Japan gaming is ready to climb Mount Fuji. Last week’s award of the 2020 Summer Olympic Games to Tokyo ignited more than the Olympic torch in the Japanese capital. The gaming industry hailed the announcement as the road to legalized casinos in Asia’s largest untapped gaming market. After all, Japan has to find a means to pay for an estimated $1.53 billion in Olympic venues before the world’s athletes descend upon Tokyo. Two large-scale resorts — one each in Tokyo and Osaka — could be worth $10 billion in annual gaming revenues, said Union Gaming Group Principal Grant Govertsen. Those…