2025.09.03 The ERATO general meeting for Professor Atsushi Kataoka of the Department of Applied Physics was held at Waseda University. On September 1st, the 4th ERATO KATAOKA Line X-ray/Gamma-ray Imaging Project General Meeting was held at the Nishi-Waseda Campus, gathering over 60 researchers and students from nine domestic institutions. Professor Toru Asahi, Dean of the School of Advanced Science and Engineering, delivered the opening remarks. This was followed by an introduction to the project overview by Professor Atsushi Kataoka, the project leader, after which individual researchers gave presentations. The ERATO KATAOKA Line X-ray/Gamma-ray Imaging Project website is here. https://www.jst.go.jp/erato/kataoka/