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Okada; Hirofumi
Suwa, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8269595 Coil unit and electronic instrument September 18, 2012
A coil unit includes a planar coil, a coil-receiving housing having a depression that receives the planar coil, the planar coil being disposed in the coil-receiving housing so that a transmission side of the planar coil faces a bottom of the depression, and a substrate having a mounting
8188826 Coil unit and electronic apparatus using the same May 29, 2012
A coil unit includes a coil formed by winding a coil wire, a wiring substrate, and a magnetic substance for receiving magnetic lines of force generated by the coil. The wiring substrate includes a connection terminal connected to both ends of the coil, an external connection terminal
8084991 Power reception device, electronic apparatus, and non-contact power transmission system December 27, 2011
A power reception device includes a first resistance element having one end electrically connected to one end of a secondary coil which is able to be electromagnetically coupled to a primary coil of a power transmission devices a second resistance element having one end electrically
8022801 Coil unit and electronic instrument September 20, 2011
A coil unit includes a planar air-core coil that has an air-core section, a printed circuit board that is disposed on a transmission side of the planar air-core coil, and a magnetic sheet that is disposed on a non-transmission side of the planar air-core coil opposite to the transmis

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