Tokyo, Nov. 28 (Jiji Press)–Japanese Prince Hitachi, the younger brother of Emperor Emeritus Akihito and uncle of Emperor Naruhito, turned 90 on Friday. According to the Imperial Household Agency, the prince spends his days with his wife, Princess Hanako, 85, at their residence in Tokyo’s Shibuya Ward. He does regular rehabilitation exercises to maintain his health. The prince was hospi…