Patents by Inventor Michizumi Ito

Michizumi Ito 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).

  • Sash lock
    Patent number: D579758
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: November 4, 2008
    Assignee: YKK AP Inc.
    Inventors: Hideoki Tanaka, Naoki Yasuda, Yutaka Nakamura, Toshio Isono, Michizumi Ito, Yasuhito Hibi, Yoshitada Sakamoto, Masaki Nomura, Akira Ueda