Answer
Toshihiro Hattori won three J1 League titles during his illustrious career. He was an integral part of the Kashima Antlers team that dominated the Japanese top flight in the late 1990s and early 2000s, winning the league title in 1996, 1998, and 2000. Hattori's exceptional skills and leadership on the field played a significant role in the Antlers' success during that era.