Patents by Inventor Takeshi Fukumasa

Takeshi Fukumasa 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: 20110132493
    Abstract: It is a fuel supply adaptor device which connects the apparatus having a fuel injecting portion including a power generator formed of fuel cells to the fuel cartridge having a fuel supplying portion and delivers the fuel in the fuel cartridge to the power generator, comprising a second connector for making connection to the fuel injecting portion of at least one apparatus, a first connector for making connection to the fuel supplying portion of at least one fuel cartridge, a connecting pipe for connecting the first connector to the second connector, and a holder, wherein the first connector, the second connector, and the connecting pipe are held by the holder.
    Type: Application
    Filed: August 5, 2008
    Publication date: June 9, 2011
    Inventors: Katsumi Kozu, Yasushi Hirakawa, Takeshi Fukumasa
  • Patent number: 7927729
    Abstract: A secondary battery having an electrode assembly in which strip-shaped positive and negative electrode plates are spirally wound with a strip-shaped separator interposed therebetween, the positive and negative electrode plates comprising a current collector and a material mixture layer carried thereon. The positive electrode plate has, in a vicinity of a first end at an initial winding side, an exposed portion of the positive electrode current collector having no positive electrode material mixture formed thereon and a positive electrode lead connected to the exposed portion. A first winding turn outwardly adjacent to a connecting portion of the positive electrode lead with the separator interposed therebetween and a second winding turn outwardly adjacent to the first winding turn with the separator interposed therebetween comprise a portion of the negative electrode plate carrying the negative electrode material mixture layer.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 19, 2011
    Assignee: Panasonic Corporation
    Inventors: Hiroki Muraoka, Takeshi Fukumasa, Hiroaki Furuta, Hiroshi Matsuno
  • Publication number: 20070207387
    Abstract: A secondary battery of the present invention comprises an electrode assembly in which a strip-shaped positive electrode plate and a strip-shaped negative electrode plate are spirally wound with a strip-shaped separator interposed therebetween, the positive electrode plate comprising a positive electrode current collector and a positive electrode material mixture layer carried thereon, and the negative electrode plate comprising a negative electrode current collector and a negative electrode material mixture layer carried thereon. The positive electrode plate has, in a vicinity of a first end at an initial winding side, an exposed portion of the positive electrode current collector having the positive electrode material mixture layer not formed thereon and a positive electrode lead connected to the exposed portion.
    Type: Application
    Filed: March 23, 2005
    Publication date: September 6, 2007
    Inventors: Hiroki Muraoka, Takeshi Fukumasa, Hiroaki Furuta, Hiroshi Matsuno