Patents by Inventor Toshiyuki Sawaguchi

Toshiyuki Sawaguchi 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 manufacturing amorphous magnetic core
    Patent number: 5261152
    Abstract: An amorphous magnetic core is arranged to be obtained by cutting a plurality of amorphous sheets to have a predetermined cut length by a cutter device and supplying the cut sheets to a rectangularly forming device, the sheets being supplied from an uncoiler device including a plurality of reels around which the sheets are wound, by winding the sheets of a predetermined number around a forming mandrel successively to form them into a rectangular shape, thereby forming the magnetic core, and by subjecting the magnetic core to magnetic annealing in an annealing device.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: November 16, 1993
    Assignees: Hitachi Ltd., The Tokyo Electric Power Co., Inc.
    Inventors: Tsuneo Simozaki, Mitsuo Kusano, Yukinori Taneda, Toshiyuki Sawaguchi