Hello Minh Ngà,
Microsoft Entra hybrid joined Windows 10 or newer devices don't have an owner unless the primary user is set in Microsoft Intune.
Reference: https://learn.microsoft.com/en-us/entra/identity/devices/manage-device-identities
To manage the device owner for your Intune managed HAADJ device, please check: https://learn.microsoft.com/en-us/intune/intune-service/remote-actions/find-primary-user#change-a-devices-primary-user
Kindly let me know if this work for you and please let me know if you have any further questions.
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Best regards,