Patents by Inventor Akihito Kishi

Akihito Kishi 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).

  • Infrared-to-visible converter
    Patent number: 5438198
    Abstract: An IR-to-visible converter for a solid-state image converting device including a photoconductive layer and an electroluminescent layer is sensitive to 1.5 .mu.m region IR rays and can convert such IR rays with high efficiency into visible light perceivable even in a well-lighted room. The IR-to-visible converter is characterized by using an IR to visible upconversion phosphors layer which has emission peaks in the sensitive wavelength region of the photoconductor layer, the IR to visible upconversion phosphors layer being optically combined with photoconductive layer.
    Type: Grant
    Filed: May 3, 1994
    Date of Patent: August 1, 1995
    Assignee: Nichia Chemical Industries, Ltd.
    Inventors: Masuyuki Ebitani, Toshifumi Tominaga, Akihito Kishi