Patents by Inventor Masaru Yamazaki

Masaru Yamazaki 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).

  • Pick-up tube having photoconductor on zinc oxide layer
    Patent number: 4025815
    Abstract: In a television pickup tube, a target comprises a photo-conductive material such as antimony trisulfide, amorphous selenium or the like arranged on a transparent zinc oxide layer which is formed adjacent to a transparent electrode on a transparent faceplate or substrate. The transparent electrode may be etched so as to form a pair of electrodes each connected to a signal deriving terminal in the case where the target structure is for a color television pickup tube.
    Type: Grant
    Filed: June 13, 1975
    Date of Patent: May 24, 1977
    Assignee: Sony Corporation
    Inventors: Hiromichi Kurokawa, Haruhiko Okada, Masaru Yamazaki