Patents by Inventor Shingo Asada

Shingo Asada 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).

  • Negative electrode of lithium ion secondary battery obtained by isostatically pressing a spherical graphite to eliminate voids therein
    Patent number: 7563543
    Abstract: The present invention is characterized in that a negative electrode material for lithium ion secondary batteries containing graphite having high density and high isotropy is produced by pressing a spherical graphite isostatically. Use of said negative electrode material provides a negative electrode for lithium ion secondary batteries and a lithium ion secondary battery excellent in discharge load characteristics, cycle characteristics, and the like.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: July 21, 2009
    Assignee: The Kansai Coke and Chemicals Co., Ltd.
    Inventors: Koujiro Tenno, Junichi Yasumaru, Shingo Asada, Naoki Matoba, Satoshi Kubota
  • Material for negative electrode of lithium ion secondary battery, process for manufacturing the same, and negative electrode using the same and lithium ion secondary battery using the negative electrode
    Publication number: 20050014067
    Abstract: The present invention is characterized in that a negative electrode material for lithium ion secondary batteries containing graphite having high density and high isotropy is produced by pressing a spherical graphite isostatically. Use of said negative electrode material provides a negative electrode for lithium ion secondary batteries and a lithium ion secondary battery excellent in discharge load characteristics, cycle characteristics, and the like.
    Type: Application
    Filed: July 14, 2004
    Publication date: January 20, 2005
    Applicant: THE KANSAI COKE AND CHEMICALS CO., LTD.
    Inventors: Koujiro Tenno, Junichi Yasumaru, Shingo Asada, Naoki Matoba, Satoshi Kubota