The Glasgow giants applied for a work permit for the 22 year old in December and should find out by Thursday whether they have been successful.
Mizuno has only 4 caps which he means he does not automatically qualify for a work permit. However, he is regarded as one of the brightest talents in the J-League and this could sway the Department of Employment into rubber-stamping Celtic's application.
The creative midfielder follows in the footsteps of international team-mate Shunsuke Nakamura and like Nakamura can operate in both a central and right sided role.