Patents by Inventor Eiichi Waki

Eiichi Waki 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).

  • Flat battery
    Patent number: 4623598
    Abstract: A flat battery has a flat generating element which is sealed and sheathed within a two-fold electrically insulating sheathing film, and positive and negative terminals are provided on either the upper or the lower surface thereof. The capacity of the battery per unit area is increased, and either the positive or the negative terminal, which can extend along the inner side of the film, can be reduced in size and simplified.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: November 18, 1986
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Eiichi Waki, Shigeo Kobayashi, Yutaka Hashimoto, Miyoji Nakai