Patents by Inventor Don Akira Tanaka

Don Akira Tanaka 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).

  • Variable resistance pulmonary ventilation bypass valve and method
    Patent number: 7406963
    Abstract: A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating one aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter/one-way valve, an air carrying conduit and a retention device for securing system elements in position. The system also includes a flow restriction device for controlling the flow of air through the air carrying conduit.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: August 5, 2008
    Assignee: Portaero, Inc.
    Inventors: Asia Chang, Don Akira Tanaka
  • VARIABLE RESISTANCE PULMONARY VENTILATION BYPASS VALVE
    Publication number: 20080127982
    Abstract: A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating one aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter/one-way valve, an air carrying conduit and a retention device for securing system elements in position. The system also includes a flow restriction device for controlling the flow of air through the air carrying conduit.
    Type: Application
    Filed: February 12, 2008
    Publication date: June 5, 2008
    Applicant: PORTAERO, INC.
    Inventors: Asia Chang, Don Akira Tanaka
  • VARIABLE RESISTANCE PULMONARY VENTILATION BYPASS VALVE
    Publication number: 20080127983
    Abstract: A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating one aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter/one-way valve, an air carrying conduit and a retention device for securing system elements in position. The system also includes a flow restriction device for controlling the flow of air through the air carrying conduit.
    Type: Application
    Filed: February 12, 2008
    Publication date: June 5, 2008
    Applicant: PORTAERO, INC.
    Inventors: Asia Chang, Don Akira Tanaka