Not only that—because Iwasaki Yatarō used funds from the Tosa domain when he founded the Mitsubishi Company, he used a more stylized version of the three oak leaf crest for the company’s symbol. Readers may have seen those three diamonds on Mitsubishi appliances in their homes. The diamonds originated in the Yamauchi family crest, of which Tosa samurai used to say, “I want to die gazing at those three oak leaves.”
