5dd03d14_Companies___freshtrax_by_btrax__Japan
[Characteristic] Heterogeneous vs. Homogeneous cultures [United States] Since U.S. is multicultural, the company is consisted of a plenty of nationalities, which means there are so many different way to think. Almost the all situations, they don’t progress without say anything. [Japan] 
Basically a Japanese company is organized by Japanese. Almost everyone has same background to realize the situation so some of the understanding is in unspoken words. This is one of the important communication skills in Japan.
10 Cultural Contrasts between US & Japanese Companies | freshtrax by btrax
Japan