Patents by Inventor Kikuko Miyata

Kikuko Miyata 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).

  • Electrode for secondary battery
    Patent number: 5176969
    Abstract: Disclosed is an electrode for secondary battery, which comprises lithium or an alkali metal composed mainly of lithium doped as the active substance in a carrier composed of a mixture of a carbonaceous material satisfying the following conditions (A) and an organic polymer having ion conductivity of lithium.(A) a carbonaceous material with a hydrogen/carbon (H/C) atomic ratio of less than 0.15, a spacing (d.sub.002) of the (002) plane according to the X-ray wide angle diffraction method of 3.37 to 3.75 .ANG. and a crystallite size in the c-axis direction (Lc) of 5 .ANG. or more.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: January 5, 1993
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Mitsutaka Miyabayashi, Manabu Hayashi, Eiki Yasukawa, Kikuko Miyata, Mitsumasa Kaitoh, Hiroshi Yui