All around the world, Tosikazu (トシカズ , Tosikazu ) is an extremely rare unknown gender forename. Much more prevalently, Tosikazu is the last name as well as the forename.
トシカヅ
Sato
, Tosikazu 
) is an extremely rare unknown gender forename. Much more prevalently, Tosikazu is the last name as well as the forename.