- Graduated from Kindai University.
- Moved to Hawaii in the spring of 2018.
- Daughter Sa-Rang made her runway debut as a child model for 'Bonpoint' Paris collection fashion show (2018).
- After winning the gold in judo for Japan at the 2002 Asian Games and for Korea at the Asian Judo Championships, he switched to MMA fighting and turned K-1 Professional in 2004.
- Became a champion in K-1 Heroes.
- Opened his own gym called the "Akiyama Dojo" in Tokyo, specializing in MMA fighting and judo training (2006).
- Debuted in UFC (2009).
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