The observatory is run by the Institute for Cosmic Ray Research (ICRR), based at the University of Tokyo.
[1] Akeno Observatory features AGASA, the Akeno Giant Air Shower Array, which studies the origins of very high energy cosmic rays.
[2] Construction of the observatory began in 1975, and in 1977 it became the second attached institution with ICRR.
Its accomplishments include the observation of a super high energy cosmic ray air shower in 1995 that was previously thought to be impossible.
You can help Wikipedia by expanding it.This article about a specific observatory, telescope or astronomical instrument is a stub.