Patents by Inventor Yasuyuki Kondoh

Yasuyuki Kondoh 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).

  • Method for measuring three-dimensional spatial magnetic field distribution using algebraic reconstruction and convergence
    Patent number: 5075623
    Abstract: The present invention relates to a method for measuring three-dimensional spatial magnetic field distributions used particularly in measuring the magnetic field distribution in a small spatial region such as a leakage magnetic field of a magnetic head and the object thereof is a measuring method capable of measuring a high frequency magnetic field in the small spatial region with a high precision.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: December 24, 1991
    Assignee: Alps Electric Co., Ltd.
    Inventors: Jinichi Matsuda, Yasuyuki Kondoh, Koichi Mukasa, Akihiro Inada, Masahiro Iizuka, Kinya Aoyagi