Japan designated Tuesday nearly 300 items and technologies as subject to an export ban on Russia and Belarus from later this week to prevent them from boosting their military capabilities, as part of Tokyo's sanctions over Moscow's invasion of Ukraine.

The embargo on exports of 266 products, such as semiconductors, communication equipment and cutting-edge materials, and 26 technologies, including design programs for chip-making machines, will take effect on Friday, according to the Ministry of Economy, Trade and Industry.

In addition, exports of oil-refining equipment and related technologies to Russia, one of the world's major oil producers, will be prohibited, the ministry said.