Patents by Inventor Shiko Kodama

Shiko Kodama 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).

  • Cold-pressure welding method and metal product welded by the method
    Patent number: 7677430
    Abstract: A welded metal product includes a first metal plate having a first surface and a second surface opposed to the first surface; and a second metal plate being cold-pressure welded with the second surface of the first metal plate by directly pressing the first metal plate with the die. The first surface has a recess portion which is deformed by directly pressing with a die. A hardness of the first metal plate is greater than a hardness of the second metal plate.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: March 16, 2010
    Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd., Sumiden Asahi Industries, Ltd.
    Inventors: Kunihiko Watanabe, Toshiaki Suzuki, Shiko Kodama
  • Cold-pressure welding method and metal product welded by the method
    Publication number: 20060016859
    Abstract: A welded metal product includes a first metal plate having a first surface and a second surface opposed to the first surface; and a second metal plate being cold-pressure welded with the second surface of the first metal plate by directly pressing the first metal plate with the die. The first surface has a recess portion which is deformed by directly pressing with a die. A hardness of the first metal plate is greater than a hardness of the second metal plate.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 26, 2006
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMIDEN ASAHI INDUSTRIES, LTD.
    Inventors: Kunihiko Watanabe, Toshiaki Suzuki, Shiko Kodama