Patents by Inventor Yasuhi Tanaka

Yasuhi Tanaka 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 HAVING SUPERIOR DUCTILITY AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20090214892
    Abstract: A high strength steel sheet and a method for manufacturing the same has superior phosphatability properties and hot-dip galvannealed properties besides a tensile strength of 950 MPa or more and a high ductility, and also having a small variation in mechanical properties with the change in annealing conditions.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 27, 2009
    Applicants: JFE Steel Corporation, a corporation of Japan, ThyssenKrupp Steel AG, a corporation of Germany
    Inventors: Kenji Kawamura, Taro Kizu, Shusaku Takagi, Kohei Hasegawa, Hiroshi Matsuda, Akio Kobayashi, Yasunobu Nagataki, Yasuhi Tanaka, Thomas Heller, Brigitte Hammer, Jian Bian, Gunter Stich, Rolf Bode