Patents by Inventor Nobuhito Fujita

Nobuhito Fujita 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).

  • Patent number: 3993787
    Abstract: A molding machine for producing products of a rubber-like resilient material, particularly oil seals in which a first mold part is stationarily supported in axial spaced relation to a main base, a base between the main base and first mold part is axially movable toward and away from the first mold part and supports a second complementary mold part, a holder between and axially spaced from the first and second mold parts is mounted for limited axial movement and rotary movement in a plane parallel to the first and second mold parts, with the holder carrying two diametrically opposite further mold parts spaced apart an equal distance from the axis of the rotary movement and one of the further mold parts being in substantially registry with the first and second mold parts so that movement of the base relative to the holder brings the second mold part into operative relation to the one further mold part and continued movement of the movable base moves the holder toward the first mold part until the first mold par
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: November 23, 1976
    Assignee: Nippon Oil Seal Industry Co., Ltd.
    Inventors: Hirotomo Nakabayashi, Kikuo Ohura, Nobuhito Fujita, Shintaro Miyakawa, Tukasa Saito, Makoto Higuchi