Patents by Inventor Takashi Harayama
Takashi Harayama 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: 11518275Abstract: A fuel cell vehicle includes: a fuel cell; a storage portion to store produced water that is produced as a result of power generation by the fuel cell; a drainage valve for switching between a storage state and a drainage state of discharging the produced water from the storage portion to the outside of the fuel cell vehicle; a road information acquisition portion configured to acquire road information on roads on which the fuel cell vehicle travels; and a controller configured to drainage valve control operation. The controller sets a road region meeting a first condition defined in advance regarding road information and that permits the drainage state as a first road region where the drainage state is permitted, and the controller performs drainage if a drainage implementation condition defined in advance, including traveling of the fuel cell vehicle in the first road region, is fulfilled.Type: GrantFiled: December 28, 2020Date of Patent: December 6, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahiko Hasegawa, Takashi Harayama, Ayano Asai, Koji Terashima, Shigeaki Murata, Tomio Yamanaka, Syun Yoshida
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Patent number: 11196079Abstract: The nonaqueous electrolyte secondary battery 100 herein proposed is characterized by being manufactured by performing an initial charging and discharging treatment on an assembly, in which are accommodated in a battery case 80 an electrode body 40, and a nonaqueous electrolyte containing a compound expressed by a general formula: A+[PX6-2n(C2O4)n]?, the content of the compound being 1.1 mass % to 1.2 mass % when the total mass of the nonaqueous electrolyte is assumed to be 100 mass %.Type: GrantFiled: September 16, 2015Date of Patent: December 7, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Koji Takahata
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Patent number: 11108078Abstract: A nonaqueous electrolyte secondary battery includes: an electrode assembly; a nonaqueous electrolyte; and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer. The negative electrode includes a negative electrode active material layer. The separator is interposed between the positive electrode and the negative electrode. The battery case accommodates the electrode assembly and the nonaqueous electrolyte. Ends of contact faces of the negative electrode active material layer and the separator are at least partially bonded to each other.Type: GrantFiled: February 21, 2019Date of Patent: August 31, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Ryo Hanasaki
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Publication number: 20210207970Abstract: A navigation device includes: a drivable distance acquisition portion that acquires a drivable distance over which a fuel cell vehicle is able to drive without being replenished with hydrogen gas; a hydrogen station identification portion that identifies a hydrogen station present within a drivable range; a route setting portion that sets a target route and that changes, when the distance of a first route set according to a predetermined condition is longer than the drivable distance, the target route to a second route that passes through a specific hydrogen station and that is different from the first route; and a performance requirement transmission portion that transmits, to the specific hydrogen station, through a communication portion mounted on the fuel cell vehicle, a performance requirement of pre-processing for charging the hydrogen gas into a hydrogen gas storage portion included in the fuel cell vehicle.Type: ApplicationFiled: December 28, 2020Publication date: July 8, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ayano ASAI, Takashi HARAYAMA, Koji TERASHIMA, Shigeaki MURATA, Takahiko HASEGAWA, Tomio YAMANAKA, Syun YOSHIDA
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Publication number: 20210206293Abstract: A fuel cell vehicle includes: a fuel cell; a storage portion to store produced water that is produced as a result of power generation by the fuel cell; a drainage valve for switching between a storage state and a drainage state of discharging the produced water from the storage portion to the outside of the fuel cell vehicle; a road information acquisition portion configured to acquire road information on roads on which the fuel cell vehicle travels; and a controller configured to drainage valve control operation. The controller sets a road region meeting a first condition defined in advance regarding road information and that permits the drainage state as a first road region where the drainage state is permitted, and the controller performs drainage if a drainage implementation condition defined in advance, including traveling of the fuel cell vehicle in the first road region, is fulfilled.Type: ApplicationFiled: December 28, 2020Publication date: July 8, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahiko HASEGAWA, Takashi HARAYAMA, Ayano ASAI, Koji TERASHIMA, Shigeaki MURATA, Tomio YAMANAKA, Syun YOSHIDA
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Publication number: 20210199451Abstract: A movement plan producing system that produces a movement plan for a hydrogen filling vehicle includes: a residual hydrogen amount information acquisition portion that communicates with a plurality of vehicles using hydrogen gas as fuel to acquire residual hydrogen amount information indicating a residual hydrogen amount in a hydrogen tank of each of the vehicles; a positional information acquisition portion that acquires positional information indicating the position of each of the plurality of vehicles; and a plan producing portion that produces the movement plan for making the hydrogen filling vehicle fill at least some of the plurality of vehicles with hydrogen using the acquired residual hydrogen amount information and the acquired positional information.Type: ApplicationFiled: December 17, 2020Publication date: July 1, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shigeaki MURATA, Takashi HARAYAMA, Ayano ASAI, Koji TERASHIMA, Takahiko HASEGAWA, Tomio YAMANAKA, Koichi NUMATA, Syun YOSHIDA
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Publication number: 20190190062Abstract: A nonaqueous electrolyte secondary battery includes: an electrode assembly; a nonaqueous electrolyte; and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer. The negative electrode includes a negative electrode active material layer. The separator is interposed between the positive electrode and the negative electrode. The battery case accommodates the electrode assembly and the nonaqueous electrolyte. Ends of contact faces of the negative electrode active material layer and the separator are at least partially bonded to each other.Type: ApplicationFiled: February 21, 2019Publication date: June 20, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi HARAYAMA, Ryo HANASAKI
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Patent number: 10186728Abstract: Provided is a nonaqueous electrolyte secondary battery including a flat wound electrode body. The flat wound electrode body has a flat portion, a first R portion, and a second R portion. The second R portion is provided on a bottom side of a battery case when a nonaqueous electrolytic solution is put into the battery case at least in a battery construction step. Opposite end portions of the second R portion in the winding axial direction are squashed in a thickness direction of the electrode body to a larger extent than opposite end portions of the first R portion in the winding axial direction.Type: GrantFiled: November 6, 2015Date of Patent: January 22, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takashi Harayama
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Patent number: 10181588Abstract: A battery is provided with a lid member that closes a case, a collector terminal member having an insert-through part, an insulator that electrically insulates the lid member and the collector terminal member, and a gasket that provides a seal between the lid member and the collector terminal member. The lid member has a protrusion protruding downward in the vertical direction from the bottom. A gasket is in the same position as the protruding section in an inside-outside direction, which is perpendicular to the vertical direction, and has a sealing part pressed by the protruding section. At least one gap exists in the vicinity of the seal section in a different position to the seal section in the inside-outside direction, and at least portions of the gaps are enclosed by the gasket and the collector terminal member.Type: GrantFiled: March 21, 2013Date of Patent: January 15, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Kazuyuki Kusama
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Patent number: 10170797Abstract: A lithium ion battery has a flat wound electrode assembly, a nonaqueous electrolyte, and a battery case. The nonaqueous electrolyte contains an electrically insulating inorganic aggregate and is formed of an impregnating electrolyte impregnated into the flat wound electrode assembly and a surplus electrolyte not impregnated into the flat wound electrode assembly. Letting the flat wound electrode assembly be divided into a planar region where the electrode surfaces are planar surfaces and a lower wound curved region which is positioned vertically downward from the planar region and where the electrode surfaces are curved, a boundary plane that includes the boundary between the planar region and the lower wound curved region, the inorganic aggregate amount MO included in a space which is below the boundary plane and the inorganic aggregate amount MI included in the impregnating electrolyte within the flat wound electrode assembly satisfy the relationship MO>MI.Type: GrantFiled: September 9, 2015Date of Patent: January 1, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Hiroshi Onizuka
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Publication number: 20180269533Abstract: A lithium ion battery has a flat wound electrode assembly, a nonaqueous electrolyte, and a battery case. The nonaqueous electrolyte contains an electrically insulating inorganic aggregate and is formed of an impregnating electrolyte impregnated into the flat wound electrode assembly and a surplus electrolyte not impregnated into the flat wound electrode assembly. Letting the flat wound electrode assembly be divided into a planar region where the electrode surfaces are planar surfaces and a lower wound curved region which is positioned vertically downward from the planar region and where the electrode surfaces are curved, a boundary plane that includes the boundary between the planar region and the lower wound curved region, the inorganic aggregate amount MO included in a space which is below the boundary plane and the inorganic aggregate amount MI included in the impregnating electrolyte within the flat wound electrode assembly satisfy the relationship MO>MI.Type: ApplicationFiled: September 9, 2015Publication date: September 20, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi HARAYAMA, Hiroshi ONIZUKA
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Patent number: 10069128Abstract: A battery pack has a plurality of series-connected batteries each having an electrode body, a battery case, a positive extending member, a positive external terminal mechanically joined and electrically connected to a positive external extending part of the positive extending member, by caulking deformation thereof, a negative extending member, and a negative external terminal mechanically joined and electrically connected to a negative external extending part of the negative extending member, by caulking deformation thereof. Among the positive and negative external extending parts, the positive and negative external terminals, the metal making up the positive external extending part has the lowest tensile strength. The battery pack includes bus bars; positive fastening members for fastening the positive external terminals to the bus bars; and negative fastening members for fastening the negative external terminals to the bus bars. The negative external terminal is thinner than the positive external terminal.Type: GrantFiled: April 24, 2013Date of Patent: September 4, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takashi Harayama
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Patent number: 10062872Abstract: A sealed battery includes an electrode assembly; a case having an opening portion and accommodating the electrode assembly; a lid closing the opening portion and having a through-hole; a collector terminal including an inner terminal segment and a projection; and an insulating seal in contact with a bottom surface of the lid, the bottom surface being an inner side of the lid in a thickness direction of the lid, the inner side of the lid facing an inside of the case when the lid closes the opening portion, and the insulating seal providing sealing between the lid and the collector terminal. The lid has a protrusion protruding from the bottom surface of the lid. The protrusion surrounds the through-hole. A part of the protrusion protrudes into the through-hole. The through-hole has a smallest opening diameter at a position at which the part of the protrusion protrudes into the through-hole.Type: GrantFiled: March 25, 2016Date of Patent: August 28, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takashi Harayama
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Patent number: 10026933Abstract: A nonaqueous electrolyte battery provided by the present invention includes: an electrode body (80) having a flat shape and including a positive electrode and a negative electrode (60); a square-shaped battery case (30) configured to accommodate therein the electrode body (80) and a nonaqueous electrolyte; and a negative electrode collector terminal (94) placed in the battery case (30) and connected to the negative electrode (60) of the electrode body (80). The negative electrode collector terminal (94) is mainly made of copper or copper alloy. An insulator film (10) configured to insulate the battery case (30) from the electrode body (80) is placed between an inner wall (30a) of the battery case (30) and the electrode body (80). The insulator film (10) is joined to the inner wall (30a) of the battery case (30), and the insulator film (10) is placed so as not to make contact with the negative electrode collector terminal (94).Type: GrantFiled: August 20, 2014Date of Patent: July 17, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Koji Takahata, Tomohide Sumi, Yoshio Matsuyama
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Patent number: 10014515Abstract: A battery includes: a battery case having a case body member and a case lid member having a through hole; a rivet that engages with the through hole; and a gasket. The through hole is hermetically sealed with the gasket interposed between the circumferential outer surface of the case lid member and an outer flange of the rivet. The case lid member is configured such that, in a state wherein a peripheral edge portion connected to an opening end portion of the case body member, the circumferential outer surface is positioned in the axial outward direction such that the circumferential outer surface faces further towards the outer side along the axis line of the through hole than the peripheral edge portion and the opening end portion.Type: GrantFiled: September 27, 2011Date of Patent: July 3, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takashi Harayama, Kazuyuki Kusama, Hiroyuki Nakayama
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Patent number: 9991479Abstract: A sealed battery 10 is provided, which has a seam 45 between a case main body 21 and a lid 22 on an outer surface 22A side of the lid 22, and in which this seam 25 is laser welded. A terminal 40 connected to an electrode assembly in the battery 10 is led to the outside from a through hole in the lid 22 and is separated from the lid outer surface 22A by an outside resin member 60. The outside resin member 60 is constituted of a resin matrix 62, which is formed of a nonaromatic resin composition, and inorganic fibers 64 present dispersed in the resin matrix 62. At least 50% by mass of the inorganic fibers 64 in the outside resin member 60 is disposed such that the fiber axial direction of the inorganic fibers 64 is parallel to the outer surface of the lid 22.Type: GrantFiled: April 24, 2013Date of Patent: June 5, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Harayama, Kazuyuki Kusama
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Patent number: 9960407Abstract: A sealed battery includes a filling hole, and a gasket and a blind rivet that seal the filling hole. A tapered surface that is inclined toward an inside of a battery case is formed around the filling hole of the battery case. The filling hole is sealed by the gasket and the blind rivet by the blind rivet plastic deforming.Type: GrantFiled: November 21, 2012Date of Patent: May 1, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroyuki Nakayama, Takashi Harayama, Kazuyuki Kusama
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Publication number: 20170309952Abstract: The nonaqueous electrolyte secondary battery 100 herein proposed is characterized by being manufactured by performing an initial charging and discharging treatment on an assembly, in which are accommodated in a battery case 80 an electrode body 40, and a nonaqueous electrolyte containing a compound expressed by a general formula: A+[PX6-2n(C2O4)n]?, the content of the compound being 1.1 mass % to 1.2 mass % when the total mass of the nonaqueous electrolyte is assumed to be 100 mass %.Type: ApplicationFiled: September 16, 2015Publication date: October 26, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi HARAYAMA, Koji TAKAHATA
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Publication number: 20170309953Abstract: A nonaqueous electrolyte secondary battery includes: an electrode assembly; a nonaqueous electrolyte; and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer. The negative electrode includes a negative electrode active material layer. The separator is interposed between the positive electrode and the negative electrode. The battery case accommodates the electrode assembly and the nonaqueous electrolyte. Ends of contact faces of the negative electrode active material layer and the separator are at least partially bonded to each other.Type: ApplicationFiled: October 16, 2015Publication date: October 26, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi HARAYAMA, Ryo HANASAKI
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Patent number: 9722219Abstract: A battery includes a bottomed case of box shape housing a power-generating element, a lid component for the case, a terminal electrode provided outside the case and extending in the direction of the thickness of the lid component, a take-out electrode passing through the lid component, provided for taking out an electric power of the power-generating element to the outside of the case, and disposed at a position different from that of the terminal electrode within a plane including the lid component, and a connecting member connecting the terminal electrode and the take-out electrode and including a thinner portion allowing bending of the connecting member in response to an external force applied to the terminal electrode in the direction of the thickness of the lid component.Type: GrantFiled: August 30, 2011Date of Patent: August 1, 2017Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takashi Harayama