Translation guide
In Japanese, the concept of a copyright holder is most commonly expressed with the term 著作権者 (chosakukensha). This is the standard legal and general term. Depending on context, other related terms like 著作権所有者 or 権利者 may be used, but 著作権者 is the recommended default.
Who is the copyright holder of this work?
You cannot reproduce it without the copyright holder's permission.
A more explicit term meaning 'copyright owner'. It emphasizes ownership rather than just holding the right. Used in legal documents but less common in everyday speech.
The copyright owner has the right to permit the use of the work.
A broader term meaning 'rights holder'. It can refer to a copyright holder in context, but is not specific to copyright. Use only when the type of right is already clear.
Please contact the rights holder.