FILE - In this May 1991 file photo, former president and chairman of Sony, Norio Ohga, holds a Sony Mini Disc in New York. Sony says Ohga, credited with developing the compact disc, has died Saturday,... more 
FILE - In this May 1991 file photo, former president and chairman of Sony, Norio Ohga, holds a Sony Mini Disc in New York. Sony says Ohga, credited with developing the compact disc, has died Saturday, April 23, 2011. He was 81. Sony Corp. Chairman Howard Stringer said Ohga helped redefine the Japanese manufacturer not only as an electronic hardware company but helped it also expand into software or entertainment. less 
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Associated Press | Photo By Richard Drew, File
Sat, Apr 23, 2011 11:55 AM EDT