Patents by Inventor Keigo Aoi

Keigo Aoi 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).

  • Ion-conductive electrolyte and cell employing the same
    Patent number: 7455935
    Abstract: An ion-conductive electrolyte which comprises a compound having in the molecule a structure represented by the following chemical formula and an electrolyte salt; and a cell employing the ion-conductive electrolyte. The ion-conductive electrolyte has a low vapor pressure, has a high ion conductivity even at room temperature, and has a high lithium ion transport number. With this ion-conductive electrolyte, a highly safe cell having excellent discharge characteristics can be provided.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: November 25, 2008
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshihiro Abe, Shoji Saibara, Hideaki Katayama, Shigeo Aoyama, Keigo Aoi, Makito Yokoe, Masahiko Okada
  • Ion-conductive electrolyte and cell employing the same
    Publication number: 20040241553
    Abstract: An ion-conductive electrolyte which comprises a compound having in the molecule a structure represented by the following chemical formula and an electrolyte salt; and a cell employing the ion-conductive electrolyte. The ion-conductive electrolyte has a low vapor pressure, has a high ion conductivity even at room temperature, and has a high lithium ion transport number. With this ion-conductive electrolyte, a highly safe cell having excellent discharge characteristics can be provided.
    Type: Application
    Filed: April 15, 2004
    Publication date: December 2, 2004
    Inventors: Toshihiro Abe, Shoji Saibara, Hideaki Katayama, Shigeo Aoyama, Keigo Aoi, Makito Yokoe, Masahiko Okada