Patents by Inventor Yuzo Ueda

Yuzo Ueda 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).

  • Biological indicator
    Patent number: 5759848
    Abstract: Described is a biological indicator which comprises an indicator microorganism and a film which allows the permeation of a sterilizing gas but does not allow the permeation of the microorganism, said microorganism having been wrapped with the film.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: June 2, 1998
    Assignee: Fujiyakuhin Co., Ltd.
    Inventors: Jinko Nagoshi, Yuzo Ueda, Naotake Eidai, Yukio Wakabayashi, Toshihiro Nogami
  • Truck for firing furnace
    Patent number: 4969818
    Abstract: A truck running on a rail laid in the firing furnace comprises a metallic frame body and a refractory base assembled thereon. At least an outside portion of the refractory base is comprised of car-top bricks each provided at its inward lower part with a foot portion and refractory base bricks located beneath the car-top bricks each provided with an engage portion engaging with a foot portion.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: November 13, 1990
    Assignee: NGK Insulators, Ltd.
    Inventors: Yuzo Ueda, Keiji Yasuda