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.
Kinichi Kamiyasu from the Yakuza stated that he supplied slot machines with cash prizes to St Petersburg casinos in the 1990s through his Stockholm-based company Dyna Computer Service AB, which was a subsidiary of the Osaka-based firm Dyna Company Ltd. Organized crime figures Gennady Petrov, Alexander Malyshev, and Sergey Kuzmin operated a casino using a license issued by Vladimir Putin to establish JV Petrodin in 1991.