Fujitsu spokesman Makoto Koshi said the company would not comment on negotiations.

This is the recipe to use for imported and domestic Koshi Hikari.

Tamaki Gold, packaged by the Williams Rice Milling Company, is 100 percent Koshi Hikari.

The Koshi river in the south of the country - a main waterway - was above the danger level, authorities warned.

Local people call the Koshi the "Sorrow of Bihar" for its regular floods and ability to quickly change course.