Yoshiyuki Inoue have recently been awarded the Young Astronomer Award by the Astronomical Society of Japan. See the link.
Yoshiyuki Inoue studied active galactic nuclei and the cosmic gamma-ray background radiation.
The ASJ Young Astronomer Award is an award by the Astronomical Society of Japan, established by donations from society members, given annually to at most three young researchers, under 35 years of age, who have made significant breakthroughs in astronomy.