Patents by Inventor Masahiro Oishi

Masahiro Oishi 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: 20220278409
    Abstract: In an embodiment an assembly includes at least one surface mounted device (SMD) component, a metallic wiring configured to lead current from the at least one SMD component to an external circuit and at least one protection element is configured to cover all outer surface of the at least one SMD component and at least parts of the metallic wiring, wherein the assembly has a structure of a molded module, and wherein the at least one SMD component includes a rechargeable all solid-state battery.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 1, 2022
    Inventors: Yongli Wang, Qirong Li, Masahiro Oishi, Axel Pecina
  • Patent number: 11374261
    Abstract: An electrochemical device has a laminated body including: a positive electrode; a negative electrode; and a solid electrolyte sandwiched between the positive electrode and the negative electrode, wherein the laminated body contains water, a content of the water contained in the laminated body is 0.001 mass % or more and less than 0.3 mass % with respect to the laminated body, a part of the water is a bound water bonding with a constituent of the laminated body, and a ratio of the bound water in the water is 50% or more and 90% or less.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: June 28, 2022
    Assignee: TDK CORPORATION
    Inventors: Masahiro Oishi, Hisaji Oyake, Hiroshi Sato, Hiroko Takayanagi, Gakuho Isomichi
  • Patent number: 11349146
    Abstract: An all-solid lithium ion secondary battery has a pair of electrode layers and a solid electrolyte layer between the pair of electrode layers. In the all-solid lithium ion secondary battery, at least one electrode of the pair of electrodes has an active material layer and an intermediate layer on the surface of the active material layer on the side of the solid electrolyte layer, and each of the solid electrolyte layer, the intermediate layer, and the active material layer includes a compound containing Li and two or more shared types of metal elements other than Li, the two or more shared types of metal elements in the solid electrolyte layer, the intermediate layer, and the active material layer are identical between the solid electrolyte layer, the intermediate layer, and the active material layer.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: May 31, 2022
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sato, Masahiro Oishi, Takeo Tsukada, Gakuho Isomichi, Tetsuya Ueno
  • Patent number: 11254573
    Abstract: A lithium ion-conducting solid electrolyte containing at least one metallic element selected from the group made of Zn, Ca, Mg, and Cu within a range of 0.01% by mass to 3.0% by mass, and a solid-state lithium ion rechargeable battery containing this lithium ion-conducting solid electrolyte.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 22, 2022
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sato, Masahiro Oishi, Taisuke Masuko, Tomohiro Yano, Keiko Takeuchi
  • Patent number: 11069898
    Abstract: An all-solid-state secondary battery has a positive electrode collector, a positive electrode active material layer, a negative electrode active material layer, a negative electrode collector, and a solid electrolyte. The solid electrolyte has an interlayer solid electrolyte located between the positive electrode active material layer and the negative electrode active material layer, and the all-solid-state secondary battery further includes a trapping layer that traps a metal of which at least one of the positive electrode collector and the negative electrode collector is formed.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: July 20, 2021
    Assignee: TDK CORPORATION
    Inventors: Taisuke Masuko, Tomohiro Yano, Hiroshi Sato, Masahiro Oishi
  • Patent number: 10879560
    Abstract: An active material according to one aspect of the present invention includes a core region; and a shell region, in which an amount of transition metals in the core region is more than an amount of transition metals in the shell region, and an amount of oxygen deficiency in the shell region is more than an amount of oxygen deficiency in the core region.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 29, 2020
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sato, Masahiro Oishi, Haruna Kato
  • Patent number: 10854917
    Abstract: An active material layer containing a compound represented by a general formula (1): LiaVbAlcTidPeO12 (1), where a, b, c, d, and e in the general formula (1) are numbers satisfying 0.5?a?3.0, 1.20<b?2.00, 0.01?c<0.06, 0.01?d<0.60, and 2.80?e?3.20; and a solid electrolyte layer containing a compound represented by a general formula (2): LifVgAlhTiiPjO12 (2), where f, g, h, i, and j in general formula (2) are numbers satisfying 0.5?f?3.0, 0.01?g<1.00, 0.09<h?0.30, 1.40<i?2.00, and 2.80?j?3.20.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 1, 2020
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sato, Masahiro Oishi, Takeo Tsukada, Gakuho Isomichi, Tetsuya Ueno
  • Publication number: 20200287405
    Abstract: An electrical circuit and a method for using the electrical circuit are disclosed. In an embodiment an electrical circuit includes an energy transducer, an energy storage system, a first terminal and a second terminal, wherein the energy transducer is electrically coupled with the first and second terminals, wherein the energy storage system is electrically coupled with the first and second terminals, wherein the energy transducer is configured to charge the energy storage system at discrete time intervals, wherein the energy storage system is configured to provide energy continuously, wherein the energy transducer includes a solar cell, and wherein the energy storage system includes a solid-state storage battery.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 10, 2020
    Inventors: Franz Rinner, Alexander Melischnig, Johann Pichler, Masahiro Oishi
  • Publication number: 20200235435
    Abstract: An energy storage system is disclosed. In an embodiment, an energy storage system includes a layer stack with a first electrode layer, a second electrode layer and an electrolyte layer between the first and second electrode layers, a first electrode located in the first electrode layer, a second electrode located in the second electrode layer and an electrolyte formed in the electrolyte layer, wherein the electrolyte is a solid.
    Type: Application
    Filed: May 24, 2018
    Publication date: July 23, 2020
    Inventors: Stefan Köstner, Franz Rinner, Stefan Obermair, Masahiro Oishi
  • Publication number: 20200136219
    Abstract: A hybrid power supply circuit, a method using a hybrid power supply circuit and method for producing a hybrid power supply circuit are disclosed. In an embodiment a hybrid power-supply circuit includes a first energy-storage device and a second energy-storage device, wherein the first and second energy-storage devices are combined in a module and electrically interconnected, and wherein the first energy-storage device is a solid-state accumulator.
    Type: Application
    Filed: May 29, 2018
    Publication date: April 30, 2020
    Applicant: TDK Electronics AG
    Inventors: Stefan Koestner, Masahiro Oishi
  • Publication number: 20200083570
    Abstract: A circuit board having a power supply, an electrical device having a circuit board, and a method for producing a circuit board are disclosed. In an embodiment a circuit board includes a power supply, a carrier substrate and an energy store with a first layer stack having a first electrode layer with a first electrode, a second electrode layer with a second electrode, and an electrolyte layer arranged therebetween, which has an electrolyte, wherein the first electrode, the second electrode and the electrolyte are solid states.
    Type: Application
    Filed: May 30, 2018
    Publication date: March 12, 2020
    Inventors: Stefan Koestner, Masahiro Oishi, Franz Rinner
  • Publication number: 20200031670
    Abstract: A lithium ion-conducting solid electrolyte containing at least one metallic element selected from the group made of Zn, Ca, Mg, and Cu within a range of 0.01% by mass to 3.0% by mass, and a solid-state lithium ion rechargeable battery containing this lithium ion-conducting solid electrolyte.
    Type: Application
    Filed: September 25, 2017
    Publication date: January 30, 2020
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Masahiro OISHI, Taisuke MASUKO, Tomohiro YANO, Keiko TAKEUCHI
  • Publication number: 20200014070
    Abstract: An electrochemical device has a laminated body including: a positive electrode; a negative electrode; and a solid electrolyte sandwiched between the positive electrode and the negative electrode, wherein the laminated body contains water, a content of the water contained in the laminated body is 0.001 mass % or more and less than 0.3 mass % with respect to the laminated body, a part of the water is a bound water bonding with a constituent of the laminated body, and a ratio of the bound water in the water is 50% or more and 90% or less.
    Type: Application
    Filed: August 4, 2017
    Publication date: January 9, 2020
    Applicant: TDK CORPORATION
    Inventors: Masahiro OISHI, Hisaji OYAKE, Hiroshi SATO, Hiroko TAKAYANAGI, Gakuho ISOMICHI
  • Patent number: 10472250
    Abstract: A piezoelectric layer made of potassium sodium niobate which is a perovskite type compound represented by the formula ABO3, wherein, in the Raman spectroscopy measurement of the piezoelectric layer which is performed while the piezoelectric layer is rotated in the in-plane direction, the measured intensity of the lattice vibration region of the perovskite type compound in the Raman spectrum obtained in polarized Raman spectroscopy measurement (yx) has a periodicity of approximately 90°, wherein, the polarized Raman spectroscopy measurement (yx) is performed while the piezoelectric layer is rotated in the in-plane direction and Raman scattering light is polarized in a direction perpendicular to that of the incident light.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: November 12, 2019
    Assignee: TDK CORPORATION
    Inventors: Masahiro Oishi, Atsuo Matsutani, Ryu Ohta
  • Publication number: 20190341621
    Abstract: An all-solid-state secondary battery has a positive electrode collector, a positive electrode active material layer, a negative electrode active material layer, a negative electrode collector, and a solid electrolyte. The solid electrolyte has an interlayer solid electrolyte located between the positive electrode active material layer and the negative electrode active material layer, and the all-solid-state secondary battery further includes a trapping layer that traps a metal of which at least one of the positive electrode collector and the negative electrode collector is formed.
    Type: Application
    Filed: March 27, 2018
    Publication date: November 7, 2019
    Applicant: TDK CORPORATION
    Inventors: Taisuke MASUKO, Tomohiro YANO, Hiroshi SATO, Masahiro OISHI
  • Publication number: 20190305306
    Abstract: An all-solid lithium ion secondary battery includes a pair of electrodes and a solid electrolyte provided between the pair of electrodes. At least one of the pair of electrodes includes an active-material layer and an intermediate layer. An active material constituting the active-material layer has a core-shell structure which has a core region and a shell region and a composition of the intermediate layer is intermediate between the solid electrolyte and the shell region.
    Type: Application
    Filed: September 25, 2017
    Publication date: October 3, 2019
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Masahiro OISHI, Haruna KATO, Taisuke MASUKO, Tomohiro YANO
  • Publication number: 20190280327
    Abstract: An all-solid lithium ion secondary battery has a pair of electrode layers and a solid electrolyte layer between the pair of electrode layers. In the all-solid lithium ion secondary battery, at least one electrode of the pair of electrodes has an active material layer and an intermediate layer on the surface of the active material layer on the side of the solid electrolyte layer, and each of the solid electrolyte layer, the intermediate layer, and the active material layer includes a compound containing Li and two or more shared types of metal elements other than Li, the two or more shared types of metal elements in the solid electrolyte layer, the intermediate layer, and the active material layer are identical between the solid electrolyte layer, the intermediate layer, and the active material layer.
    Type: Application
    Filed: September 25, 2017
    Publication date: September 12, 2019
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Masahiro OISHI, Takeo TSUKADA, Gakuho ISOMICHI, Tetsuya UENO
  • Patent number: 10395822
    Abstract: A rare-earth magnet is an R-T-B-based rare-earth magnet containing a rare-earth element R, a transition metal element T, and boron B. The rare-earth magnet further contains Cu and Co, while having a Cu concentration distribution with a gradient along a direction from a surface of the rare-earth magnet to the inside thereof, Cu having a higher concentration on the surface side of the rare-earth magnet than on the inside thereof, and a Co concentration distribution with a gradient along a direction from the surface of the rare-earth magnet to the inside thereof, Co having a higher concentration on the surface side of the rare-earth magnet than on the inside thereof. The rare-earth magnet is excellent in corrosion resistance.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: August 27, 2019
    Assignee: TDK CORPORATION
    Inventors: Masashi Miwa, Yasuyuki Kawanaka, Masahiro Oishi
  • Publication number: 20190252720
    Abstract: An active material layer containing a compound represented by a general formula (1): LiaVbAlcTidPeO12 (1), where a, b, c, d, and e in the general formula (1) are numbers satisfying 0.5?a?3.0, 1.20<b?2.00, 0.01?c<0.06, 0.01?d<0.60, and 2.80?e?3.20; and a solid electrolyte layer containing a compound represented by a general formula (2): LifVgAlhTiiPjO12 (2), where f, g, h, i, and j in general formula (2) are numbers satisfying 0.5?f?3.0, 0.01?g<1.00, 0.09<h?0.30, 1.40<i?2.00, and 2.80?j?3.20.
    Type: Application
    Filed: September 25, 2017
    Publication date: August 15, 2019
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Masahiro OISHI, Takeo TSUKADA, Gakuho ISOMICHI, Tetsuya UENO
  • Publication number: 20190207254
    Abstract: An active material according to one aspect of the present invention includes a core region; and a shell region, in which an amount of transition metals in the core region is more than an amount of transition metals in the shell region, and an amount of oxygen deficiency in the shell region is more than an amount of oxygen deficiency in the core region.
    Type: Application
    Filed: September 25, 2017
    Publication date: July 4, 2019
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Masahiro OISHI, Haruna KATO