Patents by Inventor Norio Nakawatase

Norio Nakawatase 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).

  • Non-contact battery charging equipment using a soft magnetic plate
    Patent number: 6008622
    Abstract: The invention provides a non-contact charging equipment having high transmission efficiency and used to supply electric power on non-contact basis by electromagnetic induction, whereby it comprises a plurality of coils on a planar magnetically soft material on each of power transmitting and power receiving sides, whereby the coils on the power transmitting side and the power receiving side are arranged at opposed positions and with a spacing so that magnetic fluxes generated by adjacent coils are directed in reverse directions, the magnetically soft material in planar shape on the power receiving side is arranged directly or via an insulating member on a battery can, and heat generated on the power receiving side is radiated by the battery can.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: December 28, 1999
    Assignee: NEC Moli Energy Corp.
    Inventor: Norio Nakawatase