If I had to looking for some attributes to describe the japanese style in Web Design I’d choose: essential, minimalist, with an intensive use of Adobe Flash, animations and music in background (mainly solo piano, inspired by Ryuiki Sakamoto’s compositions), traditional and modern at the same time. Here is a collection of some beautiful examples of japanese websites for your daily inspiration.
Japan Post Service
Shanghai World Financial Center
Errata Corrige: Shanghai is in China, not in Japan :)