The list reported that the Japanese government on April 4 will tighten export regulations for three things that are essential for the production of Korean semiconductors, TVs and smartphones.
Regulated items are fluorine polyimide, high purity hydrogen fluoride and register, Japan is the basic material that occupies more than 70% of the world market.
Sankei said the action was a real reprimand against the dispute and would have a negative impact on the Korean economy if measures were taken.
It is expected that the Japanese government will announce it today.
The Ministry of Trade, Industry and Energy held an urgent meeting with industry representatives, such as Samsung Electronics and SK Hynix, to discuss the offer of these products.