Patents by Inventor Ryuichirou Tamochi

Ryuichirou Tamochi 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).

  • Publication number: 20230316721
    Abstract: Provided is a microstructure evaluation system capable of detecting, based on an image of a sample, a fluctuation caused by an imaging device. A microstructure evaluation device 10 includes: a feature data extraction unit 13 configured to extract first feature data from an image captured by an imaging device 1 while changing an observation field of view on a sample 4; and a fluctuation evaluation unit 14 configured to calculate a long-term fluctuation of the first feature data, return an observation field of view to a position before occurrence of the long-term fluctuation and re-capture to acquire a re-captured image when the long-term fluctuation exceeds a predetermined criterion, and calculate a difference between the first feature data of the captured image at the position before the occurrence of the long-term fluctuation and the first feature data of the re-captured image.
    Type: Application
    Filed: May 12, 2021
    Publication date: October 5, 2023
    Inventors: Sayaka KURATA, Ryuichirou TAMOCHI
  • Patent number: 7217925
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: May 15, 2007
    Assignees: Hitachi, Ltd., Hitachi Science Systems, Ltd.
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Publication number: 20060102840
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Application
    Filed: December 22, 2005
    Publication date: May 18, 2006
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Patent number: 7009178
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: March 7, 2006
    Assignees: Hitachi, Ltd., Hitachi Science Systems, Ltd.
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Publication number: 20050178965
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Application
    Filed: April 11, 2005
    Publication date: August 18, 2005
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Patent number: 6897445
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: May 24, 2005
    Assignees: Hitachi, Ltd., Hitachi Science Systems, Ltd.
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Publication number: 20040094713
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Application
    Filed: November 12, 2003
    Publication date: May 20, 2004
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Patent number: 6713761
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: March 30, 2004
    Assignees: Hitachi, Ltd., Hitachi Science Systems, Ltd.
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma
  • Publication number: 20010054692
    Abstract: In order to provide a full-automatic scanning electron microscope which carries out investigation jobs full-automatically from fine adjustment to reviewing, the scanning electron microscope of the present invention has a function of calculating the accuracy of correction after correction of coordinates and displaying it with vectors 39, a function of automatically determining a searching magnification for automatic object detection from the obtained information after correction of coordinates, and a function of calculating the frequency of occurrence of objects or defects and a time required for measurement from the searching magnification and conditions of measurement.
    Type: Application
    Filed: May 24, 2001
    Publication date: December 27, 2001
    Inventors: Yoshinori Nakada, Shunsuke Koshihara, Ryuichirou Tamochi, Yayoi Hosoya, Hidetoshi Morokuma