Patents by Inventor Noritoshi Kasama

Noritoshi Kasama 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).

  • Lithium secondary battery
    Patent number: 8663843
    Abstract: A lithium secondary battery (10) provided by the present invention has an iron oxide film-coated electrode employing a configuration in which an iron oxide film (144) capable of reversibly absorbing and desorbing lithium is retained on an electrically conductive base (142). The electrically conductive base (142) has a roughened surface having a surface roughness Rz of 3 ?m or more, and the iron oxide film (144) is provided on the roughened surface.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: March 4, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideki Nakayama, Noritoshi Kasama
  • LITHIUM SECONDARY BATTERY
    Publication number: 20120021289
    Abstract: A lithium secondary battery (10) provided by the present invention has an iron oxide film-coated electrode employing a configuration in which an iron oxide film (144) capable of reversibly absorbing and desorbing lithium is retained on an electrically conductive base (142). The electrically conductive base (142) has a roughened surface having a surface roughness Rz of 3 ?m or more, and the iron oxide film (144) is provided on the roughened surface.
    Type: Application
    Filed: February 16, 2009
    Publication date: January 26, 2012
    Inventors: Hideki Nakayama, Noritoshi Kasama