In 1591, after Hidenaga died, Takatora serve under Hideyoshi, he participated in the invasions of Korea as a 'Fleet Commander' of Toyotomi's navy. His fiefdom at that time was Iyo-Uwajima. During the Edo period, the wealth of each fiefdom was measured as a volume of rice production in "koku". Iyo-Uwajima was assessed at 70,000 koku.