Patents by Inventor Ryosuke Wake

Ryosuke Wake 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).

  • Coating composition capable of forming alkali-soluble lubricating film suitable for forming and use thereof
    Patent number: 6797770
    Abstract: A coating composition capable of forming an alkali-soluble lubricating film, which contains as main components an aqueous polyurethane composition (A) and a lubricating functionality-providing agent (B) at 1-30 wt % with respect to the solid content of the aqueous polyurethane composition, having excellent press moldability and scratch resistance, as well as lubricating surface treated metal articles with excellent press moldability and scratch resistance, that are coated with the coating composition to a dry film thickness of 0.5-5 &mgr;m. The coating composition preferably further contains as a main component silica particles (C) in an amount of 1-30 wt % with respect to the solid content of the aqueous polyurethane composition.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: September 28, 2004
    Assignees: Nippon Steel Corporation, Mitsui Takeda Chemicals, INC
    Inventors: Yoichiro Mori, Makoto Yamasaki, Masahiro Fuda, Ryosuke Wake, Tsutomu Tawa, Chikako Kouda, Fumiaki Hirata