Two-day vice-ministerial talks on deregulation between Japan and the United States closed Tuesday in Tokyo with each side demanding further deregulation by the other, a government official said.

Nonetheless, the two sides had "constructive discussions" on some issues and resolved to continue talks in subsequent rounds of negotiations, the Foreign Ministry official said.

The results of the latest round of bilateral deregulation talks are expected to be compiled in a joint report by the time Prime Minister Keizo Obuchi visits Washington in May. Top leaders of the two countries will review the ongoing talks based on that report, the official said.