Patents by Inventor Masuzo Hirata

Masuzo Hirata 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).

  • Guard-rail reflector
    Patent number: 4191449
    Abstract: A guard-rail reflector having two reflecting planes positioned oliquely with each other, a bottom plane for connecting the reflecting planes together, one of the reflecting planes being inclined at 75.degree..+-.15.degree. with respect to the bottom plane, and the other of the reflecting planes being inclined at 65.degree..+-.15.degree. with respect to the bottom plane, whereby the reflecting planes effectively reflect light beams radiated from oncoming motor vehicles.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: March 4, 1980
    Assignee: Toyo Seikan Co., Ltd.
    Inventor: Masuzo Hirata