Patents by Inventor Kyuji Saigusa

Kyuji Saigusa 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).

  • Polishing wheel
    Patent number: 4625466
    Abstract: A polishing wheel comprises a ribbon-like polishing cloth whose outside periphery is provided with an abrasive surface, and a flexible band which is made of foamed plastic or similar material and has the same width as that of said ribbon-like polishing cloth in one embodiment; or a high-density abrasive polishing cloth which has an abrasive face at the outside periphery thereof and is fixed to an inside of said ribbon-like polishing cloth, both being spirally wound together and fixed together by using adhesive therebetween.
    Type: Grant
    Filed: January 17, 1984
    Date of Patent: December 2, 1986
    Assignee: Sankyorikagaku Kabushiki-Kaisha
    Inventor: Kyuji Saigusa