Patents by Inventor Yukio Wakabayashi

Yukio Wakabayashi 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