Patents by Inventor Tuyoshi Koni

Tuyoshi Koni 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).

  • Patent number: 4345612
    Abstract: An apparatus for supplying a mixture of oxygen and an anesthetic gas at a predetermined flow rate and mixture ratio. The flow rate and mixture ratio are controlled by means of electrically operated throttle valves, responsive to output signals from an electronic control system, generated in accordance with data stored in the control system and with input signals applied to the computer from means for sensing the flow rates of the oxygen and anesthetic gas. Desired flow rate and mixture ratio data may be input by using a numeric keyboard, and are digitally displayed.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: August 24, 1982
    Assignee: Citizen Watch Company Limited
    Inventors: Tuyoshi Koni, Yoshihisa Urushida, Akira Tsuzuki