Answer
Yes, Naoto Kan served as Prime Minister of Japan for one year and 221 days, from June 2, 2010 to August 26, 2011. He took office following the resignation of Yukio Hatoyama and led the country during the aftermath of the 2011 Tohoku earthquake and tsunami and the Fukushima Daiichi nuclear disaster. Kan's premiership was marked by his handling of these crises and his efforts to rebuild the affected areas.