Final answer:
Sony was using the strategy of collaboration to gain a competitive advantage by licensing the technology for the transistor from Bell Labs.
Step-by-step explanation:
Sony was using the strategy of collaboration to gain a competitive advantage. They licensed the technology for the transistor from Bell Labs, which allowed them to access and utilize the latest innovation in portable radios. By collaborating with Bell Labs, Sony was able to stay ahead of their competitors and become the leading manufacturer of portable radios in the world.