Patents by Inventor Chen W. Ping

Chen W. Ping 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: 5402098
    Abstract: The invention provides a coil comprising a plurality of stacked coil elements connected together at conductor ends to form at least one series of spiral conductors, the coil being characterized in that each of the coil elements includes a sheet insulator, a first conductor in a planar spiral form and provided on one surface of the insulator and a second conductor in a planar spiral form and provided on the other surface of the insulator, the conductors on the respective surfaces of the insulator being wound spirally in directions opposite to each other when seen from above at the same side of the insulator.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: March 28, 1995
    Assignee: Satosen Co., Ltd.
    Inventors: Hideo Ohta, Chen W. Ping, Sinji Ohki, Yoshiro Morishita, Teruyoshi Sonoda