Patents by Inventor Akio Onozawa

Akio Onozawa 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).

  • Foot warmer
    Patent number: D529619
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: October 3, 2006
    Assignee: Takachiho Overseas, Inc.
    Inventor: Akio Onozawa