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H-Index
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Japan 512 Scientists H-Index Engineering & Technology / Mechanical Engineering Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 512 scientist , 791 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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14,950
World Rank
Japan
201
Country Rank
Kyushu University Logo
8
University
Ranking Based On Selection:
1
Bidyut Baran Saha
Kyushu University Fukuoka, Japan
Engineering & Technology / Mechanical Engineering
Adsorption heat pump system | adsorption desalination | heat transfer enhancement | energy efficiency assessmen

H-Index Metrics

  • Total
    91
  • Last 5 Years
    66
  • Last 5 Years / Total
    0.725
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* Total H Index Rankings

Rankings

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15,545
World Rank
Japan
211
Country Rank
Kyushu University Logo
10
University
Ranking Based On Selection:
2
Toshihiko Takemura
Kyushu University Fukuoka, Japan
Engineering & Technology / Mechanical Engineering
aerosol | climate change | modellin

H-Index Metrics

  • Total
    90
  • Last 5 Years
    67
  • Last 5 Years / Total
    0.744
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* Total H Index Rankings

Rankings

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30,082
World Rank
Japan
469
Country Rank
Institute of Science Tokyo Logo
11
University
Ranking Based On Selection:
3
Tinh Quoc Bui
Institute of Science Tokyo Tokyo, Japan
Engineering & Technology / Mechanical Engineering
computational mechanics | material failure | composites | solid mechanics | topology optimizatio

H-Index Metrics

  • Total
    74
  • Last 5 Years
    57
  • Last 5 Years / Total
    0.770
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* Total H Index Rankings

Rankings

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50,484
World Rank
Japan
857
Country Rank
National Institute for Materials Science Logo
21
University
Ranking Based On Selection:
4
Abe Fujio 阿部冨士雄
National Institute for Materials Science Tsukuba, Japan
Engineering & Technology / Mechanical Engineering
heat resistant steels | creep strengt

H-Index Metrics

  • Total
    63
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.571
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* Total H Index Rankings

Rankings

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52,684
World Rank
Japan
908
Country Rank
Saga University Logo
1
University
Ranking Based On Selection:
5
Kazuya Sato
Saga University Saga, Japan
Engineering & Technology / Mechanical Engineering
pulsed ESR | quantum control of molecular spin

H-Index Metrics

  • Total
    62
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.597
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* Total H Index Rankings

Rankings

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69,007
World Rank
Japan
1,259
Country Rank
Tohoku University Logo
73
University
Ranking Based On Selection:
6
Hideaki Kobayashi
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Combustion | Aerospace Engineerin

H-Index Metrics

  • Total
    56
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

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69,856
World Rank
Japan
1,266
Country Rank
Kyoto University Logo
111
University
Ranking Based On Selection:
7
Shinji Nishiwaki
Kyoto University Kyoto, Japan
Engineering & Technology / Mechanical Engineering
Topology Optimization | Optimum Design | Structural Optimizatio

H-Index Metrics

  • Total
    56
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.643
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* Total H Index Rankings

Rankings

flag
71,434
World Rank
Japan
1,321
Country Rank
Yamagata University Logo
3
University
Ranking Based On Selection:
8
Ajit Khosla
Yamagata University Yamagata, Japan
Engineering & Technology / Mechanical Engineering
Sensors materials and interfaces | Nanotechnology | Turnkey Systems | 3D & 4D printing

H-Index Metrics

  • Total
    55
  • Last 5 Years
    52
  • Last 5 Years / Total
    0.945
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* Total H Index Rankings

Rankings

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80,201
World Rank
Japan
1,503
Country Rank
Chiba University Logo
19
University
Ranking Based On Selection:
9
Hao Liu
Chiba University Chiba, Japan
Engineering & Technology / Mechanical Engineering
Biofluids | Computational biomechanics | Animal flight | Hemodynamics | Biomimetic

H-Index Metrics

  • Total
    53
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.736
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* Total H Index Rankings

Rankings

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83,737
World Rank
Japan
1,579
Country Rank
Osaka University Logo
90
University
Ranking Based On Selection:
10
Shigenobu Ogata
Osaka University Suita, Japan
Engineering & Technology / Mechanical Engineering
Mechanics | Computational Materials Scienc

H-Index Metrics

  • Total
    52
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.808
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* Total H Index Rankings

Rankings

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85,542
World Rank
Japan
1,619
Country Rank
Kyoto University Logo
132
University
Ranking Based On Selection:
11
Fumitoshi Matsuno
Kyoto University Kyoto, Japan
Engineering & Technology / Mechanical Engineering
Robotics | Control Engineering | Rescue Engineerin

H-Index Metrics

  • Total
    52
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.615
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* Total H Index Rankings

Rankings

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86,555
World Rank
Japan
1,655
Country Rank
Shizuoka University Logo
8
University
Ranking Based On Selection:
12
Akira Nakayama
Shizuoka University Shizuoka, Japan
Engineering & Technology / Mechanical Engineering
Heat transfer | Fluid mechanics | Viscous flow | Convection | Porous medi

H-Index Metrics

  • Total
    52
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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94,771
World Rank
Japan
1,838
Country Rank
Tohoku University Logo
101
University
Ranking Based On Selection:
13
Kaoru Maruta
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Combustion | Flame | Energ

H-Index Metrics

  • Total
    50
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.620
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* Total H Index Rankings

Rankings

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94,920
World Rank
Japan
1,840
Country Rank
Keio University Logo
37
University
Ranking Based On Selection:
14
Kenji Yasuoka
Keio University Tokyo, Japan
Engineering & Technology / Mechanical Engineering
Chemical Physics | Physical Chemistry | Computational Physics | Computational Chemistry | Molecular Simulatio

H-Index Metrics

  • Total
    50
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.600
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* Total H Index Rankings

Rankings

flag
97,056
World Rank
Japan
1,906
Country Rank
Niigata Institute of Technology Logo
1
University
Ranking Based On Selection:
15
Yoshihide Tominaga
Niigata Institute of Technology Kashiwazaki, Japan
Engineering & Technology / Mechanical Engineering
Wind Engineering | Computational Wind Engineering | Snow Engineering | Urban Environmen

H-Index Metrics

  • Total
    49
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.878
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* Total H Index Rankings

Rankings

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99,957
World Rank
Japan
1,963
Country Rank
Tokyo University of Science Logo
10
University
Ranking Based On Selection:
16
Shinya Sasaki
Tokyo University of Science Tokyo, Japan
Engineering & Technology / Mechanical Engineering
tribolog

H-Index Metrics

  • Total
    49
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.592
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* Total H Index Rankings

Rankings

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100,837
World Rank
Japan
1,989
Country Rank
Tohoku University Logo
106
University
Ranking Based On Selection:
17
S Samukawa Seiji Samukawa
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Plasma Etching | Nanotechnology | Nano-fabrication | Nano-materials | Nano-energy Device

H-Index Metrics

  • Total
    49
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.490
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* Total H Index Rankings

Rankings

flag
101,207
World Rank
Japan
2,006
Country Rank
Tohoku University Logo
107
University
Ranking Based On Selection:
18
Masaru Uchiyama
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Robotics | Aerospace | and Mechanical Engineerin

H-Index Metrics

  • Total
    49
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.408
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* Total H Index Rankings

Rankings

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110,334
World Rank
Japan
2,188
Country Rank
Hachinohe College Logo
2
University
Ranking Based On Selection:
19
Shigenao Maruyama
Hachinohe College Aomori, Japan
Engineering & Technology / Mechanical Engineering
thermal science | fluid scienc

H-Index Metrics

  • Total
    47
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.617
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* Total H Index Rankings

Rankings

flag
119,526
World Rank
Japan
2,372
Country Rank
Kobe University Logo
40
University
Ranking Based On Selection:
20
Kouji Adachi
Kobe University Kobe, Japan
Engineering & Technology / Mechanical Engineering
Aerosol | Electron Microscop

H-Index Metrics

  • Total
    45
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.822
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* Total H Index Rankings

Rankings

flag
120,242
World Rank
Japan
2,379
Country Rank
Kyoto University Logo
169
University
Ranking Based On Selection:
21
Ryoichi Kurose
Kyoto University Kyoto, Japan
Engineering & Technology / Mechanical Engineering
Fluid Mechanics | Combustion | Multiphase Flow | Heat Transfe

H-Index Metrics

  • Total
    45
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.756
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* Total H Index Rankings

Rankings

flag
120,366
World Rank
Japan
2,383
Country Rank
Kyushu University Logo
79
University
Ranking Based On Selection:
22
Atsuhiko Isobe
Kyushu University Fukuoka, Japan
Engineering & Technology / Mechanical Engineering
physical oceanography | coastal oceanography | oceanography | ocean plastics | microplastic

H-Index Metrics

  • Total
    45
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.756
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* Total H Index Rankings

Rankings

flag
133,246
World Rank
Japan
2,668
Country Rank
Keio University Logo
45
University
Ranking Based On Selection:
23
Koji Fukagata
Keio University Tokyo, Japan
Engineering & Technology / Mechanical Engineering
Fluid Mechanics | Fluid Dynamics | Flow Control | Turbulence | Machine Learnin

H-Index Metrics

  • Total
    43
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.791
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* Total H Index Rankings

Rankings

flag
136,237
World Rank
Japan
2,735
Country Rank
Hokkaido University Logo
95
University
Ranking Based On Selection:
24
Yasuyuki Shimizu
Hokkaido University Sapporo, Japan
Engineering & Technology / Mechanical Engineering
Hydraulics | River Morphology | River Engineering | Fluid Mechanic

H-Index Metrics

  • Total
    43
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.605
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* Total H Index Rankings

Rankings

flag
141,422
World Rank
Japan
2,846
Country Rank
Tokyo University of Agriculture and Technology Logo
16
University
Ranking Based On Selection:
25
Toshihiko Kuwabara
Tokyo University of Agriculture and Technology Fuchu, Japan
Engineering & Technology / Mechanical Engineering
Metal Forming | Plasticit

H-Index Metrics

  • Total
    42
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.738
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