Birch, Stewart, Kolasch & Birch
Coiled lithium battery
 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. 
Hitachi Maxell, Ltd.
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inventional inventional inventional
Osamu Yoshiki Toshiyuki Tomio Hiroshi Kaoru Osamu
Watanabe Somatomo Edamoto Kitamura Yoshida Hisatomi Kajii