Patents by Inventor Hiromi Kashiwabara

Hiromi Kashiwabara 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: 4907287
    Abstract: An image correcting apparatus for correcting distortion appearing in an image produced by electron beam scanning in a SEM under the influence of electric, magnetic and mechanical vibrations through arithmetic operations for eliminating the distortion. Installation of electric shield, magnetic shield and vibration-damping structure is thus rendered unnecessary.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: March 6, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Koichi Homma, Fuminobu Komura, Tetsuo Yokoyama, Koichi Haruna, Toshihiro Furuya, Hiromi Kashiwabara, Akira Maeda, Yutaka Takuma, Takashi Iizumi