Patents by Inventor Nozumu Kitajima

Nozumu Kitajima 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).

  • Patent number: D573151
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: July 15, 2008
    Assignees: Mitsui Mining & Smelting Co., Ltd., Kyunshu Seimitsu Kiki Co., Ltd.
    Inventors: Masao Kawauchi, Tomonori Noda, Shuichi Yamamoto, Nozumu Kitajima