During his sixteen-year tenure with the company, he has been a former World Heavyweight Champion, a two-time United National Heavyweight Champion, and a three-time NWA Intercontinental Tag Team Champion with two different partners. However, he has also competed for other titles, such as the vacant All Asia Tag Team Championship at ZERO-ONE Rebel Z 2003 on December 25, where he teamed up with Jun Kasai to unsuccessfully challenge Mr. Gannosuke and Tetsuhiro Kuroda for them. He is known for competing in various of the promotion's signature events such as the Fire Festival in which he made his first appearance at the 2008 edition where he placed himself in the block A where he scored a total of two points after competing against Togi Makabe, Masaaki Mochizuki, Shinjiro Otani and Kohei Sato. At the 2012 edition, he placed himself in the block B where he scored a total of two points after going against Masato Tanaka, Daisuke Sekimoto, Kohei Sato and Muhammad Yone. At the 2015 edition, he placed himself in the block A where he scored a total of six poinsta after going against Kohei Sato, Masato Tanaka, Yusaku Obata, Fujita Hayato and Masakado. At the 2016 edition of the events, he scored a total of fifteen points in the only active block after going against Shinjiro Otani, Yusaku Obata, Masato Tanaka, Ryota Hama, James Raideen, Kohei Sato, Shogun Okamoto, Hayato Fujita and Buffa. As for the Furinkazan, he made his first appearance at the 2009 and first-ever editinon of the tournament, where he teamed up with long-time tag team partner Kohei Sato, placing themselves in the block B, where they scored a total of five points after competing against the teams of Masato Tanaka and Masaaki Mochizuki, Shiro Koshinaka and Hajime Ohara, Rikiya Fudo and Shito Ueda, and Tsutomu Oosugi and Hercules Senga. He scored his best result at the 2010 edition in which he alonsgide Sato came out victorious by toppling the block A with eight points after outmatching the teams of Akebono and Shinjiro Otani, Phil Davis and Sean Davis, Hikaru Sato and Munenori Sawa, and Kintaro Kanemura and Takuya Sugawara. At the 2011 edition, he teamed up with Sato again in the block B and scored five points against Fujita Hayato and Masato Tanaka, Akebono and Daichi Hashimoto, Schwarz and Weiss, and Mineo Fujita and Shito Ueda. At the 2013 edition, he and Sato defeated Tank