The plan, which includes a ban on mobile phone usage in key government buildings, is expected to be submitted to Prime Minister Sanae Takaichi next week, local media reported. TOKYO: Japanese Prime Minister Sanae Takaichi's ruling party has approved plans to beef up the country's intelligence capability, a party official said on Friday (Feb 27), as the premier pushes ahead with a defence overhaul . Newly empowered after a landslide victory in snap elections this month, Takaichi has vowed to