Region
Japan --
168
Japan
130
United States
27
United States --
25
Asia
22
Asia --
19
Asia, Southeastern
19
Asia, Southeastern --
17
East Asia --
16
East Asia
15
China --
14
China
11
Pacific Area
8
Malaysia
7
Pacific Area --
6
Europe
5
Europe --
5
Malaysia --
5
Developing countries --
4
ASEAN countries --
3
Developing countries
3
ASEAN countries
2
Australia
2
Australia --
2
European Economic Community countries --
2
Indonesia --
2
Korea (South)
2
Pacific area --
2
Singapore
2
Singapore --
2
Southeast Asia
2
Southeast Asia --
2
Soviet Union --
2
African
1
Burma
1
Burma --
1
Case studies
1
European Union Countries
1
European Union Countries --
1
Foreign countries
1
Former Soviet republics --
1
Fukushima-ken
1
Germany
1
Great Britain
1
Great Britain --
1
Hiroshima-shi (Japan) --
1
India --
1
Indonesia
1
Japan (Hiroshima) --
1
Japanese, Invesments --
1
more ...