The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Shigeru Koyama sits on this spectrum.
This scientist: 394 publications — 88th percentile
88% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Shigeru Koyama sits on this spectrum.
This scientist: 62 D-Index — 81st percentile
81% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
Shigeru Koyama is affiliated with Kyushu University in Japan and has contributed research primarily in the field of engineering, with a specific focus on mechanical and aerospace engineering as well as computational mechanics.
Their work covers several key topics including:
Koyama has published research papers in respected venues such as the International Journal of Refrigeration and the Institut International du Froid. Two of their recent papers include:
Their research collaborations feature frequent co-authors such as Kosuke Higashi, Chieko Kondou, and Y. Higashi, indicating active joint work in the areas related to their expertise.
Koyama's publication record demonstrates a concentration on refrigeration and cryogenic systems with a technical approach oriented toward fluid properties and vaporizer performance methodologies.
B.B. Saha;S. Koyama;T. Kashiwagi;A. Akisawa
Muhammad Sultan;Muhammad Sultan;Ibrahim I. El-Sharkawy;Ibrahim I. El-Sharkawy;Ibrahim I. El-Sharkawy;Takahiko Miyazaki;Takahiko Miyazaki;Bidyut Baran Saha;Bidyut Baran Saha
Bidyut Baran Saha;Anutosh Chakraborty;Shigeru Koyama;Yu I. Aristov
Shigeru Koyama;Ken Kuwahara;Kouichi Nakashita;Ken Yamamoto
Sho Fukuda;Chieko Kondou;Nobuo Takata;Shigeru Koyama;Shigeru Koyama
Muhammad H. Mahmood;Muhammad H. Mahmood;Muhammad Sultan;Muhammad Sultan;Muhammad Sultan;Takahiko Miyazaki;Takahiko Miyazaki;Shigeru Koyama;Shigeru Koyama
B.B. Saha;S. Koyama;J.B. Lee;K. Kuwahara
I. I. El-Sharkawy;I. I. El-Sharkawy;B. B. Saha;S. Koyama;J. He
Kyaw Thu;Kim Choon Ng;Bidyut B. Saha;Anutosh Chakraborty
B.B. Saha;I.I. El-Sharkawy;A. Chakraborty;S. Koyama
X.L. Huai;S. Koyama;T.S. Zhao
A. Chakraborty;B. B. Saha;S. Koyama;K. C. Ng
I.I. El-Sharkawy;K. Kuwahara;B.B. Saha;S. Koyama
Bidyut Baran Saha;Skander Jribi;Shigeru Koyama;Ibrahim I. El-Sharkawy
Muhammad Sultan;Takahiko Miyazaki;Takahiko Miyazaki;Shigeru Koyama;Shigeru Koyama
Skander Jribi;Skander Jribi;Takahiko Miyazaki;Takahiko Miyazaki;Bidyut Baran Saha;Bidyut Baran Saha;Animesh Pal
Chieko Kondou;Shigeru Koyama;Shigeru Koyama
Ibrahim I. El-Sharkawy;Ibrahim I. El-Sharkawy;Ibrahim I. El-Sharkawy;Kutub Uddin;Kutub Uddin;Takahiko Miyazaki;Takahiko Miyazaki;Bidyut Baran Saha;Bidyut Baran Saha
I.I. El-Sharkawy;I.I. El-Sharkawy;M. Hassan;B.B. Saha;S. Koyama
J. Yu;S. Koyama
Shigeru Koyama;Ken Kuwahara;Koichi Nakashita
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