Patents by Inventor Kazuaki Kumagai

Kazuaki Kumagai 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).

  • Drain basket retainable on sink
    Patent number: D514764
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: February 7, 2006
    Assignee: Kanei Kogyo Kabushiki Kaisha
    Inventor: Kazuaki Kumagai