Patents by Inventor Kazuhiro Samejima

Kazuhiro Samejima 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).

  • Printing head system
    Patent number: 4835549
    Abstract: A printing head applicable to a printer widely used as an output device of a facsimile, a computer, or the like having a printing element for generating light or heat to contribute to a printing operation and a driving circuit for supplying the printing element with a controlled energy to drive the printing element.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: May 30, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazuhiro Samejima, Masaru Ohnishi
  • Electrostatic recording method with delayed control voltage
    Patent number: 4287524
    Abstract: An electrostatic recording method using a single surface control electrostatic recording head where the control voltage pulse is delayed for a short time after the application of the recording voltage. The delay produces a potential difference large enough to prevent a decrease in the recording density due to fluctuation of temperature and humidity.
    Type: Grant
    Filed: June 12, 1979
    Date of Patent: September 1, 1981
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masaru Ohnishi, Kazuhiro Samejima