He turned professional in 1977 and won 32 tournaments on the Japan Golf Tour between 1984 and 2005.

He ranks fourth on the list of most Japan Golf Tour wins.

Ozaki played 185 times on the PGA Tour from 1984 to 2001, primarily from 1993 to 2001.

Ozaki played on the International Team in the 1998 Presidents Cup.

Japan Golf Tour playoff record (5–3) Champions Tour playoff record (0–1) CUT = missed the half-way cut WD = Withdrew "T" = tied CUT = missed the halfway cut "T" indicates a tie for a place 1Cancelled due to 9/11 QF, R16, R32, R64 = Round in which player lost in match play "T" = Tied NT = No tournament This list may be incomplete.