The Institute for Cosmic Ray Research (ICRR) of the University of Tokyo (東京大学宇宙線研究所 Tōkyōdaigaku Uchūsen Kenkyūsho) was established in 1976 for the study of cosmic rays.
[1] The gravitational wave studies group is currently constructing the detector KAGRA located at the Kamioka Observatory.
[2]