The difference between the right of signature and ownership of entrusted patent development

The difference between the right of signature and the ownership of entrusted patent;

1. The object of the right of signature is intangible, while the object of ownership is tangible.

2. The particularity of the use of the object of the right of signature. Ownership can only make material use of tangible objects, while works have special uses such as stage, broadcasting and distribution.