Patents by Inventor Eiichi Hiroshige

Eiichi Hiroshige 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: 5550452
    Abstract: The induction charging apparatus has a power source unit and a device unit which can be detachably coupled to the power source unit. The power source unit has a first casing having one end opened, a primary coil provided in the first casing, an oscillator for supplying an alternating current to the primary coil to generate magnetic fluxes, and a depressible member movably provided and closing the open end of the first casing. The depressible member is movable between a lift position at which the magnetic fluxes are substantially located under the depressible member, and a depressed position at which portions of the magnetic fluxes are substantially located over the depressible member. The device unit has a second casing having one end detachable to the open end of the first casing, a secondary coil provided in the second casing and adjacent to the one end, and rechargeable battery provided in said second casing for receiving power from the secondary coil.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: August 27, 1996
    Assignees: Nintendo Co., Ltd., Kyushu Hitachi Maxell, Ltd.
    Inventors: Ichiro Shirai, Hitoshi Yamagami, Eiichi Hiroshige, Koichi Kubo