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Japan 23 Scientists H-Index Engineering & Technology / Petroleum Engineering Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 23 scientist, 1 country, 16 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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85,680
World Rank
Japan
1,607
Country Rank
University of Tsukuba Logo
34
University
Ranking Based On Selection:
1
Toshiaki Tsunogae
University of Tsukuba Tsukuba, Japan
Engineering & Technology / Petroleum Engineering
geology | petrology | metamorphic petrology | granulite | crustal evolutio

H-Index Metrics

  • Total
    51
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.569
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* Total H Index Rankings

Rankings

flag
168,935
World Rank
Japan
3,443
Country Rank
Kanazawa University Logo
31
University
Ranking Based On Selection:
2
Tomoaki Morishita
Kanazawa University Kanazawa, Japan
Engineering & Technology / Petroleum Engineering
Mantle Petrolog

H-Index Metrics

  • Total
    38
  • Last 5 Years
    25
  • Last 5 Years / Total
    0.658
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* Total H Index Rankings

Rankings

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253,894
World Rank
Japan
5,326
Country Rank
Kyushu University Logo
156
University
Ranking Based On Selection:
3
Nobuhiko Nakano
Kyushu University Fukuoka, Japan
Engineering & Technology / Petroleum Engineering
Petrolog

H-Index Metrics

  • Total
    31
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.645
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* Total H Index Rankings

Rankings

flag
304,224
World Rank
Japan
6,429
Country Rank
Hokkaido University Logo
235
University
Ranking Based On Selection:
4
Takeshi Kuritani
Hokkaido University Sapporo, Japan
Engineering & Technology / Petroleum Engineering
Igneous petrology | geochemistr

H-Index Metrics

  • Total
    28
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.643
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* Total H Index Rankings

Rankings

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388,808
World Rank
Japan
8,266
Country Rank
Kyoto University Logo
497
University
Ranking Based On Selection:
5
Tetsu Kogiso
Kyoto University Kyoto, Japan
Engineering & Technology / Petroleum Engineering
igneous petrology | experimental petrolog

H-Index Metrics

  • Total
    24
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.708
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* Total H Index Rankings

Rankings

flag
400,667
World Rank
Japan
8,554
Country Rank
Akita University Logo
15
University
Ranking Based On Selection:
6
Andrea Agangi
Akita University Akita, Japan
Engineering & Technology / Petroleum Engineering
Igneous petrology | ore deposit

H-Index Metrics

  • Total
    23
  • Last 5 Years
    21
  • Last 5 Years / Total
    0.913
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* Total H Index Rankings

Rankings

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521,109
World Rank
Japan
10,930
Country Rank
National Research Institute for Earth Science and Disaster Prevention Logo
8
University
Ranking Based On Selection:
7
Takahiro Miwa
National Research Institute for Earth Science and Disaster Prevention , Japan
Engineering & Technology / Petroleum Engineering
Volcanology | petrology | texture | volcanic as

H-Index Metrics

  • Total
    19
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.895
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* Total H Index Rankings

Rankings

flag
597,207
World Rank
Japan
12,315
Country Rank
Tohoku University Logo
571
University
Ranking Based On Selection:
8
Masaoki Uno
Tohoku University Sendai, Japan
Engineering & Technology / Petroleum Engineering
Earth Science | Geology | Petrolog

H-Index Metrics

  • Total
    17
  • Last 5 Years
    15
  • Last 5 Years / Total
    0.882
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* Total H Index Rankings

Rankings

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609,876
World Rank
Japan
12,507
Country Rank
Akita University Logo
24
University
Ranking Based On Selection:
9
Shigemi Naganawa
Akita University Akita, Japan
Engineering & Technology / Petroleum Engineering
Drilling Engineering | Petroleum Engineering | Geothermal Developmen

H-Index Metrics

  • Total
    17
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.765
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* Total H Index Rankings

Rankings

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677,377
World Rank
Japan
13,747
Country Rank
National Institute of Polar Research Logo
19
University
Ranking Based On Selection:
10
Mami Takehara
National Institute of Polar Research , Japan
Engineering & Technology / Petroleum Engineering
geology | geochemistry | petrology | analytical chemistr

H-Index Metrics

  • Total
    15
  • Last 5 Years
    14
  • Last 5 Years / Total
    0.933
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* Total H Index Rankings

Rankings

flag
685,832
World Rank
Japan
13,845
Country Rank
Shizuoka University Logo
85
University
Ranking Based On Selection:
11
Hidemi Ishibashi
Shizuoka University Shizuoka, Japan
Engineering & Technology / Petroleum Engineering
Igneous petrology | magma science | volcanology | mineralog

H-Index Metrics

  • Total
    15
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.867
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* Total H Index Rankings

Rankings

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725,503
World Rank
Japan
14,520
Country Rank
Japan Agency for Marine-Earth Science & Technology Logo
161
University
Ranking Based On Selection:
12
Kenta Ueki
Japan Agency for Marine-Earth Science & Technology Yokosuka, Japan
Engineering & Technology / Petroleum Engineering
Volcanic Petrology | Thermodynamics | Geochemistr

H-Index Metrics

  • Total
    14
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.929
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* Total H Index Rankings

Rankings

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783,614
World Rank
Japan
15,514
Country Rank
Central Research Institute of Electrical Power Industry Logo
26
University
Ranking Based On Selection:
13
Shingo Takeuchi
Central Research Institute of Electrical Power Industry Tokyo, Japan
Engineering & Technology / Petroleum Engineering
Volcanology | Petrology | Porosimetry | Pumic

H-Index Metrics

  • Total
    13
  • Last 5 Years
    12
  • Last 5 Years / Total
    0.923
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* Total H Index Rankings

Rankings

flag
840,884
World Rank
Japan
16,420
Country Rank
Okayama University Logo
168
University
Ranking Based On Selection:
14
Yunchao Shu
Okayama University Okayama, Japan
Engineering & Technology / Petroleum Engineering
Isotope Geochemistry | Petrolog

H-Index Metrics

  • Total
    12
  • Last 5 Years
    11
  • Last 5 Years / Total
    0.917
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* Total H Index Rankings

Rankings

flag
1,097,641
World Rank
Japan
20,183
Country Rank
Kyoto University Logo
1,138
University
Ranking Based On Selection:
15
Atsushi Takenouchi
Kyoto University Kyoto, Japan
Engineering & Technology / Petroleum Engineering
Meteorites Mineralogy Petrolog

H-Index Metrics

  • Total
    9
  • Last 5 Years
    8
  • Last 5 Years / Total
    0.889
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* Total H Index Rankings

Rankings

flag
1,118,597
World Rank
Japan
20,479
Country Rank
Waseda University Logo
281
University
Ranking Based On Selection:
16
Tomoki Taguchi
Waseda University Tokyo, Japan
Engineering & Technology / Petroleum Engineering
Metamorphic petrology | Raman spectroscopy | Mineralog

H-Index Metrics

  • Total
    9
  • Last 5 Years
    7
  • Last 5 Years / Total
    0.778
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* Total H Index Rankings

Rankings

flag
1,209,225
World Rank
Japan
21,759
Country Rank
Hokkaido University Logo
641
University
Ranking Based On Selection:
17
Yoko Ohtomo
Hokkaido University Sapporo, Japan
Engineering & Technology / Petroleum Engineering
origin of life | geology | geochemistry | petrology | resource geolog

H-Index Metrics

  • Total
    8
  • Last 5 Years
    7
  • Last 5 Years / Total
    0.875
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* Total H Index Rankings

Rankings

flag
1,403,306
World Rank
Japan
24,297
Country Rank
Meiji University Logo
82
University
Ranking Based On Selection:
18
Hidehisa Mashima
Meiji University Tokyo, Japan
Engineering & Technology / Petroleum Engineering
Petrology | Geochemistry | Geology | Tectonics | Geoarcheolog

H-Index Metrics

  • Total
    7
  • Last 5 Years
    3
  • Last 5 Years / Total
    0.429
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* Total H Index Rankings

Rankings

flag
1,670,761
World Rank
Japan
27,753
Country Rank
Tohoku University Logo
1,269
University
Ranking Based On Selection:
19
Otgonbayar Dandar
Tohoku University Sendai, Japan
Engineering & Technology / Petroleum Engineering
Petrology | Water-rock interaction | Metamorphis

H-Index Metrics

  • Total
    5
  • Last 5 Years
    5
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

flag
1,784,928
World Rank
Japan
29,214
Country Rank
Kyushu University Logo
781
University
Ranking Based On Selection:
20
Aditya Dewanto Hartono|AD Hartono
Kyushu University Fukuoka, Japan
Engineering & Technology / Petroleum Engineering
applied computational mathematics | petroleum engineering | machine learning | reservoir simulatio

H-Index Metrics

  • Total
    4
  • Last 5 Years
    4
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

flag
1,988,875
World Rank
Japan
31,911
Country Rank
Kyoto University Logo
1,746
University
Ranking Based On Selection:
21
Nazir Mafakheri Bashmagh
Kyoto University Kyoto, Japan
Engineering & Technology / Petroleum Engineering
geomechanics | petroleum engineering | geosciences | Geotherma

H-Index Metrics

  • Total
    3
  • Last 5 Years
    3
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

flag
2,096,721
World Rank
Japan
33,350
Country Rank
Hokkaido University of Education Logo
15
University
Ranking Based On Selection:
22
Yasuhiro Hirai
Hokkaido University of Education Sapporo, Japan
Engineering & Technology / Petroleum Engineering
Petrolog

H-Index Metrics

  • Total
    3
  • Last 5 Years
    3
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

flag
2,334,041
World Rank
Japan
36,784
Country Rank
Tohoku University Logo
1,637
University
Ranking Based On Selection:
23
Bayarbold Manzshir
Tohoku University Sendai, Japan
Engineering & Technology / Petroleum Engineering
Petrology | HP metamorphism | Fluid rock interactio

H-Index Metrics

  • Total
    2
  • Last 5 Years
    2
  • Last 5 Years / Total
    1.000
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