http://www.forbes.com/lists/2007/73/biz_07...chest_Rank.html

Rank Name Net Worth ($BIL) Age
1 Akira Mori 5.50 69
2 Masayoshi Son 5.45 49
3 Hiroshi Yamauchi 4.80 79
4 Kunio Busujima 4.30 82
5 Hiroko Takei 4.00 65
6 Nobutada Saji 3.90 61
7 Eitaro Itoyama 3.80 65
8 Tadashi Yanai 3.60 58
9 Takemitsu Takizaki 2.70 62

10 Masatoshi Ito 2.60 83
11 Yo$hitaka Fukuda 2.50 59
12 Kino$hita brothers 2.37 NA
13 Hiroshi Mikitani 2.20 42
14 Kazuo Okada 2.10 64
15 Fukuzo Iwasaki 2.00 82
16 Toichi Takenaka 1.90 64
17 Masahiro Miki 1.80 51
18 Kanbei Kokubu 1.70 68
19 Ryoichi Jinnai 1.40 80
20 Yasumitsu Shigeta 1.37 42

Rank Name Net Worth ($BIL) Age

21 Tetsuro Funai 1.34 80
22 Shigenobu Nagamori 1.30 53
23 Kenshin Oshima 1.20 59
24 Minoru & Yuji Otsuka 1.16 84/53
25 Han Chang-Woo 1.15 76
26 Hajime Satomi 1.14 65
27 Soichiro Fukutake 1.11 61
28 Tadahiro Yoshida 1.10 60
29 Chizuko & Michio Matsui 1.09 52/54
30 Kazuo Inamori 1.00 75

31 Yasuhiro Fukushima 0.90 59
32 Shosuke Idemitsu 0.90 79
33 Shoichiro Toyoda 0.80 82
34 Keiko & Yoichi Erikawa 0.78 58/56
35 Yusuke Miyama 0.78 61
36 Shoji Uehara 0.77 79
37 Ryuji Arai 0.73 61
38 Nobutoshi Shimamura 0.65 71
39 Etsuko & Gen Fujita 0.63 77/NA
40 Akio Nitori 0.61 63