Patents by Inventor Hajime Asahara

Hajime Asahara 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).

  • Metallic material
    Patent number: 6613451
    Abstract: Ni alloy or Cu alloy containing P and/or B is plated on a base metal consisting of Cu or Cu alloy as an intermediate layer, Sn or Sn alloy is further plated on the content of P or B in the plating layer is limited by carrying out reflow treatment, whereby, heat resistance and insertion and withdrawal properties are improved.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: September 2, 2003
    Assignee: Nippon Mining & Metals Co., Ltd.
    Inventors: Hajime Asahara, Kazuhiko Fukamachi