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

• R. Takahashi10 · h 17
• Tomoaki Nagasawa8 · h 11
• K. Konno7 · h 11
• M. Sakamoto5 · h 22
• Y. Fujimoto5 · h 12
• Kenji Nishiwaki2 · h 25
• K. Ohsuga2 · h 29
• S. Ohya2 · h 9
• H. Kobayashi1 · h 32
• Inori Ueba1 · h 4
• K. Akiyama1 · h 51
• Kazuki Sakamoto1 · h 4

• Kobe UniversityJP4 papers
• Hokkaido UniversityJP3 papers
• National Institute of Technology, Oita CollegeJP3 papers
• The University of TokyoJP3 papers
• Harish-Chandra Research InstituteIN2 papers
• National Astronomical Observatory of JapanJP2 papers
• RIKENJP2 papers
• Aichi University of EducationJP1 paper
• Institute of Space and Astronautical ScienceJP1 paper
• Japan Aerospace Exploration AgencyJP1 paper
• Kavli Institute for the Physics and Mathematics of the UniverseJP1 paper
• Korea Institute for Advanced StudyKR1 paper