Patents by Inventor Takao Itose

Takao Itose 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).

  • Device and method for detecting leakage of filter film
    Patent number: 6065329
    Abstract: An apparatus for detecting leakage through a filtration membrane which comprises a gas-supplying source for supplying a gas to one of two spaces formed by partition with the filtration membrane, a gas-detecting device for measuring the degree of leakage of the gas into the other space, and further preventing the undesirable influence of the supplied gas on the gas-detecting device.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: May 23, 2000
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Seiji Fukada, Takao Itose