Starting
judo at 10 years old, Nakamura went to train under
Katsuhiko Kashiwazaki and enter the Fukuyama University team. He became a professional judoka under the sponsorship of Keiyo Gas and competed at national and international level, placing third at the Japanese championships at 100+. His career in judo lasted until 2002, when he met
Hidehiko Yoshida and became a member of his
Yoshida Dojo.
PRIDE Fighting Championships Nakamura made his MMA debut at
PRIDE 25 against
Antônio Rogério Nogueira, losing by submission in the second round. He has also lost to Nogueira in a rematch at
PRIDE Bushido 4. His career in PRIDE was notable for fighting many of PRIDE's top fighters, including
Wanderlei Silva,
Maurício Rua,
Dan Henderson, and
Josh Barnett. His final fight in PRIDE was a decision loss to Maurício Rua at
PRIDE Shockwave 2006. He was known for his flashy entrances, often coming to the ring wearing sunglasses and accompanied by
penguin mascots. Kazuhiro would protest the results, but it was not revoked. Nakamura was defeated by Ken Hasegawa via majority decision on March 22, 2014, at DEEP: 65 Impact. On July 21, 2014, Nakamura faced Seigo Mizuguchi at DEEP: Cage Impact 2014 and won via second round corner stoppage. Nakamura faced Yoshiyuki Nakanishi on December 21, 2014, in DEEP. He lost the fight by unanimous decision and retired from MMA competition after the fight.
Professional wrestling On February 22, 2014, Nakamura made a one-off
professional wrestling appearance for the
Wrestle-1 promotion, teaming with
Masakatsu Funaki,
Manabu Soya and
Seiya Sanada in an eight-man tag team match, where they defeated Desperado (
Masayuki Kono,
Kazma Sakamoto,
René Duprée and
Ryouji Sai). ==Championships and accomplishments==