He has had - present perfect used for something that started in the past and continues to the present. This is typical example of the present perfect which can be confusing. It sounds like a past tense - it is not. It is a present tense with a past aspect / origin.
He has a car - statement of fact as to the existence and ownership of his car.
He bought it 5 years ago - past completed action.
He has had it for 5 years - he bought it 5 years ago...and still has it.
Present perfect is SUPER important in english!