· University of Tokyo
· Cosmic Ray Community (CRC)
· COSNEWS
· IUPAP
· PaNAGIC
(Particle and Nuclear Astrophysics and Gravitation International Committee)
· The Physical Society of Japan (JPS)
· The Physical Society of Japan (JPS) Cosmic Ray division
· Astronomical Society of Japan (ASJ)
· Japan Society of Applied Physics (JSAP)
· Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS)
· National Astronomical Observatory
· Japan Aerospace Exploration Agency (JAXA)
· High Energy Accelerator Research Organization (KEK)
· ICRC2003(International Cosmic Ray Conference, 2003 at Tsukuba Japan)
Piloty
Institutes
· Institute for Cosmic Ray Research University of Tokyo (ICRR) · Solar-Terrestrial Environment Laboratory, Nagoya University (STEL)
· Kamioka Observatory ICRR University of Tokyo
 · Institute for Cosmic Ray Physics, Osaka City University
· WPI Institute for the Physics and Mathematics of the Universe

· Cosmic Radiation Group, RIKEN
Universities
Tohoku area
◆Tohoku University ・Research Center for Neutrino Science ◆Yamagata University ・Radiation Detection and Experimental Astrophysics Group
◆Miyagi University of Education ・Fukuda group

 

 
Kanto area
◆Utsunomiya University ・Physics Group ◆Tokyo Institute of Technology ・Kakimoto Group
◆Chiba University ・Particle Physics Group

 

 ・Watanabe-Kawai Group
◆Saitama University ・Inoue Group
 ◆Shibaura Institute of Technology ・Kasahara Group
  ・Mizutani Group ◆Meisei University ・Cosmic Ray Group
◆University of Tokyo ・Research Center for the Early Universe
 ◆Tokai University ・Nishijima Group
  ・Solar-Terrestrial Physics Group ◆Yokohama National University ・Shibata Group
◆Waseda University ・Cosmic Radiation Physics and Space Science Group ◆Kanagawa University ・Cosmic Ray Group
Chubu area
◆Yamanashi University ・Cosmic Ray Group
Kinki area
◆Kyoto University ・Cosmic Ray Group
 ◆Kinki University ・High Energy Astroparticle Physics Group

・Theoretical Astrophysics Group ◆Kobe University ・Particle Physics Group
◆Osaka City University ・Ultra High Energy Group ◆Konan University ・Astro Particle Group
  ・Experimental Gravitational Wave Physics Group

 

 
Chugoku area
◆Okayama University ・Cosmic Ray Group ◆Hiroshima University ・Astro Physics Group
Shikoku area
◆Kochi University ・Cosmic Ray Group ◆Ehime University ・Cosmic Ray Group
Other links in the world
・International Union of Pure and Applied Physics (IUPAP)
・NASA
・CERN
・Past ICRC list
・29th International Cosmic Ray Conference (Pune, India)
 ・27th International Cosmic Ray Conference (Hamburg, Germany)
 ・26th International Cosmic Ray Conference (Salt Lake City, Utah, US)
 ・25th International Cosmic Ray Conference (Durban, Sauth Africa)
・Cosmic ray/Gamma ray/neutrino and similar experiments
・The Neutrino Oscillation Industry
UP