituting the side bodyshells; corner posts extending from the end beam toward the roof bodyshell; and intermediate coupling members each configured to couple the side outside plate and the corner post, the stiffness of the intermediate coupling member in a railcar longitudinal direction being lower than the stiffness of the intermediate coupling member in a vertical direction.Type: GrantFiled: July 12, 2012Date of Patent: August 1, 2017Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Yasufumi Minamimoto, Naohiro Yoshida
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Publication number: 20170144677Abstract: A carbody of a railcar includes a roof bodyshell, a side bodyshell, and a cantrail. The cantrail includes: an outside plate; an inside plate arranged at a car inner side of the outside plate and spaced apart from the outside plate; and a plurality of coupling rib plates coupled to the outside plate and the inside plate and forming a plurality of triangles together with the outside plate and the inside plate. Each of the outside plate and the inside plate includes a plurality of sections each connecting apexes of the triangle. The plurality of sections of at least one of the outside plate and the inside plate include a plurality of flat plate sections. In the at least one plate, two or more adjacent flat plate sections among the plurality of flat plate sections are arranged on a straight line.Type: ApplicationFiled: February 5, 2014Publication date: May 25, 2017Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Naohiro YOSHIDA, Naoaki KAWAKAMI, Hiroyuki SAKURAI
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Patent number: 9419291Abstract: A moving body, such as a vehicle, having one or more fuel cells mounted thereon. The fuel cells, which power the moving body, generate electricity and release water as a by-product. Accordingly, the moving body includes a water discharge module that releases water produced by the fuel cells to the atmosphere using a water outlet. The water outlet may be located in a front section of the moving body. The moving body may further include a water tank that temporarily stores water before releasing the water to the atmosphere.Type: GrantFiled: March 13, 2013Date of Patent: August 16, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Naohiro Yoshida, Toshiyuki Kondo, Masahiko Hibino, Osamu Yumita, Yoshihiro Funayama
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Publication number: 20160167679Abstract: A railcar head structure includes: a roof bodyshell positioned above a driver's cab window; and an underframe. The underframe includes: a pair of side sills; and a center sill located between the side sills and extending in a car longitudinal direction. A collision post is erected on a tip end of the center sill. A pillar is provided at the driver's cab window and extends so as to divide the driver's cab window. The pillar includes one end joined to the collision post and the other end joined to the roof bodyshell and couples the roof bodyshell and the collision post to each other.Type: ApplicationFiled: July 17, 2014Publication date: June 16, 2016Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi SANO, Naoaki KAWAKAMI, Naohiro YOSHIDA, Shinichiro HATA, Seiichiro YAGI, Masayuki TOMIZAWA
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Publication number: 20160152247Abstract: A railcar collision energy absorbing device includes: an energy absorbing element crushed in collision; and a casing extending in a car longitudinal direction so as to accommodate the energy absorbing element. One end of the casing is supported by a main structure of a railcar. The casing is constituted by a plurality of tubular bodies whose overlapping portions are coupled to each other. The casing telescopically contracts in the collision by breaking of a coupling portion between the tubular bodies.Type: ApplicationFiled: July 17, 2014Publication date: June 2, 2016Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi SANO, Naoaki KAWAKAMI, Naohiro YOSHIDA, Shinichiro HATA, Seiichiro YAGI, Masayuki TOMIZAWA