Patents by Inventor Toshio Nagaya

Toshio Nagaya 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).

  • Culture vessel
    Patent number: 4979332
    Abstract: A culture vessel having a main body and a cover for closing the open top of the main body in which the main body and the cover are made of a thin plastic material having light transmission and heat resistance, the main body has a bottom and a low side wall for accommodating a medium, the side wall has a cover engaging portion formed on the upper end thereof, the cover has a top plate and a vertical side wall, the side wall has a main body engaging portion meshable with the main body formed on the lower end thereof, and lenses for observing, at the side wall, the interior of the vessel in a magnified image are provided on the side wall of the cover.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: December 25, 1990
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Toshio Nagaya, Shoichi Matsuda