Patents Assigned to Kyunshu Seimitsu Kiki Co., Ltd.
  • 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