is a Japanese

Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...

engineer and manager who was credited as one of the main developers of the

Walkman is a brand of Personal stereo, portable audio players manufactured by Sony since 1979. It was originally introduced as a portable Compact Cassette, cassette player and later expanded to include a range of portable audio products. Since 2011, ...

. While general manager of the Tape Recorder Business Division he was asked to help develop a

portable audio player A portable audio player is a personal mobile device that allows the user to listen to recorded audio while mobile. Sometimes a distinction is made between a ''portable'' player, battery-powered and with one or more small loudspeakers, and a ''pe ...

. Ohsone and his staff modified the existing Pressman device to create the Walkman, which was released in Japan in 1979. was born on 10 November 1933.生年月日（誕生日）データベース〈11月10日〉
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1933 births Living people Japanese engineers Sony people {{Japan-business-bio-stub