Patents by Inventor Masashi ZENKI

Masashi ZENKI 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).

  • Microorganism immobilized carrier
    Patent number: 11518698
    Abstract: [Problem] A microorganism immobilized carrier is provided that is easy for microorganisms to adhere to, and is able to reduce the manufacturing cost of the microorganism immobilized carrier and the running cost of an apparatus that uses the microorganism immobilized carrier. [Solution] A microorganism immobilized carrier is characterized by including a carbon component and a resin, having a zeta potential of from ?25 mV to 0 mV, and containing microorganisms adhered to a surface thereof and/or an interior thereof. The microorganisms are preferably nitrifying bacteria. The carbon component preferably has a particle size of from 1 ?m to 1000 ?m.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: December 6, 2022
    Assignee: TOYO TANSO CO., LTD.
    Inventors: Masashi Zenki, Tetsuro Tojo, Masatoshi Takeshita, Tomoya Nakazono, Ai Ishikawa
  • MICROORGANISM IMMOBILIZED CARRIER
    Publication number: 20210171373
    Abstract: [Problem] A microorganism immobilized carrier is provided that is easy for microorganisms to adhere to, and is able to reduce the manufacturing cost of the microorganism immobilized carrier and the running cost of an apparatus that uses the microorganism immobilized carrier. [Solution] A microorganism immobilized carrier is characterized by including a carbon component and a resin, having a zeta potential of from ?25 mV to 0 mV, and containing microorganisms adhered to a surface thereof and/or an interior thereof. The microorganisms are preferably nitrifying bacteria. The carbon component preferably has a particle size of from 1 ?m to 1000 ?m.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 10, 2021
    Inventors: Masashi ZENKI, Tetsuro TOJO, Masatoshi TAKESHITA, Tomoya NAKAZONO, Ai ISHIKAWA