About display logic between person name on Home page and on view Requisition page

Summary:

Want to know the logic of showing person name on Home page and requester name field on View Requisition page.

Content (required):

On our env, system shows person name with different name format between Home page and view Requisition page when changing the session language.

Why? Aren't these fields displaying names with the same logic?

ex)

1.Home Page

1-1.Session Language: English ---> Good morning, Last Name First Name!

1-2.Session Language: Japanese ---> First Name Last Name, Ohayo gozaimasu!

2.View Requisition Page, Requester field

2-1.Session Language: English ---> Last Name First Name

2-2.Session Language: Japanese --->