Patents by Inventor Syuji Sonoi

Syuji Sonoi 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).

  • Dental polishing article which contains spherical resin particles
    Patent number: 8070842
    Abstract: The present invention provides a dental polishing article having excellent polishability, which can polish dental composite resin, porcelain, dental restorative and prosthetic materials and teeth at a low cost, conveniently in a short time. More specifically, the present invention provides a dental polishing article which comprises a polishing portion formed by compounding polishing grains in an elastomer binder, and the polishing portion further comprising spherical resin particles.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: December 6, 2011
    Assignee: Kabushiki Kaisha Shofu
    Inventors: Syuji Sonoi, Osamu Asao
  • Dental polishing article which contains spherical resin particles
    Publication number: 20090068614
    Abstract: The present invention provides a dental polishing article having excellent polishability, which can polish dental composite resin, porcelain, dental restorative and prosthetic materials and teeth at a low cost, conveniently in a short time. More specifically, the present invention provides a dental polishing article which comprises a polishing portion formed by compounding polishing grains in an elastomer binder, and the polishing portion further comprising spherical resin particles.
    Type: Application
    Filed: May 10, 2006
    Publication date: March 12, 2009
    Applicant: Kabushiki Kaisha Shofu
    Inventors: Syuji Sonoi, Osamu Asao