Patents by Inventor Aoi Tanaka

Aoi Tanaka 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: 20200099180
    Abstract: An L-shaped coaxial connector having a coaxial cable includes a coaxial cable including a central conductor portion and an external conductor portion disposed around the central conductor portion and a center conductor portion, an internal terminal connected to the central conductor portion, an external terminal connected to the external conductor portion, and an insulating member disposed between the internal and external terminals. The external terminal includes a cylindrical portion surrounding the first terminal portion and extending in a cylindrical shape in a direction intersecting an axial direction of the coaxial cable. The internal terminal includes a male type first terminal portion having a cylindrical shape and extending in the direction intersecting the axial direction, and a second terminal portion extending to connect from the first terminal portion to the central conductor portion.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yukihiro KITAICHI, Aoi TANAKA, Kenichi TAKADA, Fumio MIZUKI, Kazuo SHIMA, Daisuke OKADA
  • Patent number: 10457821
    Abstract: An aqueous inkjet ink includes at least water, a coloring material, a water-soluble organic solvent component, a surfactant, and resin microparticles. The water-soluble organic solvent component includes a first monool-type solvent represented by R1O(CH2CH2O)mH in which R1 represents a straight or branched alkyl group having 1 to 4 carbon atoms, and m represents an integer of 2 or 3, a second monool-type solvent represented by R2O(C3H6O)nH where R2 represents a straight or branched alkyl group having 1 to 4 carbon atoms, and n represents an integer of 2 or 3, and a third monool-type solvent that is at least one selected from the group consisting of 3-methoxy-1-butanol and 3-methoxy-3-methyl-1-butanol. The content of the third monool-type solvent in the ink is about 8% by mass or greater and about 27% by mass or less. The content of the first monool-type solvent in the ink is about 0.5% by mass or greater and about 9% by mass or less. The content of the second monool-type solvent in the ink is about 0.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 29, 2019
    Assignee: ROLAND DG CORPORATION
    Inventors: Shinji Tabuchi, Aoi Tanaka
  • Patent number: 10361510
    Abstract: A connector, a connector set, and a manufacturing method for a connector that suppresses intrusion or radiation of noise. A first connector includes a first ground conductor including a first outer conductor having a cylindrical shape and a virtual first center axis extending in a first direction, and a first contact section connected to the first outer conductor; a first center conductor in an area surrounded by the first outer conductor when viewed from the first direction; and a first lock member. When the first connector and a second connector are connected to each other, the first outer conductor is inserted in a second outer conductor, the first lock member pushes the second connector toward one side of the first direction, and the first contact section contact a second ground conductor to surround the periphery of the first outer conductor when viewed from the first direction.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: July 23, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Aoi Tanaka, Chikara Uratani, Minoru Ikeda, Shingo Nakamura
  • Publication number: 20190115692
    Abstract: A connector, a connector set, and a manufacturing method for a connector that suppresses intrusion or radiation of noise. A first connector includes a first ground conductor including a first outer conductor having a cylindrical shape and a virtual first center axis extending in a first direction, and a first contact section connected to the first outer conductor; a first center conductor in an area surrounded by the first outer conductor when viewed from the first direction; and a first lock member. When the first connector and a second connector are connected to each other, the first outer conductor is inserted in a second outer conductor, the first lock member pushes the second connector toward one side of the first direction, and the first contact section contact a second ground conductor to surround the periphery of the first outer conductor when viewed from the first direction.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 18, 2019
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Aoi TANAKA, Chikara URATANI, Minoru IKEDA, Shingo NAKAMURA
  • Publication number: 20180171165
    Abstract: An aqueous inkjet ink includes at least water, a coloring material, a water-soluble organic solvent component, a surfactant, and resin microparticles. The water-soluble organic solvent component includes a first monool-type solvent represented by R1O(CH2CH2O)mOH in which R1 represents a straight or branched alkyl group having 1 to 4 carbon atoms, and m represents an integer of 2 or 3, a second monool-type solvent represented by R2O(C3H6O)nOH where R2 represents a straight or branched alkyl group having 1 to 4 carbon atoms, and n represents an integer of 2 or 3, and a third monool-type solvent that is at least one selected from the group consisting of 3-methoxy-1-butanol and 3-methoxy-3-methyl-1-butanol. The content of the third monool-type solvent in the ink is about 8% by mass or greater and about 27% by mass or less. The content of the first monool-type solvent in the ink is about 0.5% by mass or greater and about 9% by mass or less. The content of the second monool-type solvent in the ink is about 0.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 21, 2018
    Inventors: Shinji TABUCHI, Aoi TANAKA
  • Publication number: 20180118965
    Abstract: An aqueous inkjet ink includes at least water, a coloring material, a water-soluble organic solvent component, a surfactant, resin particles, and a water-soluble carbodiimide compound that acts as a crosslinking component. The surfactant is a silicone-based surfactant. The resin microparticles include a functional group reactive with a carbodiimide group at least at a surface thereof. A mass ratio of the resin microparticles with respect to the water-soluble carbodiimide compound is about 10 or greater.
    Type: Application
    Filed: October 6, 2017
    Publication date: May 3, 2018
    Inventors: Shinji TABUCHI, Aoi TANAKA
  • Publication number: 20180072905
    Abstract: An inkjet ink includes at least water, a coloring material, a water-soluble organic solvent component, resin particles, and a surfactant. 3-methoxy-1-butanol is preferably provided as the water-soluble organic solvent component in the inkjet ink at a content of 8% by mass or greater. The surfactant is included in the inkjet ink at a content of 2% by mass or less. The inkjet ink has a static surface tension, determined by the Wilhelmy method, of about 27.0 mN/m or less at 25° C.
    Type: Application
    Filed: August 17, 2017
    Publication date: March 15, 2018
    Inventors: Shinji TABUCHI, Aoi TANAKA
  • Patent number: 7604887
    Abstract: The electrolyte membrane of the present invention is an electrolyte membrane (1) having ionic conductivity that includes a base material (2) and organic molecules having ion exchange groups, wherein the organic molecules are chemically bonded to the surface of the base material (2) to form an organic layer (3), and ions are conducted via the ion exchange groups in the organic layer (3). By providing this type of electrolyte membrane, it is possible to obtain an electrolyte membrane having ionic conductivity whose configuration is different to that of a conventional electrolyte membrane.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: October 20, 2009
    Assignee: Panasonic Corporation
    Inventors: Norihisa Mino, Nobuhiko Hojo, Aoi Tanaka, Takashi Akiyama, Yukihiro Okada, Kohji Yuasa, Yuu Inatomi, Taisuke Yamamoto
  • Patent number: 7569302
    Abstract: A cell according to the present invention is a fuel cell for generating an electric power by supplying one electrode with a fuel and the other electrode with an oxidant. In the fuel cell, a catalyst layer is formed on at least one surface of at least one of the one electrode and the other electrode. The catalyst layer is a layer including catalyst particles alone, a layer including a mixture of the catalyst particles and other particles, or a layer of a porous film carrying at least the catalyst particles, and a molecule including an ion-conducting functional group serving as an electrolyte is chemically bonded to a surface of at least one selected from the group consisting of the catalyst particles, the other particles and the porous film. At least one of the electrodes has a thin film electrolyte, a catalyst and an electron conducting substance, thereby suppressing the elution of the electrolyte from the catalyst layer in an electrode part and the accompanying voltage drop.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: August 4, 2009
    Assignee: Panasonic Corporation
    Inventors: Aoi Tanaka, Norihisa Mino, Nobuhiko Hojo, Taisuke Yamamoto, Yumi Kondo
  • Patent number: 7081317
    Abstract: It is difficult to realize a small fuel cell capable of being installed in mobile device by merely downsizing a conventional fuel cell without changing the configuration. The present invention provides a small fuel cell employing a polymer electrolyte thin film, by using a semiconductor process. A polymer electrolyte thin film fuel cell in accordance with the present invention comprises: a substrate having a plurality of openings; an electrolyte membrane-electrode assembly formed on the substrate so as to cover each of the openings, the assembly comprising a first catalyst electrode layer, a hydrogen ion conductive polymer electrolyte membrane and a second catalyst electrode layer which are formed successively; and fuel and oxidant supply means for supplying a fuel or an oxidant gas to the first catalyst electrode layer through the openings, and an oxidant gas or a fuel to the second catalyst electrode layer.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: July 25, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Satoru Fujii, Kazuhito Hatoh, Masato Hosaka, Kohji Yuasa, Yasutaka Noguchi, Satoshi Shibutani, Aoi Tanaka, Nobuhiko Hojo, Yukihiro Okada
  • Publication number: 20050260478
    Abstract: The electrolyte membrane of the present invention is an electrolyte membrane (1) having ionic conductivity that includes a base material (2) and organic molecules having ion exchange groups, wherein the organic molecules are chemically bonded to the surface of the base material (2) to form an organic layer (3), and ions are conducted via the ion exchange groups in the organic layer (3). By providing this type of electrolyte membrane, it is possible to obtain an electrolyte membrane having ionic conductivity whose configuration is different to that of a conventional electrolyte membrane.
    Type: Application
    Filed: July 24, 2003
    Publication date: November 24, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO. LTD
    Inventors: Norihisa Mino, Nobuhiko Hojo, Aoi Tanaka, Takashi Akiyama, Okada Yukihiro, Kohji Yuasa, Yuu Inatomi, Taisuke Yamamoto
  • Publication number: 20050079402
    Abstract: A fuel cell includes a catalysis layer constituting a fuel supply side electrode. The catalysis layer includes a catalyst, an electrically conductive substance, a hydrogen ion-conductive electrolytic substance, and a carbon monoxide oxidizer. As the carbon monoxide oxidizer, for example, particles of a transition metal oxide, chloride, or hydride are used. Alternatively, a metal complex containing water as a ligand can also be used as the carbon monoxide oxidizer.
    Type: Application
    Filed: September 14, 2004
    Publication date: April 14, 2005
    Inventors: Aoi Tanaka, Yukihiro Okada, Satoshi Shibutani, Nobuhiko Hojo, Teruhisa Kanbara
  • Patent number: 6756148
    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 27, 2002
    Date of Patent: June 29, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Nobuhiko Hojo, Aoi Tanaka, Satoshi Shibutani, Yukihiro Okada
  • Publication number: 20040096729
    Abstract: A cell according to the present invention is a fuel cell for generating an electric power by supplying one electrode with a fuel and the other electrode with an oxidant. In the fuel cell, a catalyst layer is formed on at least one surface of at least one of the one electrode and the other electrode. The catalyst layer is a layer including catalyst particles alone, a layer including a mixture of the catalyst particles and other particles, or a layer of a porous film carrying at least the catalyst particles, and a molecule including an ion-conducting functional group serving as an electrolyte is chemically bonded to a surface of at least one selected from the group consisting of the catalyst particles, the other particles and the porous film. At least one of the electrodes has a thin film electrolyte, a catalyst and an electron conducting substance, thereby suppressing the elution of the electrolyte from the catalyst layer in an electrode part and the accompanying voltage drop.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 20, 2004
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Aoi Tanaka, Norihisa Mino, Nobuhiko Hojo, Taisuke Yamamoto, Yumi Kondo
  • Publication number: 20040058227
    Abstract: An MEA is made by: preparing a mixture of a polymer electrolyte and a catalyst; forming, on a transfer sheet, a thin film of the catalyst mixture; transferring the thin film onto one surface of a proton conductive electrolyte membrane for forming a catalyst thin film layer thereon; and repeating the transferring step for forming plural catalyst thin film layers, wherein the transferring steps causes the plural catalyst thin film layers to have a density gradient of sequentially decreasing from its proton conductive electrolyte membrane side to the other side, and wherein the catalyst layer has therein a substantially constant weight ratio of the polymer electrolyte to the catalyst.
    Type: Application
    Filed: July 1, 2003
    Publication date: March 25, 2004
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Aoi Tanaka, Yukihiro Okada, Satoshi Shibutani, Nobuhiko Hojo, Yasutaka Noguchi, Kohji Yuasa
  • Publication number: 20030224224
    Abstract: A power supply system is provided having a fuel cell and a power storage source comprising at least one of a secondary battery and a capacitor, the power supply system being secured to or mounted, in use thereof, on an electronic equipment, wherein: the fuel cell has a maximum output power which is higher than the average power consumption of and lower than the maximum power consumption of the electronic equipment; and the power storage source can output at least a power corresponding to the maximum power consumption of the electronic equipment. The power supply system can start the operation of electronic equipment having a high load even at the time of starting such operation, irrespective of the ambient temperature; can operate the electronic equipment for a long time by simply refilling the fuel supply; and can be low in cost, small in size and high in reliability and output energy density.
    Type: Application
    Filed: May 20, 2003
    Publication date: December 4, 2003
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukihiro Okada, Satoshi Shibutani, Aoi Tanaka, Nobuhiko Hojo, Yasutaka Noguchi, Kohji Yuasa
  • Publication number: 20030170520
    Abstract: It is difficult to realize a small fuel cell capable of being installed in mobile device by merely downsizing a conventional fuel cell without changing the configuration. The present invention provides a small fuel cell employing a polymer electrolyte thin film, by using a semiconductor process. A polymer electrolyte thin film fuel cell in accordance with the present invention comprises: a substrate having a plurality of openings; an electrolyte membrane-electrode assembly formed on the substrate so as to cover each of the openings, the assembly comprising a first catalyst electrode layer, a hydrogen ion conductive polymer electrolyte membrane and a second catalyst electrode layer which are formed successively; and fuel and oxidant supply means for supplying a fuel or an oxidant gas to the first catalyst electrode layer through the openings, and an oxidant gas or a fuel to the second catalyst electrode layer.
    Type: Application
    Filed: December 11, 2002
    Publication date: September 11, 2003
    Inventors: Satoru Fujii, Kazuhito Hatoh, Masato Hosaka, Kohji Yuasa, Yasutaka Noguchi, Satoshi Shibutani, Aoi Tanaka, Nobuhiko Hojo, Yukihiro Okada
  • Publication number: 20030124408
    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: Application
    Filed: December 27, 2002
    Publication date: July 3, 2003
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Nobuhiko Hojo, Aoi Tanaka, Satoshi Shibutani, Yukihiro Okada