Patents by Inventor Ono Nobuhiro

Ono Nobuhiro 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).

  • Lightweight and dimensionally accurate resin concrete molded products
    Patent number: 4463041
    Abstract: A lightweight and highly dimensionally accurate molded resin concrete product essentially comprises an intermediate layer composed of resin concrete having a resin content of about 10 to 70%, and a thickness which is not greater than 20/1,000 of its maximum length, and a pair of reinforcing layers composed of a fiber reinforced plastic, and between which the resin concrete layer is sandwiched. The product having a very small wall thickness, and high hot water resistance is particularly useful as a bathtub, or the like. Disclosed also is a method of making such a molded resin concrete product.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: July 31, 1984
    Assignee: Ina Seito Co., Ltd.
    Inventors: Koyanagi Takuji, Ono Nobuhiro, Kitamura Hiroyuki