Patents by Inventor Tsubasa Okuzumi

Tsubasa Okuzumi 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).

  • Patent number: D650387
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: December 13, 2011
    Assignee: Kokuyo Co., Ltd.
    Inventors: Hirofumi Iwatsu, Shigehiro Kawai, Tsubasa Okuzumi