Patents by Inventor Natsuki Anzai

Natsuki Anzai 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).

  • Metal separator for fuel cells and manufacturing method thereof
    Patent number: 9647278
    Abstract: To provide a metal separator for fuel cells that can equalize the wet environment of a membrane electrode assembly and a manufacturing method thereof. A metal separator for fuel cells and a manufacturing method thereof are characterized in that, a first separator (14) made of metal, which is layered in a membrane electrode assembly (12) to which a pair of electrodes is provided on both sides of a solid polymer electrolyte membrane (120), is formed into a corrugated sheet shape having convex parts and concaved parts, a noble metal thin film (147) is formed on a convex part (145) of the first separator (14), and holes (148) through which the first separator (14) is exposed are formed in the noble metal thin film (147).
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: May 9, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventors: Teruyuki Ohtani, Masao Utsunomiya, Natsuki Anzai
  • METAL SEPARATOR FOR FUEL CELLS AND MANUFACTURING METHOD THEREOF
    Publication number: 20130288161
    Abstract: To provide a metal separator for fuel cells that can equalize the wet environment of a membrane electrode assembly and a manufacturing method thereof. A metal separator for fuel cells and a manufacturing method thereof are characterized in that, a first separator (14) made of metal, which is layered in a membrane electrode assembly (12) to which a pair of electrodes is provided on both sides of a solid polymer electrolyte membrane (120), is formed into a corrugated sheet shape having convex parts and concaved parts, a noble metal thin film (147) is formed on a convex part (145) of the first separator (14), and holes (148) through which the first separator (14) is exposed are formed in the noble metal thin film (147).
    Type: Application
    Filed: March 28, 2013
    Publication date: October 31, 2013
    Inventors: Teruyuki OHTANI, Masao UTSUNOMIYA, Natsuki ANZAI
  • Fuel cell exhibiting enhanced separator sealing structure
    Patent number: 8043766
    Abstract: Auxiliary seals are provided on a surface of a first metal separator, between load receivers and an oxygen-containing gas supply passage, a fuel gas supply passage, an oxygen-containing gas discharge passage, and a fuel gas discharge passage, in relatively wide areas. The cross sectional shape of the auxiliary seal is the same as those of a flow field seal and ring-like seals, and the auxiliary seals are formed independently from the flow field seal and the ring-like seals.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: October 25, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shuhei Goto, Natsuki Anzai, Daisuke Okonogi, Hiroyuki Tanaka, Kazuo Nunokawa, Masaaki Sakano
  • FUEL CELL
    Publication number: 20080261104
    Abstract: Auxiliary seals are provided on a surface of a first metal separator, between load receivers and an oxygen-containing gas supply passage, a fuel gas supply passage, an oxygen-containing gas discharge passage, and a fuel gas discharge passage, in relatively wide areas. The cross sectional shape of the auxiliary seal is the same as those of a flow field seal and ring-like seals, and the auxiliary seals are formed independently from the flow field seal and the ring-like seals.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 23, 2008
    Applicant: Honda Motor Co., Ltd.
    Inventors: Shuhei Goto, Natsuki Anzai, Daisuke Okonogi, Hiroyuki Tanaka, Kazuo Nunokawa, Masaaki Sakano