Toyota Motor Corp. said Friday it plans to make an additional investment in Japanese chipmaker Rapidus Corp., keeping step with the state-backed firm’s other investors in helping finance its plan to mass produce next-generation chips by 2027. The comment came after Rapidus requested its existing shareholders and banks to help it reinforce its capital by around 100 billion yen ($670 million), saying it needs around 5 trillion yen to mass produce state-of-the-art 2-nanometer chips. “We will consider additional investment as we have agreed with its vision of creating a production base for next-ge…