Patents by Inventor Kazushiro Fukushima

Kazushiro Fukushima 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).

  • Measuring equipment
    Patent number: 7847931
    Abstract: A measuring equipment utilizing terahertz pulse light, includes: a terahertz light generator that generates terahertz pulse light; a terahertz light detector that detects terahertz pulse light; a first condensing optical system that condenses the terahertz pulse light generated by the terahertz light generator; and a second condensing optical system that condenses the terahertz pulse light diverging after being condensed by the first condensing optical system, onto the terahertz light detector. A sample is arranged in a vicinity of a position of condensing the terahertz pulse light by the first condensing optical system; and at least one of the first and the second condensing optical systems includes at least one optical device having a positive or negative refractive power.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: December 7, 2010
    Assignees: Tochigi Nikon Corporation, Nikon Corporation
    Inventors: Naoki Tsumura, Kazushiro Fukushima
  • Measuring Equipment
    Publication number: 20080013071
    Abstract: A measuring equipment utilizing terahertz pulse light, includes: a terahertz light generator that generates terahertz pulse light; a terahertz light detector that detects terahertz pulse light; a first condensing optical system that condenses the terahertz pulse light generated by the terahertz light generator; and a second condensing optical system that condenses the terahertz pulse light diverging after being condensed by the first condensing optical system, onto the terahertz light detector. A sample is arranged in a vicinity of a position of condensing the terahertz pulse light by the first condensing optical system; and at least one of the first and the second condensing optical systems includes at least one optical device having a positive or negative refractive power.
    Type: Application
    Filed: November 1, 2005
    Publication date: January 17, 2008
    Applicant: TOCHIGI NIKON CORPORATION
    Inventors: Naoki Tsumura, Kazushiro Fukushima