Patents by Inventor Humiuki Kurita

Humiuki Kurita 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).

  • Toy piano
    Patent number: D255370
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: June 10, 1980
    Assignee: Emix Corporation
    Inventors: Yoshio Hayama, Humiuki Kurita, Sozen Uozumi