Patents by Inventor Kazuhiro Nakamitsu

Kazuhiro Nakamitsu 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).

  • Organic elecrolyte secondary cell
    Patent number: 5672445
    Abstract: The present invention provides a lithium secondary cell containing a positive electrode including a material which occludes and exudes lithium; a negative electrode containing a negative material including graphite; and a separator disposed between the positive and negative electrodes; wherein the quantity of lithium occluded in the negative material in a fully-charged state is less than 55% of the theoretical lithium occlusion capacity of the negative electrode.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: September 30, 1997
    Assignee: Japan Storage Battery Co., Ltd.
    Inventors: Kazuhiro Nakamitsu, Hisashi Tukamoto, Shigeo Komatsu, Toshimichi Nakamura