Patents by Inventor Satoshi Shibutani

Satoshi Shibutani 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: 20210218013
    Abstract: This positive electrode includes a current collector, an intermediate layer which is formed at least on one surface of the current collector, and a composite material layer which is formed on the intermediate layer. The intermediate layer includes metal compound particles, a conductive material, and a binding material. The metal compound particles comprise at least one selected from a sulfated oxide, hydroxide, or oxide of alkali earth metal or alkali metal.
    Type: Application
    Filed: July 25, 2019
    Publication date: July 15, 2021
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Satoshi Shibutani, Yuki Tokuda
  • Patent number: 10147969
    Abstract: An electrolytic: solution for electrochemical devices includes: a salt consisting of a bifluoride anion and a cation; a compound containing boron; and an organic solvent.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: December 4, 2018
    Assignees: PANASONIC CORPORATION, KYOTO UNIVERSITY
    Inventors: Satoshi Shibutani, Takeshi Abe, Zempachi Ogumi
  • Publication number: 20170104237
    Abstract: An electrolytic: solution for electrochemical devices includes: a salt consisting of a bifluoride anion and a cation.; a compound containing boron; and an organic solvent.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Inventors: Satoshi SHIBUTANI, Takeshi ABE, Zempachi OGUMI
  • Patent number: 9340865
    Abstract: A conveyance system 50A of a film-forming apparatus 20A includes a blowing roller 6 having a function of supplying a cooling gas toward a substrate 21. The blowing roller has the first shell 11 and the internal block 12. The first shell 11 has a plurality of first through holes 13 as a gas supply channel, and is rotatable in synchronization with the substrate 21. The internal block 12 is disposed inside the first shell 11. A manifold 14 is defined by the internal block 12 inside the first shell 11. The manifold 14 is formed so as to introduce the gas toward the plurality of first through holes 13 within the range of a holding angle. A clearance 15 facing the plurality of first through holes 13 outside the range of the holding angle is further formed inside the first shell 11. In the radial direction, the manifold 14 has a relatively large dimension, and the clearance 15 has a relatively small dimension.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: May 17, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuyoshi Honda, Satoshi Shibutani, Yasuharu Shinokawa, Sadayuki Okazaki, Noriyuki Uchida, Noriaki Amo
  • Patent number: 9045819
    Abstract: Deterioration of the degree of vacuum in a vacuum chamber is prevented while securing adequate cooling performance by gas cooling. A substrate 21 is provided in a vacuum, and the cooling body 1 is provided close to a film non-formation surface of the substrate 21. A thin film is formed by depositing a film forming material on a film formation surface of the substrate 21 while introducing a cooling gas into between the substrate 21 and the cooling body 1. At this time, a gas which reacts with the film forming material is introduced as the cooling gas.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: June 2, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuyoshi Honda, Yasuharu Shinokawa, Hiromasa Yagi, Satoshi Shibutani, Sadayuki Okazaki, Yuko Ogawa, Daisuke Suetsugu
  • Patent number: 8888870
    Abstract: In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle ? formed between the columnar particles and the normal direction of the current collector is preferably 10°??<90°.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: November 18, 2014
    Assignee: Panasonic Corporation
    Inventors: Yasutaka Kogetsu, Masaya Ugaji, Keiichi Takahashi, Shinji Mino, Nobuaki Nagao, Satoshi Shibutani, Kazuyoshi Honda
  • Patent number: 8734997
    Abstract: A negative electrode 100 for a nonaqueous electrolytic secondary cell includes a current collector 1 and a plurality of active material bodies 2 formed on a surface of the current collector 1 at intervals; each active material body 2 contains a material for occluding or releasing lithium; and a plurality of projections 3 are formed on a part of a side surface of each active material body 2.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: May 27, 2014
    Assignee: Panasonic Corporation
    Inventors: Satoshi Shibutani, Hideharu Takezawa, Kazuyoshi Honda, Toshitada Sato
  • Patent number: 8470481
    Abstract: A clean power supply unit with a high fuel utilization rate using a fuel cell is provided. The power supply unit of the present invention comprises a fuel cell using methanol as fuel; a secondary battery for supplying power to a load; a fuel cell control part for controlling the amount of fuel and/or air supplied to the above-mentioned fuel cell; and a power converter for converting the power output from the above-mentioned fuel cell to a predetermined voltage or current, supplying power to the load and/or the above-mentioned secondary battery and controlling the supplied power so as to fall within a predetermined range including the value at which the amount of methanol discharged from the above-mentioned fuel cell becomes minimized.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: June 25, 2013
    Assignee: Panasonic Corporation
    Inventors: Katsumi Kozu, Toshihiko Ichinose, Masahiro Takada, Satoshi Shibutani, So Kuranaka
  • Patent number: 8389173
    Abstract: A method for activating a direct oxidation fuel cell including an anode, a cathode, and a proton-conductive electrolyte membrane interposed between the anode and the cathode is provided. The anode and the cathode each have a catalyst layer on a face in contact with the proton-conductive electrolyte membrane. This method activates the fuel cell by passing a current through the fuel cell from an external power source, with the positive electrode and the negative electrode of the external power source connected to the anode and the cathode of the fuel cell, respectively, while supplying an organic fuel and an inert gas to the anode and the cathode, respectively.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: March 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Takashi Akiyama, Yukihiro Okada, Satoshi Shibutani, Hideyuki Ueda, Masahiro Takada
  • Publication number: 20120301615
    Abstract: A conveyance system 50A of a film-forming apparatus 20A includes a blowing roller 6 having a function of supplying a cooling gas toward a substrate 21. The blowing roller has the first shell 11 and the internal block 12. The first shell 11 has a plurality of first through holes 13 as a gas supply channel, and is rotatable in synchronization with the substrate 21. The internal block 12 is disposed inside the first shell 11. A manifold 14 is defined by the internal block 12 inside the first shell 11. The manifold 14 is formed so as to introduce the gas toward the plurality of first through holes 13 within the range of a holding angle. A clearance 15 facing the plurality of first through holes 13 outside the range of the holding angle is further formed inside the first shell 11. In the radial direction, the manifold 14 has a relatively large dimension, and the clearance 15 has a relatively small dimension.
    Type: Application
    Filed: January 26, 2011
    Publication date: November 29, 2012
    Inventors: Kazuyoshi Honda, Satoshi Shibutani, Yasuharu Shinokawa, Sadayuki Okazaki, Noriyuki Uchida, Noriaki Amo
  • Patent number: 8182955
    Abstract: A method for operating a direct methanol fuel cell is provided. The fuel cell includes a fuel cell main body having a fuel electrode and an air electrode disposed in opposing positions on either side of an electrolyte film. In this method, an aqueous methanol solution is supplied directly to the fuel electrode. A quantity of the aqueous methanol solution supplied is controlled in accordance with an electric current value drawn from the fuel cell main body so as to minimize a quantity of unused methanol within a discharge fluid discharged from the fuel electrode.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: May 22, 2012
    Assignee: Panasonic Corporation
    Inventors: Katsumi Kozu, Toshihiko Ichinose, Masahiro Takada, Satoshi Shibutani
  • Patent number: 8129076
    Abstract: To accelerate a film formation rate in forming a negative electrode active material film by vapor deposition using an evaporation source containing Si as a principal component, and to provide an electrode for lithium batteries which is superior in productivity, and keeps the charge and discharge capacity at high level are contemplated. The method of manufacturing an electrode for lithium batteries of the present invention includes the steps of: providing an evaporation source containing Si and Fe to give a molar ratio of Fe/(Si+Fe) being no less than 0.0005 and no greater than 0.15; and vapor deposition by melting the evaporation source and permitting evaporation to allow for vapor deposition on a collector directly or through an underlying layer. The electrode for lithium batteries of the present invention includes a collector, and a negative electrode active material film which includes SiFeyOx (wherein, 0<x<2, and 0.0001?y/(1+y)?0.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: March 6, 2012
    Assignee: Panasonic Corporation
    Inventors: Satoshi Shibutani, Yuko Ogawa, Kazuyoshi Honda
  • Publication number: 20120017430
    Abstract: In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle ? formed between the columnar particles and the normal direction of the current collector is preferably 10°??<90°.
    Type: Application
    Filed: October 4, 2011
    Publication date: January 26, 2012
    Applicant: Panasonic Corporation
    Inventors: Yasutaka KOGETSU, Masaya UGAJI, Keiichi TAKAHASHI, Shinji MINO, Nobuaki NAGAO, Satoshi SHIBUTANI, Kazuyoshi HONDA
  • Publication number: 20120009349
    Abstract: In a film forming method using gas cooling, a decrease in a film formation rate and an excessive load on a vacuum pump due to gas introduction are avoided while achieving an adequate cooling effect. A thin film forming device of the present invention includes: a cooling body 10 having a cooling surface 10S located near a rear surface of a substrate 7 in a thin film forming region 9; and a gas introducing unit configured to introduce a gas to between the cooling surface 10S and the rear surface of the substrate 7. In a width-direction cross section of the substrate, a center portion of the cooling surface is shaped to project toward the rear surface of the substrate 7 as compared to both end portions of the cooling surface. In the width-direction cross section of the substrate, the cooling surface preferably has a bilaterally-symmetric shape and more preferably has a shape represented by a catenary curve.
    Type: Application
    Filed: April 14, 2010
    Publication date: January 12, 2012
    Inventors: Yasuharu Shinokawa, Satoshi Shibutani, Kazuyoshi Honda, Takashi Shimada, Yuma Kamiyama, Masahiro Yamamoto
  • Patent number: 8080334
    Abstract: In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle ? formed between the columnar particles and the normal direction of the current collector is preferably 10°??<90°.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: December 20, 2011
    Assignee: Panasonic Corporation
    Inventors: Yasutaka Kogetsu, Masaya Ugaji, Keiichi Takahashi, Shinji Mino, Nobuaki Nagao, Satoshi Shibutani, Kazuyoshi Honda
  • Publication number: 20110281029
    Abstract: Deterioration of the degree of vacuum in a vacuum chamber is prevented while securing adequate cooling performance by gas cooling. A substrate 21 is provided in a vacuum, and the cooling body 1 is provided close to a film non-formation surface of the substrate 21. A thin film is formed by depositing a film forming material on a film formation surface of the substrate 21 while introducing a cooling gas into between the substrate 21 and the cooling body 1. At this time, a gas which reacts with the film forming material is introduced as the cooling gas.
    Type: Application
    Filed: December 10, 2009
    Publication date: November 17, 2011
    Inventors: Kazuyoshi Honda, Yasuharu Shinokawa, Hiromasa Yagi, Satoshi Shibutani, Sadayuki Okazaki, Yuko Ogawa, Daisuke Suetsugu
  • Publication number: 20110091795
    Abstract: A fuel container for storing a fuel liquid for a fuel cell has a double wall structure including an inner container for storing a fuel liquid and an outer container for housing the inner container, and a material capable of retaining the fuel between the inner container and the outer container. A fuel cell pack includes a fuel cell and a fuel container for storing a fuel liquid for the fuel cell. The fuel cell pack includes a double wall exterior casing having an inner casing for housing the fuel cell and the fuel container and an outer casing for housing the inner casing, and a material capable of retaining the fuel between the inner casing and the outer casing.
    Type: Application
    Filed: December 27, 2010
    Publication date: April 21, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Takashi AKIYAMA, Junji Niikura, Kohji Yuasa, Yukihiro Okada, Satoshi Shibutani, Hideyuki Ueda
  • Patent number: 7855019
    Abstract: A method for operating a direct methanol fuel cell is provided. The fuel cell includes a fuel cell main body having a fuel electrode and an air electrode disposed in opposing positions on either side of an electrolyte film. In this method, an aqueous methanol solution is supplied directly to the fuel electrode. A quantity of the aqueous methanol solution supplied is controlled in accordance with an electric current value drawn from the fuel cell main body so as to minimize a quantity of unused methanol within a discharge fluid discharged from the fuel electrode.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: December 21, 2010
    Assignee: Panasonic Corporation
    Inventors: Katsumi Kozu, Toshihiko Ichinose, Masahiro Takada, Satoshi Shibutani
  • Publication number: 20100143812
    Abstract: A clean power supply unit with a high fuel utilization rate using a fuel cell is provided. The power supply unit of the present invention comprises a fuel cell using methanol as fuel; a secondary battery for supplying power to a load; a fuel cell control part for controlling the amount of fuel and/or air supplied to the above-mentioned fuel cell; and a power converter for converting the power output from the above-mentioned fuel cell to a predetermined voltage or current, supplying power to the load and/or the above-mentioned secondary battery and controlling the supplied power so as to fall within a predetermined range including the value at which the amount of methanol discharged from the above-mentioned fuel cell becomes minimized.
    Type: Application
    Filed: February 19, 2010
    Publication date: June 10, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Katsumi Kozu, Toshihiko Ichinose, Masahiro Takada, Satoshi Shibutani, So Kuranaka
  • Patent number: RE41695
    Abstract: In a fuel cell system, leakage of a fuel and a by-product produced in oxidizing a fuel, and leakage thereof out of a fuel cell by evaporation are prevented. For this purpose, in a fuel cell system comprising an electrogenerating portion having a fuel electrode, an oxidant electrode and an electrolyte sandwiched between the fuel electrode and the oxidant electrode; a fuel accommodating container accommodating a fuel to be supplied to the fuel electrode; a fuel supplying portion supplying a fuel from the fuel accommodating container to the electrogenerating portion; and a fuel discharging portion connected to the fuel electrode, the fuel accommodating container, the fuel supplying portion, the fuel electrode and the fuel discharging portion are air-tightly connected.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: September 14, 2010
    Assignee: Panasonic Corporation
    Inventors: Nobuhiko Hojo, Aoi Muta, Satoshi Shibutani, Yukihiro Okada