registered name; legal name
Refers to a name officially recorded in a registry, such as a family register, corporate registration, or other official list. Often used in legal or administrative contexts.
There are cases where the registered name differs from the name on the family register.
The company's registered name is 'XX Co., Ltd.'
本名 means 'real name' or 'true name', which may or may not be the same as the registered name. 登録名 emphasizes the official registration aspect.
Compound of 登録 (registration) and 名 (name).