Patents by Inventor Hirobumi Otaguro

Hirobumi Otaguro 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).

  • Fiber reinforced cement mortar product
    Patent number: 4910076
    Abstract: Cement mortar matrix and product are formed which are reinforced with a resin-impreganted twist-woven (Karami-ori) network of fibers which are oriented in the cement mortar in the direction of the maximum tensile stress yielded by the bending moment.
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: March 20, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Tatsuo Ando, Takeshi Ikeda, Hiromichi Sakai, Hirobumi Otaguro, Takeo Sawanobori