Patents by Inventor Akihiro Uenishi

Akihiro Uenishi 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).

  • High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof
    Patent number: 6544354
    Abstract: The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel sheets to be used for shaping and working into such parts to front side members which absorb impact energy upon collision, as well as a method for their production.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: April 8, 2003
    Assignee: Nippon Steel Corporation
    Inventors: Osamu Kawano, Junichi Wakita, Yuzo Takahashi, Hidesato Mabuchi, Manabu Takahashi, Akihiro Uenishi, Yukihisa Kuriyama, Riki Okamoto, Yasuharu Sakuma
  • Ferritic steel sheet excellent at strain rate sensitivity of the flow stress, and automobile utilizing it
    Patent number: 6432228
    Abstract: The present invention provides a ferritic steel sheet, the quasi-static strength of which is enhanced and further the dynamic strength of which is not lowered. There is provided a ferritic steel sheet excellent at strain rate sensitivity characterized in that: Co and/or Cr are contained at pot less than 0.01 mass % and not more than 4.0 mass % in total in the state of solid solution in the ferrite phase.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: August 13, 2002
    Assignee: Nippon Steel Corporation
    Inventors: Akihiro Uenishi, Yukihisa Kuriyama
  • High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same
    Patent number: 6319338
    Abstract: The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel materials, to be used for shaping and working into such parts as front side members of automobiles which absorb impact energy upon collision, as well as a method for their production.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: November 20, 2001
    Assignee: Nippon Steel Corporation
    Inventors: Osamu Kawano, Yuzo Takahashi, Junichi Wakita, Hidesato Mabuchi, Manabu Takahashi, Akihiro Uenishi, Riki Okamoto, Yukihisa Kuriyama, Yasuharu Sakuma