Patents by Inventor Tatsuaki Kurosawa

Tatsuaki Kurosawa 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).

  • Steel material for underground continuous wall, method for producing steel material for underground continuous wall, underground continuous wall, and method for constructing underground continuous wall
    Patent number: 8408844
    Abstract: A steel material for an underground continuous wall equipped with a hat type steel sheet pile having a hat-shaped cross-section, and an H-beam having an H-shaped cross-section, wherein: the hat type steel sheet pile includes a web, a pair of flanges, and a pair of arm sections; the H-beam includes a pair of flange sections and a web section; an outer surface of the H-beam is secured to an outer surface of the web; the length of the H-beam is shorter than that of the hat type steel sheet pile, and an overall length of the H-beam is arranged within the length of the hat type steel sheet pile; and a rear end of the H-beam is located closer to a forward end side than a rear end of the hat type steel sheet pile.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: April 2, 2013
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Ryuuta Tanaka, Tatsuaki Kurosawa, Shinji Taenaka, Masataka Tatsuta
  • STEEL MATERIAL FOR UNDERGROUND CONTINUOUS WALL, METHOD FOR PRODUCING STEEL MATERIAL FOR UNDERGROUND CONTINUOUS WALL, UNDERGROUND CONTINUOUS WALL, AND METHOD FOR CONSTRUCTING UNDERGROUND CONTINUOUS WALL
    Publication number: 20100166508
    Abstract: A steel material for an underground continuous wall equipped with a hat type steel sheet pile having a hat-shaped cross-section, and an H-beam having an H-shaped cross-section, wherein: the hat type steel sheet pile includes a web, a pair of flanges, and a pair of arm sections; the H-beam includes a pair of flange sections and a web section; an outer surface of the H-beam is secured to an outer surface of the web; the length of the H-beam is shorter than that of the hat type steel sheet pile, and an overall length of the H-beam is arranged within the length of the hat type steel sheet pile; and a rear end of the H-beam is located closer to a forward end side than a rear end of the hat type steel sheet pile.
    Type: Application
    Filed: September 5, 2007
    Publication date: July 1, 2010
    Inventors: Ryuuta Tanaka, Tatsuaki Kurosawa, Shinji Taenaka, Masataka Tatsuta