Patents by Inventor Masa-aki Sasayama

Masa-aki Sasayama 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).

  • Non-aqueous battery of a thin configuration
    Patent number: 6461757
    Abstract: A non-aqueous battery is provided in a pouchy casing comprising opposing sheets of at least three-layer laminates, each laminate comprising (1) an inner thermoplastic resin layer, (2) a middle metal foil layer, and (3) an outer electrically insulating material layer, wherein the pouchy casing has an elongated, hermetic adhesion area along a periphery of the pouchy casing, and the middle metal foil layer has a peripheral elongated region in the elongated, hermetic adhesion area of the pouchy casing, and at least a pair of terminals electrically connected to the cathode and anode of the battery extends through and protrudes from the terminal-withdrawal sites in the elongated, hermetic adhesion area toward the outside of the pouchy casing, and the battery has at least one of the following features: (i) the peripheral elongated region of the middle metal foil layer has cut-out portions around the terminal-withdrawal sites and (ii) the surface of the peripheral edge of the pouchy casing is provided with electric i
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: October 8, 2002
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masa-aki Sasayama, Takashi Minakata, Kouichi Yasukata