Kazuo Inamori

Inamori founded Kyocera in 1959 and ran it with amoeba management: the company split into small teams that each tracked their own revenue and costs per hour, so every employee could see their contribution to profit. He later founded the telecoms company that became KDDI, and in 2010, aged 78, took over bankrupt Japan Airlines without pay and returned it to profit within about two years. He died in 2022.