Patents by Inventor Osamu Oohinata

Osamu Oohinata 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: 5003660
    Abstract: An applicator serving as a cosmetic accessory of the type including a core rod and a sponge portion serving as brushing means at an inner end of the core rod, the sponge portion being molded integral with the core rod and the subjected to foaming, wherein the sponge portion is provided with disconnection preventive means preferably in the form of an enlarged part molded integral with the core rod and the disconnection preventive means is coated with a rubber film so that the sponge portion is firmly connected to the core rod via the rubber film. The method of producing applicators is generally practiced by way of steps of coating the disconnection preventive means with a rubber film, molding sponge portions in a plurality of molding cavities together with the core rods fitted to a cover, foaming raw material in the molding cavities at a predetermined elevated temperature and removing the cover from the molding cavities so that the core rod and the sponge portions are removed therefrom.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: April 2, 1991
    Inventors: Osamu Oohinata, Jun Yanagida