According to the Yakuza Kinichi Kamiyasu who supplied slot machines with cash prizes to St Petersburg casinos in the 1990s from his Stockholm, Sweden, company Dyna Computer Service AB which was a subsidiary of the Masimichi Iida () () owned Osaka firm, Dyna Company Ltd., the criminals Gennady Petrov (), Alexander Malyshev (), and Sergey Kuzmin () operated the casino through a Vladimir Putin issued license in order to establish JV Petrodin () in 1991.
According to Yakuza Kinichi Kamiyasu, who provided slot machines with cash prizes to St Petersburg casinos in the 1990s from his Stockholm-based company Dyna Computer Service AB, a subsidiary of the Osaka-based firm Dyna Company Ltd., organized crime figures Gennady Petrov, Alexander Malyshev, and Sergey Kuzmin operated a casino through a license issued by Vladimir Putin to establish JV Petrodin in 1991.