Patents by Inventor Masanobu Fuji

Masanobu Fuji 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).

  • Large lightweight gypsum article and a process for the production thereof
    Patent number: 4018963
    Abstract: A large lightweight gypsum article comprising anhydrous or hemihydrous gypsum, ettringite, reinforcing members, and, if necessary, fibers and/or light-weight aggregate.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: April 19, 1977
    Assignee: Taisei Kensetsu Kabushiki Kaisha
    Inventors: Masanobu Fuji, Kuniomi Suzuki