Yoshiaki Tsutsumi
Yoshiaki Tsutsumi (born May 29, 1934) is a Japanese businessman. During the Japanese economic bubble in the late 1980s, Tsutsumi was the wealthiest person in the world for a brief period due to his extensive real estate investments through the Seibu Corporation, which he controlled. His current net worth is estimated at $3 billion.
Fortune
$3.7 billion as of 2005.
$3.0 billion as of 2004.