Patents by Inventor Yuiichi Yamada

Yuiichi Yamada 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).

  • MAGNESIUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME
    Publication number: 20090056837
    Abstract: The present invention provides a magnesium alloy material excellent in high mechanical characteristics without using special manufacturing facilities or processes and a method for manufacturing the magnesium alloy material. The magnesium alloy material is an Mg—Zn—RE alloy containing Zn as an essential component, at least one of Gd, Tb, and Tm as RE, and the rest including Mg and unavoidable impurities and contains a needle-like precipitate or a board-like precipitate (lengthy precipitate: X-phase=?-phase, ??-phase, and ?1-phase).
    Type: Application
    Filed: March 20, 2007
    Publication date: March 5, 2009
    Applicants: Nissan Motor Co., Ltd.,, National University Corp. Kumamoto University
    Inventors: Mamoru Nakata, Yuiichi Yamada, Koji Itakura, Takahiro Mibe, Yoshio Okada, Yoshihito Kawamura, Michiaki Yamasaki