Patents by Inventor Takahashi Katsuhiro

Takahashi Katsuhiro 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).

  • Method of forming lead storage batteries
    Patent number: 4475990
    Abstract: This invention relates to a method of forming a lead acid storage battery comprising a primary forming stage wherein pasted electrodes as immersed in an electrolyte selected from the group consisting of alkaline aqueous solutions, neutral aqueous solutions and dilute aqueous sulfuric acid solutions are charged for a short time and a secondary forming stage where said electrodes are further charged in a concentrated aqueous solution of sulfuric acid. The method contributes to improvements in the high rate discharge characteristic and cycle life characteristic of the battery.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: October 9, 1984
    Assignee: Matsushita Electrical Industrial Co., Ltd.
    Inventors: Takahashi Katsuhiro, Watanabe Keiichi, Jinbo Hiroyuki, Hoshihara Naoto