Microsoft Japan downsizes Shinagawa HQ office, returning 3,500 tsubos March 18, 2023 – Microsoft Japan will reduce the lease space for its headquarters in Shinagawa Grand Central Tower in Konan, Minato-ku, the Nikkei Real Estate Market report said, citing sources. Microsoft Japan relocated all its offices in Tokyo to its Shinagawa Headquarters in 2011. The company initially …