Patents by Inventor Ayana Uchiyama

Ayana Uchiyama 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).

  • Ballpoint pen
    Patent number: D647137
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: October 18, 2011
    Assignee: Zebra Co., Ltd.
    Inventor: Ayana Uchiyama
  • Ballpoint pen
    Patent number: D660911
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: May 29, 2012
    Assignee: Zebra Co., Ltd.
    Inventor: Ayana Uchiyama
  • Ballpoint pen
    Patent number: D667882
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: September 25, 2012
    Assignee: Zebra Co., Ltd.
    Inventors: Ayana Uchiyama, Masanao Shiina