Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

• K. Sugitani42 · h 29
• M. Tamura27 · h 61
• T. Nagata22 · h 40
• S. Nishiyama20 · h 30
• S. Sato3 profiles20 · h 31
• T. Nagayama3 profiles18 · h 36
• Y. Nakajima15 · h 28
• F. Nakamura14 · h 42
• C. Nagashima11 · h 21
• D. Kato9 · h 23
• N. Kusakabe9 · h 40
• R. Kandori9 · h 40

• National Astronomical Observatory of JapanJP59 papers
• Nagoya UniversityJP34 papers
• The University of TokyoJP34 papers
• The Graduate University for Advanced Studies, SOKENDAIJP26 papers
• Kyoto UniversityJP24 papers
• Centre National de la Recherche ScientifiqueFR15 papers
• Korea Astronomy and Space Science InstituteKR13 papers
• Center for Astrophysics Harvard & SmithsonianUS10 papers
• Institute of Astronomy and Astrophysics, Academia SinicaTW10 papers
• Tokyo Institute of TechnologyJP10 papers
• Boston UniversityUS9 papers
• California Institute of TechnologyUS9 papers