Patents by Inventor Niro Ueno

Niro Ueno 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: 3952963
    Abstract: A cylindrical winding core for carrying a roll of elongated flexible material, the core having an anti-slack flexible member and being capable of adapting to rolls of different inner diameters. The core can be advantageously used for preventing a roll of paper strip or tape such as paper punch tapes used in electronic computers from slackening.
    Type: Grant
    Filed: October 4, 1974
    Date of Patent: April 27, 1976
    Assignees: Mitsui Toatsu Chemicals, Incorporated, Topacs, Incorporation
    Inventors: Niro Ueno, Ippei Shiraishi