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Okuda & Associates

Osaka, JP

Okuda & Associates Patent applications
Patent application numberTitlePublished
20110203651SOLAR CELL AND METHOD FOR FABRICATING THE SAME - A solar cell includes a graphite substrate, an amorphous carbon layer having a thickness of not less than 20 nm and not more than 60 nm formed on the graphite substrate, an AlN layer formed on the amorphous carbon layer, a n-type nitride semiconductor layer formed on the AlN layer; a light-absorption layer including a nitride semiconductor layer formed on the n-type nitride semiconductor layer; a p-type nitride semiconductor layer formed on the light-absorption layer; a p-side electrode electrically connected to the p-type nitride semiconductor layer; and an n-side electrode electrically connected to the n-type nitride semiconductor layer. The amorphous carbon layer is obtained by oxidizing the surface of the graphite substrate.08-25-2011
20080272972VARIABLE SLOT ANTENNA AND DRIVING METHOD THEREOF - A variable slot antenna includes: ground conductors 11-06-2008