Patents by Inventor Tomoyasu Hirashima

Tomoyasu Hirashima 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).

  • Image processing device for an electron microscope
    Patent number: 5142147
    Abstract: The present invention discloses an image processing device for an electron microscope intending to improve the image quality by subjecting image data D.sub.t to interframe integration, comprising means for detecting at least either one of variations of said image data D.sub.t in 1 frame unit and modifications in the observation condition of the electron microscope; a frame memory storing image data .intg.D.sub.t after the integration subjected to the interframe integration; integrating means for executing the interframe integration with a degree of integration corresponding to at least either one of the variations and the modifications between the image data D.sub.t and the image data .intg.D.sub.t after the integration and storing the image data after the integration in the frame memory as new image data .intg.D.sub.t after the integration; and means for displaying the image data .intg.D.sub.t after the integration as an observed image.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: August 25, 1992
    Assignee: Hitachi Naka Seiki, Ltd.
    Inventors: Shigeru Kawamata, Tomoyasu Hirashima
  • Electron microscope
    Patent number: D687475
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: August 6, 2013
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Mitsuru Oonuma, Akira Omachi, Junichi Katane, Mitsuo Akatsu, Hiroyuki Komuro, Tomoyasu Hirashima