(Yokohama, Toyota, Keihanna [Kyoto], and Kitakyushu) Steadily Yield Results;Â Japan Smart City Portal Reports from the Front Lines The next-generation energy and social operational experiments that are being promoted in four regions in Japan (Yokohama, Toyota, Keihanna [Kyoto], and Kitakyushu) toward the realization of smart cities and smart communities are steadily yielding concrete results. The Japan…