Ministry spokesman Grigory Karasin told a briefing that Soskovets, a centrist and one of two first deputy prime ministers, would arrive in Japan on Nov. 27.
Relations between the two countries have been strained since 1945. Russia still holds the South Kuril Islands chain which it seized from Japan at the end of World War II. Japan calls them its "Northern Territories" and wants them back.
Wealthy Japan says it will only offer the large-scale investment and aid post-Soviet Russia wants once the territorial question has been resolved.
During Soskovets' visit, Karasin said, the two sides would formalize a series of agreements and sign "innovatory" documents, allowing mutually profitable trade and economic relations.
He said the Russian group would include ministers and the heads of Russia's biggest banks and private companies.
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