Patents by Inventor Nobuhisa MATSUSHIGE

Nobuhisa MATSUSHIGE 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).

  • CLEANING METHOD OF MEMBRANE FILTRATION SYSTEM AND MEMBRANE FILTRATION SYSTEM
    Publication number: 20230092095
    Abstract: A cleaning method of a membrane filtration system in which a plurality of modules including an inlet side region and an outlet side region separated by a filtration membrane are connected in parallel by a common blow header pipe in the inlet side region, the method including backwashing and blowing in which after the backwashing is started, gas is introduced into the plurality of modules through a blow header pipe. The method further includes forming, before the blowing is started, a gas layer across an entire longitudinal direction of the blow header pipe.
    Type: Application
    Filed: October 6, 2020
    Publication date: March 23, 2023
    Applicant: METAWATER Co., Ltd.
    Inventors: Hideki KOZONO, Nobuhisa MATSUSHIGE