Patents by Inventor Tomio Kitamura

Tomio Kitamura 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).

  • Patent number: 5017442
    Abstract: In a coil type lithium battery comprising a coil electrode body formed by winding a strip like negative electrode plate of lithium or lithium alloy and strip like positive electrode about a separator, the entire outer cylindrical surface of the coil of the electrode body is covered with an insulating film to prevent internal short circuiting of the battery.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: May 21, 1991
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Osamu Watanabe, Osamu Kajii, Toshiyuki Edamoto, Tomio Kitamura, Kaoru Hisatomi, Hiroshi Yoshida, Yoshiki Somatomo