Patents by Inventor Toshiaki Shiojiri

Toshiaki Shiojiri 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 having a negative electrode comprising a cadmium active material
    Patent number: 5281495
    Abstract: Disclosed is a rechargeable alkaline storage cell having a negative electrode, a positive electrode, and a separator disposed between the electrodes. The negative electrode has an active material layer and a conductive layer formed on the active layer, the active layer including cadmium active material, the conductive layer including polyvinylpyrrolidone as a binder and conductive powder.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: January 25, 1994
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Akira Hirakawa, Hironori Honda, Toshihiro Inoue, Yutaka Doi, Yoshiyuki Fujimoto, Toshiaki Shiojiri, Ryuuji Kawase
  • Cadmium negative electrode for use in an alkaline storage cell and its manufacturing method
    Patent number: 4990414
    Abstract: A rechargeable alkaline storage cell mainly comprising a negative electrode including polyvinyl pyrolidone having a degree of polymerization of 350 to 1,000, a positive electrode, and an alkaline electrolyte, and its manufacturing method are disclosed. This invention may be employed for the sintering method or for the non-sintering method of manufacturing a negative electrode.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: February 5, 1991
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuhiro Matsui, Akira Sugano, Ichirou Yoshida, Yukiharu Nishikawa, Toshiaki Shiojiri, Takahisa Awajitani, Shinsuke Nakahori, Yuji Morioka