Tomokazu has the same birthday as Daisuke Sakaguchi, a fellow seiyū who voice acts with him in the anime Gintama.
Tomokazu is 177.6cm tall and weights 57kg.
Tomokazu is good friends with Yuuichi Nakamura, a singer and fellow seiyū.
Tomokazu has lent his voice to many video games, including Brooklyn "Britt" Luckfield in the Super Robot Wars Alpha series, Francis in Angelique Etoile, Major Mihara in Gadget Trial, and VAR-Xe-LD in Summon Night 3.
Tomokazu has a pet dog named Naoji.
Tomokazu started voice acting in high school.
Tomokazu's blood type is "B".