Patents by Inventor Takashi Tsuruta

Takashi Tsuruta 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: 20250146136
    Abstract: Provided are a graphite plate including at least one or more through-holes passing through the graphite plate in a direction orthogonal to a basal surface of the graphite plate, a coating layer covering an inner peripheral surface of the at least one through-hole and an entire circumference of the graphite plate, the coating layer including a first metal capable of forming a compound with carbon atoms constituting the graphite plate, a porous second metal covering an entire circumference of the coating layer including a region surrounded by the inner peripheral surface of the at least one through-hole, and a third metal covering an entire circumference of the porous second metal, the graphite plate and the porous second metal being bonded to each other with the coating layer interposed the graphite plate and the porous second metal, and the third metal being bonded to the porous second metal.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: TAKASHI TSURUTA, RYOU KUWABARA, NAOMI NISHIKI
  • Publication number: 20250121960
    Abstract: A heat control structure includes a heat insulator disposed between a housing for accommodating a heat control target mounted on a satellite and the heat control target. The heat insulator is disposed so as to be in contact with the housing and the heat control target, the heat insulator contains at least silica aerogel, and the heat insulator has a thermal resistance of 0.02 (m2·K)/W or more.
    Type: Application
    Filed: December 23, 2024
    Publication date: April 17, 2025
    Inventors: Mengu CHO, Hirokazu MASUI, Kazuma OIKAWA, Ryou KUWABARA, Takashi TSURUTA, Masato MORI
  • Publication number: 20250115376
    Abstract: A heat control structure includes sheet-like or plate-like graphite members, a first holding member holding the graphite members at first ends in a longitudinal direction of the graphite members with basal planes of the graphite members arrayed in parallel and with edge planes orthogonal to the basal planes being exposed, and a second holding member holding the graphite members at second ends opposite to the first ends of the graphite members with the basal planes arrayed in parallel and with the edge planes being exposed. The edge planes exposed at the first ends of the graphite members come into contact with a heat control target to function as heat transfer surfaces through which heat energy is input, and the edge planes exposed at the second ends come into contact with a heat dissipation target to function as heat transfer surfaces through which heat energy is dissipated.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Inventors: Mengu CHO, Hirokazu MASUI, Ryou KUWABARA, Takashi TSURUTA, Kazuma OIKAWA, Masato MORI
  • Patent number: 12195911
    Abstract: A manufacturing method of a heat insulating sheet of the present disclosure includes a composite generating step of impregnating a nonwoven fiber with a basic sol prepared to generate a composite of a hydrogel-nonwoven fiber, the basic sol being prepared by adding carbonate ester to a water glass composition; and a drying step of drying a liquid contained in the composite at a temperature lower than a critical temperature of the liquid and a pressure lower than a critical pressure of the liquid to remove the liquid from the composite. A heat insulating sheet according to the present disclosure includes an aerogel and a nonwoven fiber, and has a compression rate at 0.30 MPa to 5.0 MPa of 40% or less. In an electronic device of the present disclosure, the heat insulating sheet is disposed between an electronic component and a housing. In a battery unit of the present disclosure, the heat insulating sheet is disposed between batteries.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: January 14, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuma Oikawa, Tooru Wada, Shigeki Sakaguchi, Takashi Kubo, Takashi Tsuruta, Shigeaki Sakatani, Daido Komyoji
  • Patent number: 11788227
    Abstract: A thermal insulation sheet is used that includes a fiber, a silica aerogel contained in the fiber, and a fibrous cavity. A method for manufacturing a thermal insulation sheet is used that includes: an impregnation step of impregnating a silica aerosol in a nonwoven fabric substrate containing a fiber that is insoluble in an acidic solution, and a fiber that is soluble in the acidic solution; a gelling step of gelling the silica aerosol; a hydrophobizing step of hydrophobizing the gel; and a drying step of drying the gel. The fiber that is soluble in the acidic solution is dissolved in the hydrophobizing step.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 17, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsuhiro Ooshiro, Takashi Tsuruta
  • Patent number: 11358366
    Abstract: An aerogel structure body includes a composite layer containing fibrous materials and aerogel, the aerogel being held between the fibrous materials, and an aerogel layer having a first surface on at least one surface of the composite layer and formed of the aerogel, in which the aerogel layer having a second surface opposite to the first surface, the second surface including a projection portion projecting from the second surface, and a density of the aerogel in the projection portion is 0.1% to 3.0% higher than a density of the aerogel in the aerogel layer (flat portion) other than the projection portion. Therefore, the aerogel structure body that is excellent in dimensional stability and heat insulating properties and that can be manufactured with high productivity and a method of manufacturing the same are provided.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: June 14, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takashi Tsuruta, Rikako Iwasaki
  • Patent number: 11293583
    Abstract: Heat-insulation materials that can be placed along the lines of heat sources, heat-insulation structures using the same, and processes for producing the same. A heat-insulation material, that includes: fiber sheets that each have fibers and an aerogel and that have different sizes; and at least one covering material that covers the fiber sheets, or at least one elastic material that includes the fiber sheets. The at least one covering material may include a first covering material and a second covering material.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 5, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daido Kohmyohji, Kazuma Oikawa, Takashi Tsuruta, Tooru Wada, Shigeaki Sakatani, Hidenori Miyakawa
  • Publication number: 20210370636
    Abstract: An aerogel structure body includes a composite layer containing fibrous materials and aerogel, the aerogel being held between the fibrous materials, and an aerogel layer having a first surface on at least one surface of the composite layer and formed of the aerogel, in which the aerogel layer having a second surface opposite to the first surface, the second surface including a projection portion projecting from the second surface, and a density of the aerogel in the projection portion is 0.1% to 3.0% higher than a density of the aerogel in the aerogel layer (flat portion) other than the projection portion. Therefore, the aerogel structure body that is excellent in dimensional stability and heat insulating properties and that can be manufactured with high productivity and a method of manufacturing the same are provided.
    Type: Application
    Filed: April 27, 2021
    Publication date: December 2, 2021
    Inventors: TAKASHI TSURUTA, RIKAKO IWASAKI
  • Publication number: 20210131025
    Abstract: A thermal insulation sheet is used that includes a fiber, a silica aerogel contained in the fiber, and a fibrous cavity. A method for manufacturing a thermal insulation sheet is used that includes: an impregnation step of impregnating a silica aerosol in a nonwoven fabric substrate containing a fiber that is insoluble in an acidic solution, and a fiber that is soluble in the acidic solution; a gelling step of gelling the silica aerosol; a hydrophobizing step of hydrophobizing the gel; and a drying step of drying the gel. The fiber that is soluble in the acidic solution is dissolved in the hydrophobizing step.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Inventors: Tatsuhiro OOSHIRO, Takashi TSURUTA
  • Patent number: 10998154
    Abstract: A connection terminal 9 of a cable 8 is fastened to a right area of a terminal block of a relay box 1, using a bolt 26. At this time, a connection terminal 6 of a power supply cable 5 is not connected to a power supply-side terminal 11 or a relay terminal 15, and power is not supplied from a battery to power seats. Then, a tab 30 provided on the connection terminal 6 of the power supply cable 5 is inserted into the relay terminal 15 from an inlet 19, and the connection terminal 6 and the relay terminal 15 are electrically connected to each other temporarily. Thus, operations of the power seats are checked.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: May 4, 2021
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Takashi Tsuruta
  • Patent number: 10920367
    Abstract: A thermal insulation sheet is used that includes a fiber, a silica aerogel contained in the fiber, and a fibrous cavity. A method for manufacturing a thermal insulation sheet is used that includes: an impregnation step of impregnating a silica aerosol in a nonwoven fabric substrate containing a fiber that is insoluble in an acidic solution, and a fiber that is soluble in the acidic solution; a gelling step of gelling the silica aerosol; a hydrophobizing step of hydrophobizing the gel; and a drying step of drying the gel. The fiber that is soluble in the acidic solution is dissolved in the hydrophobizing step.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: February 16, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsuhiro Ooshiro, Takashi Tsuruta
  • Patent number: 10913411
    Abstract: A power relay device is provided that relays power from a power source and supplies the power to an electric component. The power relay device includes a main device body, a terminal cover, and a holding unit. The main device body includes a power source terminal electrically connected to the power source and a load terminal electrically connected to the electric component. The terminal cover includes a connection terminal electrically connectable to a connected subject that is one of the power source terminal and the load terminal. The holding unit selectively sets a temporary holding state in which the connection terminal is electrically disconnected from the connected subject or a final holding state in which the connection terminal is electrically connected to the connected subject.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: February 9, 2021
    Assignees: SUMITOMO WIRING SYSTEMS, LTD., HONDA MOTOR CO., LTD.
    Inventors: Takashi Tsuruta, Kentaro Wakebe
  • Publication number: 20200378058
    Abstract: A manufacturing method of a heat insulating sheet of the present disclosure includes a composite generating step of impregnating a nonwoven fiber with a basic sol prepared to generate a composite of a hydrogel-nonwoven fiber, the basic sol being prepared by adding carbonate ester to a water glass composition; and a drying step of drying a liquid contained in the composite at a temperature lower than a critical temperature of the liquid and a pressure lower than a critical pressure of the liquid to remove the liquid from the composite. A heat insulating sheet according to the present disclosure includes an aerogel and a nonwoven fiber, and has a compression rate at 0.30 MPa to 5.0 MPa of 40% or less. In an electronic device of the present disclosure, the heat insulating sheet is disposed between an electronic component and a housing. In a battery unit of the present disclosure, the heat insulating sheet is disposed between batteries.
    Type: Application
    Filed: May 18, 2020
    Publication date: December 3, 2020
    Inventors: KAZUMA OIKAWA, TOORU WADA, SHIGEKI SAKAGUCHI, TAKASHI KUBO, TAKASHI TSURUTA, SHIGEAKI SAKATANI, DAIDO KOMYOJI
  • Publication number: 20200075278
    Abstract: A connection terminal 9 of a cable 8 is fastened to a right area of a terminal block of a relay box 1, using a bolt 26. At this time, a connection terminal 6 of a power supply cable 5 is not connected to a power supply-side terminal 11 or a relay terminal 15, and power is not supplied from a battery to power seats. Then, a tab 30 provided on the connection terminal 6 of the power supply cable 5 is inserted into the relay terminal 15 from an inlet 19, and the connection terminal 6 and the relay terminal 15 are electrically connected to each other temporarily. Thus, operations of the power seats are checked.
    Type: Application
    Filed: August 22, 2019
    Publication date: March 5, 2020
    Inventor: Takashi Tsuruta
  • Publication number: 20190389408
    Abstract: A power relay device is provided that relays power from a power source and supplies the power to an electric component. The power relay device includes a main device body, a terminal cover, and a holding unit. The main device body includes a power source terminal electrically connected to the power source and a load terminal electrically connected to the electric component. The terminal cover includes a connection terminal electrically connectable to a connected subject that is one of the power source terminal and the load terminal. The holding unit selectively sets a temporary holding state in which the connection terminal is electrically disconnected from the connected subject or a final holding state in which the connection terminal is electrically connected to the connected subject.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 26, 2019
    Applicants: SUMITOMO WIRING SYSTEMS, LTD., HONDA MOTOR CO., LTD.
    Inventors: Takashi TSURUTA, Kentaro WAKEBE
  • Publication number: 20190308770
    Abstract: A cargo handling pallet includes: a cargo placement surface, and a ground contact surface parallel with the placement surface and in contact with a pallet supporting surface. At least one of four edges of the placement surface is formed as an eaves edge over the entire length or a part of the length. A recess is defined below the eaves edge such that the pallet supporting surface is exposed by the recess, and a distal end of a fork can be inserted into the recess. The eaves edge has a sliding contact portion that is brought into sliding contact with an upper surface of the distal end of the fork. The depth of the recess is set longer than the fork insertion length for a case where the upper surface of the distal end of the fork is first brought into contact with the sliding contact portion.
    Type: Application
    Filed: May 31, 2017
    Publication date: October 10, 2019
    Applicant: Advanced Logi-Tech Japan Co., Ltd.
    Inventor: Takashi TSURUTA
  • Publication number: 20190071818
    Abstract: A thermal insulation sheet is used that includes a fiber, a silica aerogel contained in the fiber, and a fibrous cavity. A method for manufacturing a thermal insulation sheet is used that includes: an impregnation step of impregnating a silica aerosol in a nonwoven fabric substrate containing a fiber that is insoluble in an acidic solution, and a fiber that is soluble in the acidic solution; a gelling step of gelling the silica aerosol; a hydrophobizing step of hydrophobizing the gel; and a drying step of drying the gel. The fiber that is soluble in the acidic solution is dissolved in the hydrophobizing step.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 7, 2019
    Inventors: TATSUHIRO OOSHIRO, TAKASHI TSURUTA
  • Publication number: 20180245731
    Abstract: Heat-insulation materials that can be placed along the lines of heat sources, heat-insulation structures using the same, and processes for producing the same. A heat-insulation material, that includes: fiber sheets that each have fibers and an aerogel and that have different sizes; and at least one covering material that covers the fiber sheets, or at least one elastic material that includes the fiber sheets. The at least one covering material may include a first covering material and a second covering material.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 30, 2018
    Inventors: DAIDO KOHMYOHJI, KAZUMA OIKAWA, TAKASHI TSURUTA, TOORU WADA, SHIGEAKI SAKATANI, HIDENORI MIYAKAWA
  • Patent number: 9694382
    Abstract: A manufacturing apparatus of a coating film product rolls a mixture coating material by a first roll and transfers the mixture coating material to a coated object in motion to thereby manufacture the coating film product. An arithmetic average roughness Ra on a roll surface of the first roll is higher than a value 0.05 times of a particle size “d10” in which an integrated distribution of particle sizes of particles included in the mixture coating material is 10% and lower than a value 20 times a particle size “d90” in which an integrated distribution is 90%.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: July 4, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Masashi Hamabe, Takao Kuromiya, Takashi Tsuruta, Masateru Mikami
  • Publication number: 20150362634
    Abstract: First protrusions (321) and second protrusions (322) surrounding the first protrusions (321) are formed on the surface of an optical member (1). The first and second protrusions (321, 322) are sized for a wavelength with antireflection and have different heights or pitches.
    Type: Application
    Filed: December 10, 2013
    Publication date: December 17, 2015
    Inventors: Teppei IWASE, Tosihiko WADA, Takashi TSURUTA, Yuta MORIYAMA