The difference between co-owner and joint owner

co-owner

***Someone, ***co-owner; ***operator

oint owner

[ Dictionary]***with the owner;

[Internet]***someone; joint owner; joint owner;

[Example]The mustachioed musician successfully claimed that he was joint author

and copyright owner because he wrote a violin riff for the song.

The mustachioed musician successfully proved that he is the author and copyright owner of the song. One, because he wrote a violin riff for the song.