Patents by Inventor Shoichi Soma

Shoichi Soma 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).

  • ROLLER STAMP
    Publication number: 20130298789
    Abstract: Disclosed is a roller stamp with a stamp face roller that configures a stamp face, an inner case that fixes the roller with the ability to rotate, an outer case that fixes the inner case on one end and that configures a handgrip, a cap that tightly seals the roller, and a volatile ink that is impregnated on the stamp face of the roller. The disclosed roller stamp can stamp on even a coated paper that does not allow permeation by an ink solvent.
    Type: Application
    Filed: February 5, 2013
    Publication date: November 14, 2013
    Applicant: PLUS Corporation
    Inventors: Shoichi Soma, Hideyuki Kitamura
  • Roller stamp
    Patent number: D668713
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: October 9, 2012
    Assignee: Plus Corporation
    Inventors: Hideyuki Kitamura, Satoru Ono, Jun Ushijima, Shoichi Soma, Mizuki Hara
  • Roller stamp
    Patent number: D679317
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: April 2, 2013
    Assignee: Plus Corporation
    Inventors: Satoru Ono, Hideyuki Kitamura, Shoichi Soma