Ichiro Kono joined the editorial department of the Asahi Shimbun where he became interested in Japanese' agricultural matters. He drifted into politics in 1932 and has been elected to the Diet seven times.
Ichiro Kono served consecutively or concurrently as private secretary to the Minister of Agriculture, managing director and later president of Nichiro (Japan-Hussia) Fishery Company, auditor of Sagami Railway Company, chairman of Imperial Stock-breeding Association, managing director of Central Agricultural Association, Secretary-Gen-eral of the Liberal Party.
Disagreed on policy matters with former Prime Minister Shigeru Yoshida and supported Ichiro Hatoyama. When the latter became Prime Minister in 1954 Ichiro Kono served as Minister of Agriculture, continuing in the same post in the Second Hatoyama Cabinet in 1955.
He visited Soviet Russia to negotiate the signing of the Fishery Pact in 1956. Ichiro advocated the abolishment of horse-racing on weekdays, abolishment of bodyguards for politicians and high government officials, amelioration of sentences on war criminals, advancement of living conditions of the masses, improvement of stock-breeding. Appointed chief of Economic Planning Board in 1957.