Patents by Inventor Yoshinori Kuroiwa

Yoshinori Kuroiwa 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).

  • Patent number: 7330257
    Abstract: An object is to provide a spectroscope and a spectrum laser microscope capable of carrying out sensitivity correction of a multi-channel photodetector with real time. The spectrum laser microscope 100 includes a laser microscope 101 and a spectral analyzer 103 having a multi-channel photodetector 13 composed of a plurality of photodetectors 13i for detecting spectral distribution of the light from the laser microscope 101. Sensitivity fluctuation of the plurality of photodetectors 13i is calculated from a first luminance data detected before shifting relative position between the spectra and the multi-channel photodetector 13 and a second luminance data detected after shifting. Then, the first luminance data or the second luminance data is corrected.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: February 12, 2008
    Assignee: Nikon Corporation
    Inventors: Yoshinori Kuroiwa, Hisashi Okugawa
  • Patent number: 7193224
    Abstract: A scanning microscope includes: a light source; an optical system that irradiates light from the light source onto a sample while two-dimensionally scanning the light, and collects light from the sample; a photo-detector that receives the light from the sample which has been collected by the optical system, and converts the light thus received into a brightness signal; an integrating circuit that integrates the brightness signal from the photo-detector for each pixel; and an image forming circuit that forms an image of the sample based upon the brightness signal of each pixel integrated by the integrating circuit. And the integrating circuit includes a plurality of integrators for integrating the brightness signal from the photo-detector and an adder for adding output signals from the plurality of integrators, and integrates the brightness signal while sequentially switching the plurality of integrators for each of a plurality of periods obtained by dividing a period corresponding to a pixel.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: March 20, 2007
    Assignee: Nikon Corporation
    Inventors: Yoshinori Kuroiwa, Shinichi Tanaka
  • Publication number: 20060038996
    Abstract: An object is to provide a spectroscope and a spectrum laser microscope capable of carrying out sensitivity correction of a multi-channel photodetector with real time. The spectrum laser microscope 100 includes a laser microscope 101 and a spectral analyzer 103 having a multi-channel photodetector 13 composed of a plurality of photodetectors 13i for detecting spectral distribution of the light from the laser microscope 101. Sensitivity fluctuation of the plurality of photodetectors 13i is calculated from a first luminance data detected before shifting relative position between the spectra and the multi-channel photodetector 13 and a second luminance data detected after shifting. Then, the first luminance data or the second luminance data is corrected.
    Type: Application
    Filed: August 22, 2005
    Publication date: February 23, 2006
    Inventors: Yoshinori Kuroiwa, Hisashi Okugawa
  • Publication number: 20060033918
    Abstract: A scanning microscope includes: a light source; an optical system that irradiates light from the light source onto a sample while two-dimensionally scanning the light, and collects light from the sample; a photo-detector that receives the light from the sample which has been collected by the optical system, and converts the light thus received into a brightness signal; an integrating circuit that integrates the brightness signal from the photo-detector for each pixel; and an image forming circuit that forms an image of the sample based upon the brightness signal of each pixel integrated by the integrating circuit. And the integrating circuit includes a plurality of integrators for integrating the brightness signal from the photo-detector and an adder for adding output signals from the plurality of integrators, and integrates the brightness signal while sequentially switching the plurality of integrators for each of a plurality of periods obtained by dividing a period corresponding to a pixel.
    Type: Application
    Filed: August 10, 2005
    Publication date: February 16, 2006
    Inventors: Yoshinori Kuroiwa, Shinichi Tanaka
  • Patent number: 5668644
    Abstract: A video clock signal generator comprises: a light beam source; a mask having opposite ends spaced by a predetermined distance; a vibration scanner for reflecting the light beam and forming a light spot vibrating on the mask beyond the opposite ends thereof; a detector for generating an output signal representing optical information from the mask; a counter for counting a time required for the light spot to cross the opposite ends of the mask based on the output signal of the detector; and a control unit for controlling an amplitude of the scanner mirror in accordance with the time counted by the counter.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: September 16, 1997
    Assignee: Nikon Corporation
    Inventors: Yoshinori Kuroiwa, Hiroshi Nishida, Hisashi Okugawa
  • Patent number: 5446556
    Abstract: A video clock signal generator comprises: means for supplying a light beam; a mask having opposite ends spaced by a predetermined distance; a vibration scanner for reflecting the light beam and forming a light spot vibrating on the mask beyond the opposite ends thereof; a detector for generating an output signal representing optical information from the mask; a counter for counting a time required for the light spot to cross the opposite ends of the mask based on the output signal of the detector; and a control unit for controlling an amplitude of the scanner mirror in accordance with the time counted by the counter.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: August 29, 1995
    Assignee: Nikon Corporation
    Inventors: Yoshinori Kuroiwa, Hiroshi Nishida, Hisashi Okugawa, Yutaka Ichihara, Satoru Kumagai