Nippon Broadcasting System
Afterwards, Inagaski served as chairman of the Japan Foreign Trade Council (JFTC), chairman of Nippon Broadcasting System, chairman of Nippon Zeon Corporation, and as a director of the Institute of National Policy Research. He attempted a return to politics in the 1962 Japanese House of Councillors election under the LDP banner, but failed to secure a seat. He was awarded the Order of the Sacred Treasure, 1st class in 1971.