Patents by Inventor Masao Ishizuka

Masao Ishizuka 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: 5896564
    Abstract: There is provided a mechanism for attaching and detaching a portable cordless telephone in a motor vehicle, the mechanism comprising: a holder capable of holding the portable cordless telephone and pivotable from its inmost position in the mechanism to its maximum outwardly projected position; a spring device enabling the holder together with the portable cordless telephone to pivot towards their outwardly projected positions: a lock/unlock device provided for locking/unlocking the holder and the portable cordless telephone on the mechanism. When the holder and the portable cordless telephone are released from their locked conditions by an action of the lock/unlock device, the holder will be pressed by the above spring device, so that the holder together with the portable cordless telephone may pivot outwardly until the holder arrives at its maximum outwardly projected position.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: April 20, 1999
    Assignee: Pioneer Electronic Corporation
    Inventors: Tomoyuki Akama, Masao Ishizuka, Masayo Iida
  • Patent number: 4389354
    Abstract: A carburetor for internal combustion engines having a by-pass port for supplying a pilot fuel to an intake passage includes an electric heater disposed adjacent the by-pass port for heating the latter and a heat-insulating material partially covering the electric heater, whereby the heater is partially exposed from the heat-insulating material to locally heat the by-pass port in a quick and effective manner.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: June 21, 1983
    Assignee: Mikuni Kogyo Kabushiki Kaisha
    Inventors: Haruo Endou, Masao Ishizuka