Patents by Inventor Shiro Ishihara

Shiro Ishihara 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 purse ring
    Patent number: D841115
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: February 19, 2019
    Assignees: NICHIMO CO., LTD., FISCO JAPAN CO., LTD., KOREA TRADING & INDUSTRIES CO., LTD.
    Inventor: Shiro Ishihara