After World War II he met the most known colleagues at the meeting of the International Union of Radio Science (URSI) at Paris 1946.
Soviet Union | European Union | Union Army | BBC Radio 4 | ATP International Series | rugby union | BBC Radio 1 | radio | Bachelor of Science | Union | International Monetary Fund | National Science Foundation | American Association for the Advancement of Science | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | BBC Radio 2 | BirdLife International | International Finance Corporation | political science | Master of Science | International Organization for Standardization | Science | International Telecommunication Union | International Criminal Court | Computer Science | BBC Radio 3 | trade union |
International Reference Ionosphere (IRI) is a common permanent scientific project of the Committee on Space Research and the International Union of Radio Science started 1968/69.
Okoshi has served as president of the Institute of Television Engineers and the IEICE (The Institute of Electronics, Information and Communication Engineers), and vice president of the Engineering Academy of Japan and the International Union of Radio Science (URSI).