Organization

Applied Research Laboratory DirectorNAMITO Yoshihito
Radiation Science Center HeadSANAMI ToshiyaProfessor
Computing Research Center HeadNAKAMURA TomoakiProfessor
Cryogenics Science Center Head
/J-PARC Center Cryogenics Section		NAKAMOTO TatsushiProfessor
Mechanical Engineering Center HeadHIRAKI MasahikoProfessor

Applied Research Laboratory

Director NAMITO Yoshihito
Office

Radiation Science Center

Professor・HeadSANAMI Toshiya
Professor・Health and Safety Office （Tokai）Head
／J-PARC Division Head＊		BESSHO Kotaro
ProfessorMATSUMURA Hiroshi
Professor／J-PARC Deputy Division Head＊YAMAZAKI Hirohito
Associate ProfessorIWASE Hiroshi
Associate Professor＊KISHIMOTO Yuji
Associate Professor／J-PARC Section Sub-Leader＊SAITO Kiwamu
Associate ProfessorYOSHIDA Go
Associate Professor・Environmental Safety Office HeadTAKECHI Hideaki
Assistant ProfessorSAKAKI Yasuhito
Assistant Professor＊SUGIHARA Kenta
Assistant Professor＊LEE Eunji
Assistant Professor＊WATANABE Eisuke
Assistant Professor＊TRAN, Kim Tuyet
Senior FellowNUMAJIRI Masaharu
ResearcherHIRAYAMA Hideo
Chief Engineer＊NAKAMURA Hajime
Senior Engineer＊IIJIMA Kazuhiko
Senior Engineer・Engineering CounselorTOYODA Akihiro
Expert Engineer＊TAKAHASHI Kazutoshi
Expert EngineerTAKAHARA Shin-ichi
Expert EngineerNAGAGURO Seiji
Engineer＊ISHIDA Masaki
Engineer＊OYAMA Takahiro
EngineerKOMIYA Aya
Engineer＊SAKAKIBARA Yoshinobu
Associate EngineerTSUGANE Kiyokazu
Senior FellowTAIRA Masafumi
Assistant Technical StaffSATO Mitsuru
Assistant Technical Staff＊HOZUMI Kenichi
OfficeICHIKAWA Satomi
Office＊NEMOTO Ayaka
OfficeMOTOHASHI Miyuki

＊J-PARC Center Safety Division

Computing Research Center

Professor・HeadNAKAMURA Tomoaki
ProfessorAOYAMA Shigeyoshi
ProfessorSASAKI Takashi
Professor＊MURAKAMI Koichi
Associate Professor／J-PARC Section Leader＊SUZUKI Jiro
Associate ProfessorIWAI Go
Associate Professor＊KISHIMOTO Tomoe
Associate Professor＊SUZUKI Soh
Associate ProfessorOKADA Shogo
Associate ProfessorSHIBATA Akihiro
Associate ProfessorMATSUNAGA Hiroyuki
Associate ProfessorMATSUFURU Hideo
Associate ProfessorYONAMINE Ryo
ResearcherAMAKO Katsuya
ResearcherISHIKAWA Tadashi
ResearcherYUASA Fukuko
ResearcherWATASE Yoshiyuki
Senior Engineer・Engineering Coordinator＊NAKAMURA Teiji
Expert Engineer＊NISHIGUCHI Mitsuo
Expert Engineer・Engineering Counselor＊HASHIMOTO Kiyoharu
EngineerMAEDA Hirofumi
Associate EngineerOMORI Konomi
Associate EngineerKOIKE Sari
Technical AssociateUETA Jo
Technical Associate＊SASAGUCHI Ouka
Assistant Technical StaffYASHIRO Shigeo
OfficeKIMURA Yumiko
OfficeFUKUDA Tomoko

＊J-PARC Center Information System Section

Cryogenics Science Center

Professor・Head＊NAKAMOTO Tatsushi
Professor／J-PARC Section Leader＊SASAKI Ken-ichi
Professor＊SUGANO Michinaka
Associate Professor＊IIO Masami
Associate ProfessorSUZUKI Kento
Assistant Professor＊SUMI Naoyuki
Professor＊OGITSU Toru
ResearcherASADA Haruka
Researcher＊ABE Mitsushi
Senior Engineer＊IIDA Masahisa
Senior Engineer＊OHHATA Hirokatsu
Senior Engineer・Engineering Counselor＊Kurosawa Noriyuki
EngineerIKEMOTO Yukiko
Associate EngineerOKADA Ryutaro
Associate Engineer＊ONO Kenta
Associate EngineerTAKAHASHI Naoto
Senior FellowTANAKA Kenichi
Assistant Technical StaffTERASHIMA Akio
Office＊KIKUCHI Midori
OfficeKOTAKI Emiko

＊J-PARC Center Cryogenics Section

Mechanical Engineering Center

Professor・HeadHIRAKI Masahiko
ProfessorYAMANAKA Masashi
Associate ProfessorKUME Tatsuya
Assistant ProfessorTAKASU Akira
Senior EngineerTAKATOMI Toshikazu
Senior Engineer・Engineering CounselorWATANABE Yuichi
EngineerABE Keiko
EngineerOKADA Naoki
EngineerHOSUMI Mitsugu
Associate EngineerITO Yuhei
Associate EngineerUSHITANI Yuito
Technical AssociateKATAYAMA Miyu
Senior FellowKAWAMATA Hiroshi
Senior FellowSATO Nobuhiko
Assistant Technical StaffINOUE Hitoshi
Assistant Technical StaffMASUDA Yasuji
OfficeSAKURAI Hiroko

Diamond Fellow

As of April 1, 2026, In the order of the Japanese alphabet