Patents by Inventor Mayumi Tsuboi

Mayumi Tsuboi 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).

  • Solid polymer electrolyte composition
    Patent number: 4798773
    Abstract: A solid electrolyte composition having a high ion conductivity, comprising a monomer component and an electrolyte salt compound. This composition can suitably be used as electrolytes for solid electrolyte galvanic cells, ECD elements, etc.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: January 17, 1989
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Eiki Yasukawa, Kunio Kihara, Mayumi Tsuboi