Patents by Inventor Yuuichi SHIMAZAKI

Yuuichi SHIMAZAKI 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 sponge and cleaning method
    Patent number: 10870132
    Abstract: A sponge roller is made of a polyvinyl acetal porous resin material having elasticity in a wet state, includes a roller in an approximate cylinder form and a plurality of protrusions formed integrally on an outer peripheral surface of the roller, and rotates the multiple protrusions to make contact with a surface to be cleaned so as to clean the surface. The polyvinyl acetal porous resin material constituting the sponge roller contains a cationic functional group.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 22, 2020
    Inventors: Yuuichi Shimazaki, Tadashi Kawaguchi, Hidehiko Tsukada
  • CLEANING SPONGE AND CLEANING METHOD
    Publication number: 20170354995
    Abstract: A sponge roller is made of a polyvinyl acetal porous resin material having elasticity in a wet state, includes a roller in an approximate cylinder form and a plurality of protrusions formed integrally on an outer peripheral surface of the roller, and rotates the multiple protrusions to make contact with a surface to be cleaned so as to clean the surface. The polyvinyl acetal porous resin material constituting the sponge roller contains a cationic functional group.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Inventors: Yuuichi SHIMAZAKI, Tadashi KAWAGUCHI, Hidehiko TSUKADA
  • CLEANING SPONGE AND CLEANING METHOD
    Publication number: 20160193631
    Abstract: A sponge roller is made of a polyvinyl acetal porous resin material having elasticity in a wet state, includes a roller in an approximate cylinder form and a plurality of protrusions formed integrally on an outer peripheral surface of the roller, and rotates the multiple protrusions to make contact with a surface to be cleaned so as to clean the surface. The polyvinyl acetal porous resin material constituting the sponge roller contains a cationic functional group.
    Type: Application
    Filed: January 19, 2016
    Publication date: July 7, 2016
    Inventors: Yuuichi SHIMAZAKI, Tadashi KAWAGUCHI, Hidehiko TSUKADA