Patents by Inventor Seiichi Muramatsu

Seiichi Muramatsu 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).

  • Structure of multipurpose suspended roof arena capable of changing space volume and construction method thereof
    Patent number: 5622013
    Abstract: A multipurpose arena with a suspended roof and an interior which can be adjusted to accommodate events requiring different space arrangements. The roof is made of sections suspended between opposed supporting pylons and assumes a catenary shape. Rail-mounted, motor-driven, stands can be shifted from place to place depending on the event or events being catered. Partitions divide the arena into separate private compartments wherein separate events can be held simultaneously in each compartment.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: April 22, 1997
    Assignee: Kajima Corporation
    Inventors: Shigeru Ban, Masaru Ozaki, Arata Yoshida, Masahiro Hanyu, Takeshi Miyazaki, Seiichi Muramatsu, Haruji Tsubota, Naoya Sasaki