Patents by Inventor Nobuaki Ohno

Nobuaki Ohno 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).

  • Optical-modulation-type sensor and process instrumentation apparatus employing the same
    Patent number: 5698847
    Abstract: An optical-modulation-type sensor comprises an input condenser lens for collecting light from a light source, a polarizer for linearly polarizing the light from the input condenser lens, a light-transmissive piezo-oscillator which is provided with an oscillator circuit and to which the linearly polarized light is introduced from the polarizer, an analyzer for linearly polarizing the light from the piezo-oscillator, and an output condenser lens for converging the linearly polarized light from the analyzer.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: December 16, 1997
    Assignee: Kabushuki Kaisha Toshiba
    Inventors: Masaki Yoda, Tatsuyuki Maekawa, Shigeru Suzuki, Nobuaki Ohno