What are the ways of patent licensing? What's their difference?

Patent authorization should refer to the patent right granted by the competent department of the state. I guess the meaning of the topic should be the way of patent licensing. And I answered according to this content. There are several ways to use license, namely exclusive license, exclusive license, general license, cross license and sub-license (or subordinate license). The above classification is mainly based on the scope, nature and authority of the license. Among them, the strength and scope of the exclusive license is the largest, which can not be used by anyone except the licensee, including the obligee, while the exclusive license can be used by both the licensee and the obligee, and no one else can use it. General license, as its name implies, means that the right holder can use it himself or authorize a third person to use it. Cross-licensing means that both parties have patents. After that, based on cooperation, you are allowed to use mine at the beginning, or after I use yours. Sublicense is also well understood, that is, the licensee can sublicense the rights to a third party with the consent of the obligee. Similar to subcontracting ~