Representatives / Staff / Graduate Students

Staff

The number in [ ] shows Guest Members, ( ): Female and < >: Foreign staff respectively.

	Professor	Associate Professor	Research Associate	Research Fellow	Technical Staff	Administrative Staff	Adjunct Staff	Total
Number of Staff [ ]: Guest Members	13 [7]	16 [2]	31	17	7	26	49	159 [9]
( ): Female < >: Foreign Staff	(0) <1>	(0) <0>	(2) <5>	(2) <5>	(1)	(8)	(37)	(50) <11>

	staff + [visiter]	(female) / <foreigner>
Prof.	12 + [9]	(0) / <0>
Associate Prof.	18 + [3]	(0) / <1>
Associate Prof.	33	(2) / <4>
Research Fellows	14	(1) / <4>
Technical Staff	7	(1) / <0>
Administrative Staff	29	(8) / <0>
Adjuncts	49	(31) / <0>
Total	162 + [12]	(43) / <9>

Graduate Students

ICRR accepts graduate students, and also delivers lectures for them as a part of the Graduate School of Science, the University of Tokyo. ICRR also conducts liberal seminars for undergraduate students. ICRR also accepts graduate students from other universities inside and outside Japan as special listeners, special researchers, and foreign researchers, as the graduate school of the University of Tokyo. 

The table lists the number of graduate students accepted by ICRR in recent years.

	FY2020	FY2021	FY2022	FY2023	FY2024
Master’s Course	37	37	30	21	22
Doctor’s Course	23	28	27	30	26
Total	60	65	57	51	48

Representatives

Cosmic Ray Observatory, The University of Tokyo

Position	Name	Term of office
Director	HIRATA, Morizo	1953.8.1 – 1955.8.31
Director	KIKUCHI, Seishi	1955.9.1 – 1959.9.21
Acting Director	NONAKA, Itaru	1959.9.22 – 1960.7.31
Acting Director	KUMAGAI, Hiroo	1960.8.1 – 1960.11.30
Director	NONAKA, Itaru	1960.12.1 – 1970.3.31
Director	SUGA, Kouichi	1970.4.1 – 1972.3.31
Director	MIYAKE, Saburo	1972.4.1 – 1976.5.24

Institute for Cosmic Ray Research, The University of Tokyo

Position	Name	Term of office
Director	MIYAKE, Saburo	1976.5.25 – 1984.3.31
Director	KAMATA, Kouichi	1984.4.1 – 1986.3.31
Director	KONDO, Ichiro	1986.4.1 – 1987.3.31
Acting Director	TANAHASHI, Goro	1987.4.1 – 1987.4.30
Director	ARAFUNE, Jiro	1987.5.1 – 1997.3.31
Director	TOTSUKA, Yoji	1997.4.1 – 2001.3.31
Director	YOSHIMURA, Motohiko	2001.4.1 – 2004.3.31
Director	SUZUKI, Yoichiro	2004.4.1 – 2008.3.31
Vice Director	KURODA, Kazuaki	2004.4.1 – 2008.3.31
Vice Director	FUKUSHIMA, Masaki	2008.4.1 – 2012.3.31
Director	KAJITA, Takaaki	2008.4.1 – 2022.3.31
Vice Director	TERASAWA, Toshio	2012.4.1 – 2016.3.31
Vice Director	NAKAHATA, Masayuki	2015.12.1 – 2022.3.31
Vice Director	KAWASAKI, Masahiro	2016.4.1 – 2022.3.31
Director	NAKAHATA, Masayuki	2022.4.1 – 2024.3.31
Vice Director	TAKITA, Masato	2022.4.1 – 2024.3.31
Director	OGIO, Shoichi	2024.4.1 –
Vice Director	MORIYAMA, Shigetaka	2024.4.1 –

Norikura Observatory

Position	Name	Term of office
Acting Director	MIYAKE, Saburo	1976.5.25 – 1977.2.28
Director	KONDO, Ichiro	1977.3.1 – 1987.3.31
Director	YUDA, Toshinori	1987.4.1 – 2000.3.31
Director	FUKUSHIMA, Masaki	2000.4.1 – 2003.3.31
Director	TAKITA, Masato	2003.4.1 – 2022.3.31
Director	SAKO, Takashi	2022.4.1 –

Akeno Observatory

Position	Name	Term of office
Director	KAMATA, Kouichi	1977.4.18 – 1984.3.31
Director	TANAHASHI, Goro	1984.4.1 – 1988.3.31
Director	NAGANO, Motohiko	1988.4.1 – 1998.3.31
Director	TESHIMA, Masahiro	1998.4.1 – 2002.12.31
Director	FUKUSHIMA, Masaki	2003.1.1 – 2012.3.31
Director	SAGAWA, Hiroyuki	2012.4.1 – 2022.3.31
Director	OGIO, Shoichi	2022.4.1 –

Kamioka Observatory

Position	Name	Term of office
Director	TOTSUKA, Yoji	1995.4.1 – 2002.9.30
Director	SUZUKI, Yoichiro	2002.10.1 – 2014.3.31
Director	NAKAHATA, Masayuki	2014.4.1 – 2022.3.31
Director	SHIOZAWA, Masato	2022.4.1 –

Research Center for Cosmic Neutrinos

Position	Name	Term of office
Director	KAJITA, Takaaki	1999.4.1 – 2016.3.31
Director	OKUMURA, Kimihiro	2016.4.1 –

KAGRA Observatory

Position	Name	Term of office
Director	OHASHI, Masatake	2016.4.1 – 2024.3.31
Director	MIYOKI, Shinji	2024.4.1 –

High Energy Astrophysics Facility in Canarias

Position	Name	Term
Director	TESHIMA, Masahiro	2019.4.1 – 2022.3.31
Director	KUBO, Hidetoshi	2022.4.1 –