Hier kann man nachlesen, wie seinerzeit die Vereinbarungen geschlossen worden sind:
www.tesla.com/de_DE/blog/...agreement-gigafactory?redirect=no
"OSAKA, Japan / PALO ALTO, USA, July 31, 2014 – Panasonic Corporation and Tesla Motors, Inc. have signed an agreement that lays out their cooperation on the construction of a large-scale battery manufacturing plant in the United States, known as the Gigafactory.
According to the agreement, Tesla will prepare, provide and manage the land, buildings and utilities. Panasonic will manufacture and supply cylindrical lithium-ion cells and invest in the associated equipment, machinery, and other manufacturing tools based on their mutual approval. A network of supplier partners is planned to produce the required precursor materials. Tesla will take the cells and other components to assemble battery modules and packs. To meet the projected demand for cells, Tesla will continue to purchase battery cells produced in Panasonic's factories in Japan. Tesla and Panasonic will continue to discuss the details of implementation including sales, operations and investment...."