Patents by Inventor Naoaki Kawakami
Naoaki Kawakami 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: 20240130228Abstract: A light-emitting device with high heat resistance in a manufacturing process is to be provided.Type: ApplicationFiled: January 31, 2022Publication date: April 18, 2024Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yui Yoshiyasu, Naoaki HASHIMOTO, Tatsuyoshi TAKAHASHI, Sachiko KAWAKAMI, Satoshi SEO
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Publication number: 20240121979Abstract: A light-emitting device with high heat resistance in a manufacturing process is to be provided.Type: ApplicationFiled: February 1, 2022Publication date: April 11, 2024Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yui YOSHIYASU, Naoaki HASHIMOTO, Tatsuyoshi TAKAHASHI, Sachiko KAWAKAMI, Satoshi SEO
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Publication number: 20240107883Abstract: A novel mixed material with improved resistance is provided. The mixed material includes a first heteroaromatic compound and a second heteroaromatic compound, and the first heteroaromatic compound is represented by any one of General Formulae (G1) to (G6). The second heteroaromatic compound is not represented by the same general formula as that of the first heteroaromatic compound.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Inventors: Yui YOSHIYASU, Naoaki HASHIMOTO, Tatsuyoshi TAKAHASHI, Sachiko KAWAKAMI, Satoshi SEO
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Patent number: 11917882Abstract: A light-emitting device, an electronic device, or a lighting device with low power consumption and high reliability is provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, a third light-emitting element, and a fourth light-emitting element. The first to fourth light-emitting elements include the same EL layer between an anode and a cathode. The EL layer includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer contains a fluorescent substance. The peak wavelength of an emission spectrum of the fluorescent substance in a toluene solution of the fluorescent substance is 440 nm to 460 nm, preferably 440 nm to 455 nm. The second light-emitting layer contains a phosphorescent substance. The first light-emitting element exhibits blue emission. The second light-emitting element exhibits green emission. The third light-emitting element exhibits red emission.Type: GrantFiled: November 25, 2020Date of Patent: February 27, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Toshiki Sasaki, Tsunenori Suzuki, Sachiko Kawakami, Naoaki Hashimoto
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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: 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: 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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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: 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: 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: 9421299Abstract: The present invention is directed to providing a safe medical adhesive, a cured body of which is hard to be degraded and decomposed and thus stable and the cured body generates less amount of acid, aldehyde, etc. due to degradation/decomposition. The medical adhesive includes a hydrophilic urethane prepolymer (UP) obtained by reacting a polyisocyanate component (A) containing a fluorine-containing non-aromatic polyisocyanate compound (A1) as an essential ingredient and a polyol component (B) containing a hydrophilic polyol (B1) as an essential ingredient, wherein a chlorine content in a chlorine-containing organic compound based on the weight of the hydrophilic urethane prepolymer (UP) is 0.005 wt % or less.Type: GrantFiled: March 9, 2012Date of Patent: August 23, 2016Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Naoaki Kawakami, Hiroaki Maeda
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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
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Publication number: 20150203129Abstract: A railcar according to the present invention 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: ApplicationFiled: July 12, 2012Publication date: July 23, 2015Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Sano, Naoaki Kawakami, Yasufumi Minamimoto, Naohiro Yoshida