Patents by Inventor Takashisa Awajitani

Takashisa Awajitani 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).

  • Alkaline storage cell
    Patent number: 4826744
    Abstract: A rechargeable alkaline cell. Main components of the cell includes a positive electrode, a negative electrode, a separator, and a hydrophobic polymer. The negative electrode includes a conductive support, an active material layer formed on the conductive support, and a conductive layer formed on the active material layer. The separator is disposed between the positive and negative electrodes and impregnated with an alkaline electrolyte. The hydrophobic polymer is disposed between the separator and conductive powder of the conductive layer to be out of contact with the active material layer.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: May 2, 1989
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Tsukasa Itou, Ryuji Kawase, Yuji Morioka, Masao Ichiba, Fumituga Tachihara, Takashisa Awajitani