Patents by Inventor Tatsuya Hashimoto

Tatsuya Hashimoto 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).

  • Patent number: 10461310
    Abstract: A manufacturing method for a non-aqueous electrolyte secondary battery includes: forming a powder; forming a sheet-like green compact; and forming a heat-resistant layer. The powder contains composite particles and a solvent. The composite particles contain inorganic filler particles and a binder. The green compact is formed by pressing the powder in a state in which the solvent remains. The heat-resistant layer is formed by disposing the green compact on a surface of at least any of a positive electrode mixture layer and a negative electrode mixture layer after the green compact is formed.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: October 29, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Yusuke Fukumoto, Naoyuki Wada, Yuji Yokoyama, Tatsuya Hashimoto, Naoto Onodera
  • Patent number: 10461369
    Abstract: According to one embodiment, a battery includes a flat-shaped electrode group, a package member and a terminal section. The package member includes a stainless steel-made first package having a flange at an opening and a stainless steel-made second package. The electrode group is stored in a space formed by welding the flange of the first package to the second package. The terminal section includes a through-hole that is open to the first package, a ring-shaped rising portion that extends from a periphery of the through-hole toward an inside of the package member, a ring-shaped member that is arranged on an outer surface of the rising portion, an insulation gasket, and an external terminal. The external terminal is fixed to the first package by caulking.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 29, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Nobuyasu Negishi, Tatsuya Hashimoto, Koichi Kawamura, Tatsuya Shinoda, Naoki Iwamura, Koichi Takeshita, Hirokiyo Mamyoda
  • Patent number: 10454098
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution at least held by the separator. The positive electrode has a positive electrode collector and a positive electrode mixture layer provided on the positive electrode collector. The positive electrode mixture layer has a first powder and a second powder. The first powder includes a first positive electrode active material, a first conductive material, and an organic-based binder. The second powder includes a second positive electrode active material, a second conductive material, and a water-based binder.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: October 22, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Tatsuya Hashimoto, Keisuke Ohara, Yusuke Fukumoto, Yuji Yokoyama
  • Patent number: 10446438
    Abstract: A method of manufacturing a semiconductor device by performing a process on a substrate includes: forming a protective layer made of a polymer having a urea bond by supplying a raw material for polymerization to a surface of a substrate on which a protected film to be protected is formed; forming a sealing film at a first temperature lower than a second temperature at which the polymer is depolymerized so cover a portion where the protective layer is exposed; subsequently, subjecting the substrate to a treatment at a third temperature equal to or higher than the second temperature at which the polymer as the protective layer is depolymerized; subsequently, performing a treatment which causes damage to the protected film when the protective layer is not present; and after the performing a treatment which causes damage to the protected film, depolymerizing the polymer by heating the substrate.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: October 15, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tatsuya Yamaguchi, Reiji Niino, Hiroyuki Hashimoto, Syuji Nozawa, Makoto Fujikawa
  • Patent number: 10431814
    Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode composite material layer, the positive electrode composite material layer including: a composite particle including a positive electrode active material, a first conductive material and a binder; and a second conductive material arranged on a surface of the composite particle and having a DBP oil absorption number smaller than that of the first conductive material.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 1, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Akihiro Taniguchi, Shuji Tsutsumi, Tatsuya Hashimoto
  • Publication number: 20190296551
    Abstract: A reactive power control device includes a limit value deriver configured to derive a limit value of reactive power, which is output by one or a plurality of power conversion devices determined for system stabilization and control of a system voltage, on the basis of a voltage of a point other than a voltage control target, and a command value adjuster configured to adjust a reactive power command value for the one or plurality of power conversion devices on the basis of the limit value derived by the limit value deriver.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 26, 2019
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shunsuke KAWACHI, Mami Mizutani, Tsutomu Tanno, Tatsuya Hashimoto
  • Patent number: 10418612
    Abstract: A secondary battery according to one embodiment includes, an electrode group which is a cathode and an anode wound with a separator being interposed therebetween, a first lead having a first welding surface, a second lead having a second welding surface which is bent with respect to a winding axial direction of the electrode group, a first current collecting tab which is extended from one end of the electrode group on the winding axial direction, and welded onto the first welding surface of the first lead, a second current collecting tab which is extended from the other end of the electrode group on the winding axial direction, and welded onto the second welding surface of the second lead, a first terminal connected to the first lead, and a second terminal connected to the second lead.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: September 17, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Tatsuya Hashimoto, Koichi Kawamura, Nobuyasu Negishi, Koichi Takeshita, Yasuaki Murashi
  • Patent number: 10396346
    Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery, the method includes mixing negative electrode active material particles and ferroelectric particles with each other to form first composite particles in which the ferroelectric particles are attached to the negative electrode active material particles; mixing the first composite particles and a binder with each other to form granulated particles; applying pressure to an aggregate of the granulated particles to form a sheet-shaped negative electrode mixture layer; and arranging the negative electrode mixture layer on a main surface of a negative electrode current collector foil.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: August 27, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Kinoshita, Hiroshi Nagase, Tatsuya Hashimoto
  • Patent number: 10374224
    Abstract: A method of manufacturing a non-aqueous electrolyte solution secondary battery includes: (A) preparing a first composite material by mixing a first positive electrode active material, a first conductive material and a first binder; (B) preparing a second composite material by mixing a second positive electrode active material, a second conductive material and a second binder; and (C) manufacturing a positive electrode by forming a positive electrode composite layer including the first composite material and the second composite material. The first positive electrode active material has an average discharge potential lower than that of the second positive electrode active material. The first conductive material has a first OAN. The second conductive material has a second OAN. A ratio of the second OAN to the first OAN is 1.3 or more and 2.1 or less. A sum of the first OAN and the second OAN is 31.64 ml/100 g or less.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: August 6, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Torita, Tatsuya Hashimoto, Keiichi Takahashi, Akihiro Taniguchi, Shuji Tsutsumi, Yusuke Fukumoto, Yuji Yokoyama
  • Patent number: 10361424
    Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery, the method includes mixing negative electrode active material particles and ferroelectric particles with each other to form first composite particles in which the ferroelectric particles are attached to the negative electrode active material particles; mixing the first composite particles and a binder with each other to form granulated particles; applying pressure to an aggregate of the granulated particles to form a sheet-shaped negative electrode mixture layer; and arranging the negative electrode mixture layer on a main surface of a negative electrode current collector foil.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: July 23, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Kinoshita, Hiroshi Nagase, Tatsuya Hashimoto
  • Patent number: 10320002
    Abstract: A method for manufacturing an electrode sheet includes the steps of forming a granulated material containing a plurality of granules; forming an electrode mixture layer by molding the granulated material into a sheet; and placing the electrode mixture layer on electrode current collector foil. The step of forming the granulated material includes the steps of forming a granule containing at least an electrode active material and a binder; and adhering a polyglycerol fatty acid ester to a surface of the granule.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: June 11, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Tatsuya Hashimoto, Yusuke Fukumoto, Naoto Onodera, Koichi Toriyama
  • Patent number: 10312520
    Abstract: According to the invention, a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte is provided. The negative electrode contains a negative electrode active material, a conductive material, and a binder. When an average particle size of the conductive material is referred to as De, and an average particle size of the binder is referred to as Db, Db?De is satisfied. In other words, the average particle size Db of the binder is equal to or smaller than the average particle size De of the conductive material.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: June 4, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Kinoshita, Tatsuya Hashimoto
  • Patent number: 10305109
    Abstract: A nonaqueous electrolyte secondary battery includes: a negative electrode current collector core; and a negative electrode mixture layer that is formed on the negative electrode current collector core. The negative electrode mixture layer contains a diene rubber binder. A section of the negative electrode mixture layer in a thickness direction is divided into a first region, a second region, and a third region from a negative electrode current collector core side by trisecting the negative electrode mixture layer in the thickness direction. An abundance of the diene rubber binder in the second region is greater than an abundance of the diene rubber binder in the first region. The third region contains the diene rubber binder having an oxidized carbon-carbon double bond.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: May 28, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Kaoru Inoue, Tatsuya Hashimoto
  • Publication number: 20190152730
    Abstract: A sheet feeding device includes a sheet stacking table, an air blower, a feeder, and an air sucker. The sheet stacking table stacks a bundle of sheets. The air blower blows air to the bundle of sheets to float an uppermost sheet from the bundle of sheets. The feeder feeds the uppermost sheet. The air sucker sucks air in such a direction that a sheet in vicinity of the uppermost sheet moves away from the feeder. The air sucker includes a suction nozzle to suck air, a suction fan to generate a negative pressure, a suction duct to communicate the suction nozzle with the suction fan, and an opening-and-closing mechanism to shut off and release ventilation in the suction duct.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Masato HASHIMOTO, Tatsuya SUGAWARA, Hideaki TAKAHASHI
  • Publication number: 20190152837
    Abstract: A glass tube for sealing a metal includes a glass that contains, in terms of mass %, 50% or more of SiO2+B2O3, 0% to 10% of Al2O3, 3% to 20% of RO (R is an alkali-earth metal), and 11% to 22% of R?2O (R? is an alkali metal), and that has 10 ?l/g or less of an amount of CO2 emitted when heated from a room temperature to 1100° C.
    Type: Application
    Filed: April 13, 2017
    Publication date: May 23, 2019
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Tatsuya GOTO, Kakumi SHIRAISHI, Kiyoyuki OKUNAGA, Koichi HASHIMOTO
  • Patent number: 10297814
    Abstract: A positive electrode includes first positive electrode active material particles and second positive electrode active material particles. The first positive electrode active material particles include 0.1% by mass or more and 1% by mass or less of lithium carbonate and a first lithium transition metal oxide as a remainder. The first lithium transition metal oxide is represented by LiM1(1-z1)Mnz1O2 (0.05?z1?0.20). The second positive electrode active material particles include 0.01% by mass or more and 0.05% by mass or less of lithium carbonate and a second lithium transition metal oxide as a remainder. The second lithium transition metal oxide is represented by LiM2(1-z2)Mnz2O2 (0.40?z2?0.60). An electrolytic solution includes 1% by mass or more and 5% by mass or less of an overcharging additive and a solvent and a lithium salt as a remainder.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 21, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi Tsubouchi, Motoshi Isono, Masaki Kato, Naoyuki Wada, Keiichi Takahashi, Yukihiro Okada, Tatsuya Hashimoto
  • Patent number: 10265222
    Abstract: A wearing article includes a front waist panel, a rear waist panel and a crotch panel having an absorbent structure wherein respective inner end edges of the front and rear waist panels cooperate with both side edges of the crotch panel extending in a longitudinal direction to define peripheries of a pair of leg-openings. The crotch panel is provided with a pair of elasticized leg sheets joined to both side edges of the absorbent structure and extending in a longitudinal direction. Each of the elasticized leg sheets having a non-elasticized region adjacent to the absorbent structure and an elasticized region adjacent to the non-elasticized region so that the non-elasticized region rises along the associated side edge of the absorbent structure to the associated leg-opening and the elasticized region extends outward in a transverse direction of the wearing article so as to form the associated leg-opening.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: April 23, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Tetsuo Okubo, Tatsuya Hashimoto
  • Patent number: 10249878
    Abstract: A positive electrode and a negative electrode are stacked so as to face each other with a separator and a low spring constant film interposed therebetween. The positive electrode or the negative electrode has a first spring constant that is the lowest spring constant of the positive electrode, the negative electrode and the separator. The low spring constant film has a second spring constant. The second spring constant is lower than the first spring constant.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: April 2, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Torita, Hideaki Fujita, Kaoru Inoue, Tatsuya Hashimoto
  • Patent number: 10243196
    Abstract: A positive electrode mixture layer (12) includes a first layer (12a) that has a main surface MS and a second layer (12b) formed closer to the positive electrode current collector (11) side than the first layer (12a). A ratio of the volume of the first layer (12a) to the volume of the positive electrode mixture layer (12) is 20 to 75 vol %. The first layer (12a) contains lithium iron phosphate (LFP) (1) and lithium nickel cobalt manganese composite oxide (NCM) (2). A ratio of the mass of the LFP (1) to the total mass of the LFP (1) and the NCM (2) in the first layer (12a) is more than 0 and 80 mass % or less. The second layer (12b) contains NCM (2). A ratio of the mass of the LFP (1) to the total mass of the positive electrode active material in the positive electrode mixture layer (12) is 7.5 to 20 mass %. A maximum pore size of the first layer (12a) is 0.50 to 0.70 ?m.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: March 26, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyuki Saka, Keiichi Takahashi, Hideaki Fujita, Tatsuya Hashimoto
  • Patent number: 10166154
    Abstract: A shaped non-woven fabric for an absorbent has a first surface and a second surface and is usable with the second surface facing a constituent member of an absorbent article. The shaped non-woven fabric is includes a thermoplastic resin fiber. The non-woven fabric includes a plurality of first recesses which have openings in the first surface and are recessed toward the second surface, and a plurality of through-holes which penetrate from the first surface to the second surface. Each of the plurality of first recesses has a peripheral wall section which extends in the thickness direction from the end edges of the openings toward the second surface, and a bottom section connected to the end edge of the peripheral wall section. At least a portion of the plurality of first recesses includes a hole section which penetrates from the first surface to the second surface.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: January 1, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Tatsuya Hashimoto, Tetsuo Okubo, Huanhuan Chen