Patents by Inventor David Ferdinand Cahen

David Ferdinand Cahen 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: 4064326
    Abstract: Novel devices for the direct conversion of visible light to electricity, termed Photo Electrochemical Cell (PEC), said PEC comprising as one electrode a semiconductor of the n- or p- type of suitably wide bandgap for efficient utilization of solar energy in combination with an additional electrode and an electrolyte comprising a chalcogenide redox couple; according to a preferred embodiment, the additional electrode being a storage electrode adapted to supply converted energy as electricity when the photoelectrode is not illuminated.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: December 20, 1977
    Assignee: Yeda Research & Development Co. Ltd.
    Inventors: Joost Manassen, Gary Hodes, David Ferdinand Cahen