Patents by Inventor Junko Ohshida

Junko Ohshida 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 electrolyte electrochemical cell comprising high Ni austenitic stainless steel positive electrode case
    Patent number: 5478670
    Abstract: A non-aqueous electrolyte electrochemical cell comprises a negative electrode, a positive electrode, a non-aqueous electrolyte, a positive electrode case and a negative electrode case. The positive electrode case comprises a high-grade corrosion resistibility stainless steel having a pitting index between 30.5 and 45, the pitting index being calculated by the formula Cr %+3.times.Mo %+16.times.N %. An enhanced pressure sealed electrochemical cell can be manufactured in which the production cost of the positive electrode case is reduced and the productivity of the electrochemical cell improved by suppression of anodic oxidation of the positive electrode case.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: December 26, 1995
    Assignee: Seiko Electronic Components, Ltd.
    Inventors: Toyoo Hayasaka, Toyoo Harada, Tsugio Sakai, Junko Ohshida