Toshiba Corp. said Thursday it plans to double its group operating profit to ¥500 billion in business 2010 from ¥238 billion it booked in business 2007 by expanding its NAND flash memory and nuclear power plant endeavors.

In its three-year business strategy announced Thursday, Japan's biggest chip maker set a target of boosting its consolidated sales to ¥10 trillion in the year ending in March 2011, up 30 percent from ¥7.7 trillion in the year that ended in March.

"If we pursue higher profit without going after greater scale (in sales), we'll hit a brick wall," Toshiba President Atsutoshi Nishida said. "It is impossible to survive (an era of) globalization if we grow at (Japan's slow) GDP growth rate."