Patents by Inventor Tetsukazu Yashima

Tetsukazu Yashima 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).

  • Sheathing material for a construction machine and method for producing the same
    Patent number: 6485088
    Abstract: Disclosed is a sheathing material for a construction machine and a method for producing the same, in which lightweighting can be attained without using a reinforcing member, and which is not greatly flexed even if a load is applied. The sheathing material for a construction machine which is lightweighted and has a flexure rigidity is obtained by molding a resined shell 1d having a hollow construction by rotational molding, filling a resin foamed body 1e such as a hard polyurethane foam within the resined shell 1d to set it, thereby providing a sandwiching construction, and adjusting filling density of the resin foamed body 1e.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: November 26, 2002
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Isao Miyachi, Shintaro Sakitani, Kazutaka Yamachi, Tetsukazu Yashima