A weaker yen, credited to Prime Minister Shinzo Abe's economic policies, may be helping exporters in general but struggling electronics makers are not yet out of the woods.

Three makers — Sony Corp., Panasonic Corp. and Sharp Corp. — which posted their fiscal 2012 results by Tuesday, are having a hard time rebuilding their core businesses despite desperate efforts to streamline.

"This year, we'll make a profit from our electronics, not by selling assets," Sony Chief Financial Officer Masaru Kato declared at a press conference May 9.