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

• H. Ohno2 · h 27
• M. Takizawa2 · h 26
• Y. Fujita2 · h 34
• D. G. Yamazaki1 · h 13
• H. Akamatsu1 · h 31
• H. Nakanishi1 · h 30
• Keitaro Takahashi1 · h 35
• K. Ichiki1 · h 39
• M. Machida1 · h 19
• O. Kameya1 · h 28
• R. Yamazaki1 · h 50
• S. Ideguchi1 · h 9

• The University of OsakaJP2 papers
• Yamagata UniversityJP2 papers
• Aoyama Gakuin UniversityJP1 paper
• Chiba UniversityJP1 paper
• Ibaraki UniversityJP1 paper
• Kagoshima UniversityJP1 paper
• Kumamoto UniversityJP1 paper
• Kyushu UniversityJP1 paper
• Nagasaki UniversityJP1 paper
• Nagoya UniversityJP1 paper
• National Astronomical Observatory of JapanJP1 paper
• Obayashi (Japan)JP1 paper