Patents by Inventor Shigetoshi Matsumoto

Shigetoshi Matsumoto 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).

  • Tubular permselective membrane module and method
    Patent number: 4326960
    Abstract: Module and method for providing a safe treatment of noncondutive organic solutions containing inflammable solvents by passing such solutions under pressure through electrically conductive perforated tubes supporting membrane assemblies therein and being grounded through the case of the module.
    Type: Grant
    Filed: August 14, 1980
    Date of Patent: April 27, 1982
    Assignee: Nitto Electric Industrial Company Ltd.
    Inventors: Hiroshi Iwahori, Shigetoshi Matsumoto