Patents Assigned to Suwanetsu Kogyo Co., Ltd.
  • Electric joining method and apparatus and a joined unit of members
    Patent number: 6899265
    Abstract: Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining process.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: May 31, 2005
    Assignees: Sumitomo Coal Mining Co., Ltd., Suwanetsu Kogyo Co., Ltd.
    Inventors: Yoshito Miyasaka, Masao Tokita, Hitoshi Karasawa, Fumitake Nishiyama
  • Electric joining method and apparatus and a joined unit of members
    Patent number: 6515250
    Abstract: Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining process.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: February 4, 2003
    Assignees: Sumitomo Coal Mining Co., Ltd., Suwanetsu Kogyo Co., Ltd.
    Inventors: Yoshito Miyasaka, Masao Tokita, Hitoshi Karasawa, Fumitake Nishiyama