Patents by Inventor Kiyomoto Ohi

Kiyomoto Ohi 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).

  • Aeration apparatus for the culture of mammalian cells
    Patent number: 5110741
    Abstract: An aeration apparatus for the culture of mammalian cells comprises a plurality of bundles composed of thin-walled narrow tubes made of gas permeable material, a first head for introducing a gas to the bundles through a gas connector and a second head for removing gas from the bundles through a gas connector, both the first head and second head providing flow communication to and from the bundles, respectively, the apparatus being positioned in a culturing vessel so that the bundles are in a slackened state.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: May 5, 1992
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kiyomoto Ohi, Shin Shimizu