Patents by Inventor Kenta Kimura

Kenta Kimura 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).

  • Publication number: 20250007100
    Abstract: A secondary battery includes an electrode assembly, a tubular member, a pair of sealing bodies, a first external terminal, a second external terminal, and a spacer disposed inside the tubular member, wherein the electrode assembly has a first end portion located on one side in a direction parallel to the cylindrical axis direction and a second end portion located on the other side in the parallel direction, and the first end portion is provided with one or more first current collector tabs electrically connected to the first external terminal, and the second end portion is provided with one or more second current collector tabs electrically connected to the second external terminal, and the spacer includes a first member provided between the one sealer and the first end portion, and a second member provided between the other sealer and the second end portion.
    Type: Application
    Filed: May 31, 2024
    Publication date: January 2, 2025
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro ISHIZUKA, Kosuke SUZUKI, Hideto MORI, Mitsuru TATEISHI, Shinya ISHIKAWA, Mari TARUTANI, Kenta KIMURA
  • Publication number: 20240429569
    Abstract: A secondary battery includes: an electrode assembly including a first end portion where one or more negative electrode tabs are formed, and a second end portion where one or more positive electrode tabs are formed; a housing containing the electrode assembly; and a negative electrode terminal and a positive electrode terminal provided on the housing, the housing includes a main body, a first sealing body, and a second sealing body, the negative electrode terminal is provided on the first sealing body, the positive electrode terminal is provided on the second sealing body, the one or more negative electrode tabs are electrically connected to the negative electrode terminal, the one or more positive electrode tabs are electrically connected to the positive electrode terminal, and one of the one or more negative electrode tabs and the one or more positive electrode tabs is larger in length than the other.
    Type: Application
    Filed: June 4, 2024
    Publication date: December 26, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro ISHIZUKA, Kosuke SUZUKI, Hideto MORI, Mitsuru TATEISHI, Shinya ISHIKAWA, Mari TARUTANI, Kenta KIMURA
  • Publication number: 20240421341
    Abstract: A power storage cell comprises a cell case and a wound electrode assembly. The wound electrode assembly includes a first electrode, a separator, a second electrode, and a fixing member. In a winding direction of the wound electrode assembly, the first electrode has a first end portion. The second electrode has a second end portion. The separator has a third end portion. In the winding direction, the second end portion is positioned within a region spanning from the first end portion to the third end portion. The first end portion consists of the first foil. The second end portion consists of the second foil. The fixing member fixes the wound electrode assembly at the third end portion. The expression “0.9×T2?Tf?1.1×(T1+T2)” is satisfied. T1 represents a thickness of the first foil. T2 represents a thickness of the second foil. Tf represents a maximum thickness of the fixing member.
    Type: Application
    Filed: April 16, 2024
    Publication date: December 19, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi Abe, Ryuta Sugiura, Tomoyuki Uezono, Takenori Ikeda, Yuki Takahashi, Kenta Kimura
  • Publication number: 20240417648
    Abstract: A processing solution for a semiconductor device including a fluorine-containing compound, water, a cyclic ether compound, and a water-soluble organic solvent that is not the cyclic ether compound; a method for processing a substrate; and a method for manufacturing a semiconductor device.
    Type: Application
    Filed: May 31, 2024
    Publication date: December 19, 2024
    Inventor: Kenta Kimura
  • Publication number: 20240405256
    Abstract: A lithium metal secondary battery comprises a power generation element and an electrolyte. The power generation element includes a positive electrode and a negative electrode. The negative electrode includes a base material and raised portions. The base material is electrically conductive. The raised portions are electrically insulating. Depressed portions are formed on a surface of the base material. The raised portions are provided on a surface of the base material. The raised portions protrude outwardly from the surface of the base material. A relationship of the expression “0.001?d/h?10” is satisfied. d represents a depth of the depressed portions. h represents a height of the raised portions.
    Type: Application
    Filed: May 24, 2024
    Publication date: December 5, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryuta SUGIURA, Tomoyuki UEZONO, Takenori IKEDA, Takeshi ABE, Yuki TAKAHASHI, Kenta KIMURA
  • Publication number: 20240396130
    Abstract: A secondary battery includes: an electrode assembly including a stack of a plurality of positive electrodes and a plurality of negative electrodes with a separator in between, each of the plurality of positive electrodes including a positive-electrode current collecting foil, each of the plurality of negative electrodes including a negative-electrode current collecting foil; and an exterior package that accommodates part of the electrode assembly. The electrode assembly includes a positive-electrode current collecting bundle including a bundle of respective parts of a plurality of the positive-electrode current collecting foils, and a negative-electrode current collecting bundle including a bundle of respective parts of a plurality of the negative-electrode current collecting foils, and part of at least one collecting bundle of the positive-electrode current collecting bundle and the negative-electrode current collecting bundle extends to outside of the exterior package.
    Type: Application
    Filed: March 25, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro ISHIZUKA, Kosuke SUZUKI, Hideto MORI, Mitsuru TATEISHI, Shinya ISHIKAWA, Mari TARUTANI, Kenta KIMURA
  • Publication number: 20240396187
    Abstract: A secondary battery includes an electrode assembly, a housing that houses the electrode assembly, a positive electrode terminal, and a negative electrode terminal. The housing includes a main body with a first opening and a second opening respectively provided on opposite sides in a long-side direction, a first sealing body that closes the first opening, and a second sealing body that closes the second opening. The main body includes a pair of long-side surfaces and a pair of short-side surfaces facing each other in a short-side direction orthogonal to the long-side direction. The electrode assembly includes a negative electrode current collecting portion located on a first end side in the long-side direction, and a positive electrode current collecting portion located on a second end side in the long-side direction. One short-side surface of the pair of short-side surfaces is provided with a single pressure release valve.
    Type: Application
    Filed: April 11, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro ISHIZUKA, Kosuke SUZUKI, Hideto MORI, Mitsuru TATEISHI, Shinya ISHIKAWA, Mari TARUTANI, Kenta KIMURA, Masato ONO
  • Publication number: 20240396189
    Abstract: A secondary battery includes an electrode assembly, a housing, and a positive electrode terminal and a negative electrode terminal provided to the housing. The housing includes a main body with a first opening and a second opening respectively provided on opposite sides in a long-side direction of the housing, a first sealing body that closes the first opening, and a second sealing body that closes the second opening. The main body includes a pair of long-side surfaces and a pair of short-side surfaces facing each other in a short-side direction of the housing orthogonal to the long-side direction. The electrode assembly includes a negative electrode current collecting portion located on a first end side in the long-side direction, and a positive electrode current collecting portion located on a second end side in the long-side direction. One short-side surface of the pair of short-side surfaces is provided with an injection port.
    Type: Application
    Filed: April 9, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro ISHIZUKA, Kosuke Suzuki, Hideto Mori, Mitsuru Tateishi, Shinya Ishikawa, Mari Tarutani, Kenta Kimura, Masato Ono
  • Publication number: 20240396172
    Abstract: A power storage cell includes an electrode assembly constructed as a wound body in which a positive electrode sheet and a negative electrode sheet are wound with a separator interposed therebetween. The separator includes a separator layer, and an adhesion layer provided on at least one of an inner surface and an outer surface of the separator layer in a radial direction of the electrode assembly. A termination end portion of the electrode assembly is affixed via the adhesion layer to a portion included in the electrode assembly and positioned inside the termination end portion in the radial direction.
    Type: Application
    Filed: April 11, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi ABE, Ryuta SUGIURA, Tomoyuki UEZONO, Takenori IKEDA, Yuki TAKAHASHI, Kenta KIMURA
  • Publication number: 20240396072
    Abstract: An energy storage cell includes an electrode assembly, a cell case housing the electrode assembly, and an electrolyte solution contained in the cell case. The electrode assembly includes a wound assembly obtained by winding a positive electrode sheet and a negative electrode sheet with a separator therebetween, a first tape attached to one end in an axial direction of the wound assembly, and a second tape attached to the other end in the axial direction of the wound assembly. A force of fixing the wound assembly by the first tape is smaller than a force of fixing the wound assembly by the second tape.
    Type: Application
    Filed: February 8, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takenori Ikeda, Tomoyuki Uezono, Ryuta Sugiura, Takeshi Abe, Yuki Takahashi, Kenta Kimura
  • Publication number: 20240396050
    Abstract: A power storage cell includes an electrode assembly constructed as a wound body in which a positive electrode sheet and a negative electrode sheet are wound with a separator interposed therebetween, a current collector plate, a cell case, and an electrolyte solution. Each of the positive electrode sheet and the negative electrode sheet includes a current collector foil, and an active material layer. The current collector foil includes a main region where the active material layer is provided, and an end region where the active material layer is not provided. A plurality of tabs in the end region are arranged so that a cover region and an exposure region are formed, the cover region covering part of a layer end portion, the exposure region causing the remainder of the layer end portion to be exposed. The current collector plate is connected to the cover region.
    Type: Application
    Filed: April 17, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi ABE, Tomoyuki UEZONO, Ryuta SUGIURA, Takenori IKEDA, Yuki TAKAHAshi, Kenta KIMURA
  • Publication number: 20240396074
    Abstract: A power storage cell includes: an electrode assembly that includes a positive electrode sheet, a negative electrode sheet, and a separator, and is constructed as a wound body in which the positive electrode sheet and the negative electrode sheet are wound with the separator interposed therebetween; and a cell case that houses the electrode assembly. The cell case includes a cylindrical portion that surrounds an outer circumferential surface of the electrode assembly. The electrode assembly includes a pair of end regions including an end portion of the electrode assembly in an axial direction of the electrode assembly, and an intermediate region lying between the pair of end regions in the axial direction. A diameter of the intermediate region is larger than a diameter of the end region.
    Type: Application
    Filed: April 16, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takenori IKEDA, Tomoyuki UEZONO, Ryuta SUGIURA, Takeshi ABE, Yuki TAKAHASHI, Kenta KIMURA
  • Publication number: 20240396093
    Abstract: The power storage cell includes a cell case, a wound electrode body, a fixing member, and an electrolytic solution. The cell case houses a wound electrode body, a fixing member, and an electrolytic solution. The wound electrode body is formed by winding an electrode and a separator. The fixing member fixes a winding end of the wound electrode body in the winding direction. The fixing member includes an adhesive component. The adhesive component is soluble in the electrolytic solution.
    Type: Application
    Filed: February 16, 2024
    Publication date: November 28, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi ABE, Ryuta Sugiura, Tomoyuki Uezono, Takenori Ikeda, Yuki Takahashi, Kenta Kimura
  • Publication number: 20240380009
    Abstract: The wound electrode assembly of the power storage cell includes a strip electrode. The strip electrode includes a current collector and a composite material layer. The composite material layer includes active material particles and is disposed on the surface of the current collector. In the width direction in plan view, the strip electrode includes a first region, a second region and a third region. The first region is disposed at an end portion in the width direction. In the first region, the current collector is exposed, and the current collector is electrically connected to the electrode terminal. The second region and the third region are covered by the composite material layer. In the width direction, the second region is disposed between the first region and the third region. Reaction resistance per unit area of the second region is larger than that of the third region.
    Type: Application
    Filed: January 25, 2024
    Publication date: November 14, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi ABE, Ryuta SUGIURA, Tomoyuki UEZONO, Takenori IKEDA, Yuki TAKAHASHI, Kenta KIMURA
  • Publication number: 20240279569
    Abstract: An aqueous cleaning liquid containing hydrofluoric acid, at least one kind of triazole compound selected from the group consisting of triazole and a triazole derivative, and a nonionic surfactant.
    Type: Application
    Filed: February 6, 2024
    Publication date: August 22, 2024
    Inventors: Takumi NAMIKI, Shinji KUMADA, Eita SUGA, Kenta KIMURA, Jun KONDO
  • Publication number: 20240247698
    Abstract: The present invention relates to an underlayer material to be used in a friction member, the underlayer material including a plant-derived resin, in which the friction member includes a friction material and a pressure plate, and the friction material includes a friction modifier, a binder, and a fiber base material. The plant-derived resin may be a lignin-modified phenol resin.
    Type: Application
    Filed: July 25, 2022
    Publication date: July 25, 2024
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Kentaro OWA, Motoyuki MIYAJI, Hiroshi YAMAMOTO, Yuta WATANABE, Kenta KIMURA
  • Publication number: 20240191116
    Abstract: A friction material including: a friction modifier: a binder: and a fiber base material, in which an alumina fiber is contained as the fiber base material, and a content of the alumina fiber is 0.1 mass % to 1.0 mass. The alumina fiber preferably includes Al2O3 and SiO2, and a chemical composition ratio of Al2O3 and SiO2 is preferably Al2O3:SiO2=70:30 to 80:20.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 13, 2024
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Kenta KIMURA, Motoyuki MIYAJI, Hiroshi YAMAMOTO, Kentaro OWA, Yuta WATANABE
  • Publication number: 20240153656
    Abstract: To provide an electrical penetration capable of being used in nuclear power plants which are designed assuming operation under conditions of the severe accident. An electrical penetration includes: a tubular sleeve member 10; two or more insulating seal members 20A and 20B arranged inside the sleeve member 10 so as to be spaced from each other; wiring members 60, 60 disposed along the longitudinal direction of the sleeve member 10 so as to extend across two insulating seal members of the two or more insulating seal members 20A and 20B; and outer seal members provided inside the sleeve member 10 and at the outermost portions of the two insulating seal members 20A and 20B. The wiring members 60, 60 are each covered with an insulator made of the same material as those of the outer seal members 21A and 21B.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Shingo ITO, Yasuyuki GOTO, Yukiharu SATO, Teppei KUBOTA, Masayuki SHIMIZU, Susumu KUMAGAI, Atsushi WARIGAYA, Masamichi IDONUMA, Kenta KIMURA
  • Patent number: 11946924
    Abstract: A crosslinked fluoropolymer resin is configured to include a measuring step of irradiating a surface of the crosslinked fluoropolymer resin with a laser to measure a Raman spectrum, and an acceptance or rejection decision step of determining an acceptance or a rejection of a quality of a measurement region irradiated with the laser, on the basis of an intensity of a fluorescence spectrum relative to an intensity of a Raman scattering peak, which is ascribed to a CF2 stretching vibration, in the measured Raman spectrum.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: April 2, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Kazufumi Suenaga, Koki Hirano, Kenta Kimura
  • Patent number: 11906046
    Abstract: A shifting mechanism, in which a movable member integrated with an engagement pin will not be rotated by a friction acting between a cam groove and the engagement pin, includes: a shift drum that on which a cam groove is formed; a cam sleeve having an engagement pin inserted into the cam groove; a fork shaft reciprocated between predetermined positions by rotating the shift drum; a support stem extending parallel to a center axis of the cam sleeve; and a projection formed integrally with the cam sleeve to come into contact with the support stem when the cam sleeve is rotated.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: February 20, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Shioiri, Kensei Hata, Kenta Kimura, Hiroaki Ebuchi