Patents by Inventor Ryosuke OBIKA

Ryosuke OBIKA 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).

  • Insulated wire and rotating electrical machine
    Patent number: 10319496
    Abstract: An insulated wire, having at least one foamed insulating layer composed of a thermosetting resin having bubbles, directly or indirectly on an outer periphery of a conductor, wherein the foamed insulating layer has a different bubble density in a thickness direction thereof; and a rotating electrical machine.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 11, 2019
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.
    Inventors: Kenji Fujimori, Makoto Oya, Ryosuke Obika
  • Multilayer insulated wire, coil, and electrical/electronic equipment
    Patent number: 10032540
    Abstract: A multilayer insulated wire having a polyester-based resin layer formed of a polyester-based resin containing at least a trihydric or higher hydric alcohol constituent on a conductor, and a PEEK resin layer formed of polyether ether ketone or modified polyether ether ketone, directly or by interposing an intermediate layer, on the polyester-based resin layer; a coil formed by winding processing the insulated wire, and electronic/electrical equipment having the coil.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: July 24, 2018
    Assignees: Furukawa Electric Co., Ltd., Furukawa Magnet Wire Co., Ltd.
    Inventors: Ryosuke Obika, Tsuneo Aoi
  • INSULATED WIRE AND ROTATING ELECTRICAL MACHINE
    Publication number: 20170236618
    Abstract: An insulated wire, having at least one foamed insulating layer composed of a thermosetting resin having bubbles, directly or indirectly on an outer periphery of a conductor, wherein the foamed insulating layer has a different bubble density in a thickness direction thereof; and a rotating electrical machine.
    Type: Application
    Filed: May 5, 2017
    Publication date: August 17, 2017
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.
    Inventors: Kenji FUJIMORI, Makoto OYA, Ryosuke OBIKA
  • MULTILAYER INSULATED WIRE, COIL, AND ELECTRICAL/ELECTRONIC EQUIPMENT
    Publication number: 20160307664
    Abstract: A multilayer insulated wire having a polyester-based resin layer formed of a polyester-based resin containing at least a trihydric or higher hydric alcohol constituent on a conductor, and a PEEK resin layer formed of polyether ether ketone or modified polyether ether ketone, directly or by interposing an intermediate layer, on the polyester-based resin layer; a coil formed by winding processing the insulated wire, and electronic/electrical equipment having the coil.
    Type: Application
    Filed: June 24, 2016
    Publication date: October 20, 2016
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.
    Inventors: Ryosuke OBIKA, Tsuneo AOI