Answer:
Hostage taking.
Explanation:
In this scenario both companies holding the other company hostage, because they will not use the proprietary information about the other to take advantage for fear of their own technology becoming disclosed.
The American and Japanese company need each other's technology for their production process, so they will not want to jeopardise this relationship.
Entering into a strategic alliance to guarantee that each partner maintains the agreement, the two companies is hostage taking.