The winning top scorer in Superleague, Greece (or Alpha Ethniki as the league was called back then) during the season 2004/2005 was Theofanis Gekas with 18 goals scored.
The season start for Superleague (Alpha Ethniki) 2004/2005 was 18 September 2004, the finishing round was being played 25 May 2005. More information and the winning top scorers in Superleague between the seasons 1999/2000-2019/2020 here.