Patents by Inventor Yoshifumi Magari

Yoshifumi Magari 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).

  • Nickel metal hydride storage battery
    Publication number: 20040101751
    Abstract: A nickel metal hydride storage battery which includes a positive electrode containing nickel hydroxide as a active material, a negative electrode containing a hydrogen absorbing alloy which contains aluminum, a separator and an alkaline electrolyte, wherein a complex-forming agent which forms a complex with aluminum is included in the negative electrode.
    Type: Application
    Filed: July 24, 2003
    Publication date: May 27, 2004
    Inventors: Yoshifumi Magari, Tadayoshi Tanaka, Hiroyuki Akita, Katsuhiko Shinyama, Atsuhiro Funahashi, Toshiyuki Nohma
  • Nickel-metal hydride storage battery
    Publication number: 20030129491
    Abstract: A nickel-metal hydride storage battery which includes a positive electrode containing nickel hydroxide, a negative electrode containing a hydrogen absorbing alloy and an alkaline electrolyte, wherein the positive electrode contains a hydroxide and/or an oxide of an element selected from the group consisting of calcium, strontium, scandium, yttrium, lanthanoid and bismuth, and the negative electrode contains a hydroxide and/or an oxide of at least one element selected from the group consisting of scandium, yttrium and lanthanoid.
    Type: Application
    Filed: December 18, 2002
    Publication date: July 10, 2003
    Inventors: Yoshifumi Magari, Tadayoshi Tanaka, Hiroyuki Akita, Katsuhiko Shinyama, Atsuhiro Funahashi, Toshiyuki Nohma
  • Nickel-metal hydride storage battery
    Publication number: 20030124425
    Abstract: A nickel-metal hydride storage battery comprising a positive electrode containing nickel hydroxide, a negative electrode containing a hydrogen absorbing alloy and an alkaline electrolyte, wherein the positive electrode contains a hydroxide and/or an oxide of an element selected from the group consisting of calcium, strontium, scandium, yttrium, lanthanoid and bismuth, and the negative electrode contains germanium.
    Type: Application
    Filed: December 18, 2002
    Publication date: July 3, 2003
    Inventors: Hiroyuki Akita, Tadayoshi Tanaka, Yoshifumi Magari, Katsuhiko Shinyama, Atsuhiro Funahashi, Toshiyuki Nohma
  • Photovoltaic power generation system with storage batteries
    Publication number: 20030047209
    Abstract: An object of the present invention is to provide a system capable of reducing optimally peak demand for power by using small capacity storage batteries.
    Type: Application
    Filed: August 30, 2002
    Publication date: March 13, 2003
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Atsushi Yanai, Yoshifumi Magari, Katsuhiko Shinyama, Atsuhiro Funahashi, Toshiyuki Nouma, Ikuo Yonezu, Ryuuzou Hagihara, Takeo Ishida, Osamu Oota
  • Separator for nickel-metal hydride storage battery and nickel-metal hydride storage battery
    Publication number: 20030048094
    Abstract: A separator for a nickel-metal hydride storage battery having a hydrogen-absorbing alloy as a negative electrode. The separator is a laminate of a substrate and a porous hydrophilic film.
    Type: Application
    Filed: August 28, 2002
    Publication date: March 13, 2003
    Inventors: Yasuyuki Harada, Tadayoshi Tanaka, Yoshifumi Magari, Katsuhiko Shinyama, Toshiyuki Nohma, Ikuo Yonezu
  • Sealed alkaline storage battery with a manganese containing NiOH electrode
    Patent number: 6479189
    Abstract: The sealed alkaline storage battery of this invention includes a nonsintered nickel positive electrode using, as an active material, manganese-containing &agr;-nickel hydroxide including, as a solid-solution element, 15 through 50 wt % of manganese on the basis of a total amount of nickel and manganese; a negative electrode; and an alkaline electrolyte including 0.55 through 0.80 g of water per gram of the manganese-containing &agr;-nickel hydroxide. In this manner, the invention provides an alkaline storage battery exhibiting high positive electrode active material utilization for a large number of charge-discharge cycles.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: November 12, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Takeshi Ogasawara, Yoshifumi Magari, Nobuyuki Higashiyama, Mamoru Kimoto, Yasuhiko Itoh