Patents by Inventor Shiichi Niwa

Shiichi Niwa 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 electrolyte capacitor
    Patent number: 4580855
    Abstract: In a solid electrolyte capacitor with a solid electrolyte, an improvement wherein the solid electrolyte is the one obtained by cooling a 7,7,8,8-tetracyanoquinodimethane salt in a liquid state for solidification, the 7,7,8,8-tetracyanoquinodimethane salt being so stable in a liquid state as not substantially decomposing for a sufficient period of time from completion of its liquefaction.
    Type: Grant
    Filed: April 13, 1982
    Date of Patent: April 8, 1986
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Shiichi Niwa