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Japan 503 Scientists H-Index Engineering & Technology / Mechanical 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 503 scientist, 1 country, 119 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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15,136
World Rank
Japan
198
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
    89
  • Last 5 Years
    64
  • Last 5 Years / Total
    0.719
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* Total H Index Rankings

Rankings

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16,431
World Rank
Japan
222
Country Rank
Kyushu University Logo
11
University
Ranking Based On Selection:
2
Toshihiko Takemura
Kyushu University Fukuoka, Japan
Engineering & Technology / Mechanical Engineering
aerosol | climate change | modellin

H-Index Metrics

  • Total
    87
  • Last 5 Years
    64
  • Last 5 Years / Total
    0.736
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* Total H Index Rankings

Rankings

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32,314
World Rank
Japan
495
Country Rank
Institute of Science Tokyo Logo
14
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 mechanic

H-Index Metrics

  • Total
    71
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.775
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* Total H Index Rankings

Rankings

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49,968
World Rank
Japan
840
Country Rank
National Institute for Materials Science Logo
24
University
Ranking Based On Selection:
4
Abe Fujio 阿部冨士雄
National Institute for Materials Science , Japan
Engineering & Technology / Mechanical Engineering
heat resistant steels | creep strengt

H-Index Metrics

  • Total
    62
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.565
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* Total H Index Rankings

Rankings

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52,151
World Rank
Japan
887
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
    61
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.607
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* Total H Index Rankings

Rankings

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65,490
World Rank
Japan
1,175
Country Rank
Tohoku University Logo
71
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
    40
  • Last 5 Years / Total
    0.714
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* Total H Index Rankings

Rankings

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69,341
World Rank
Japan
1,263
Country Rank
Kyoto University Logo
113
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
    55
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.636
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* Total H Index Rankings

Rankings

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71,077
World Rank
Japan
1,303
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
    54
  • Last 5 Years
    50
  • Last 5 Years / Total
    0.926
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* Total H Index Rankings

Rankings

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85,255
World Rank
Japan
1,590
Country Rank
Kyoto University Logo
129
University
Ranking Based On Selection:
9
Fumitoshi Matsuno
Kyoto University Kyoto, Japan
Engineering & Technology / Mechanical Engineering
Robotics | Control Engineering | Rescue Engineerin

H-Index Metrics

  • Total
    51
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.608
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* Total H Index Rankings

Rankings

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86,187
World Rank
Japan
1,628
Country Rank
Shizuoka University Logo
8
University
Ranking Based On Selection:
10
Akira Nakayama
Shizuoka University Shizuoka, Japan
Engineering & Technology / Mechanical Engineering
Heat transfer | Fluid mechanics | Viscous flow | Convection | Porous medi

H-Index Metrics

  • Total
    51
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.510
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* Total H Index Rankings

Rankings

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88,180
World Rank
Japan
1,675
Country Rank
Chiba University Logo
23
University
Ranking Based On Selection:
11
Hao Liu
Chiba University Chiba, Japan
Engineering & Technology / Mechanical Engineering
Biofluids | Computational biomechanics | Animal flight | Hemodynamics | Biomimetic

H-Index Metrics

  • Total
    50
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.760
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* Total H Index Rankings

Rankings

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90,130
World Rank
Japan
1,722
Country Rank
Keio University Logo
25
University
Ranking Based On Selection:
12
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
    29
  • Last 5 Years / Total
    0.580
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* Total H Index Rankings

Rankings

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92,182
World Rank
Japan
1,773
Country Rank
Osaka University Logo
107
University
Ranking Based On Selection:
13
Shigenobu Ogata
Osaka University Suita, Japan
Engineering & Technology / Mechanical Engineering
Mechanics | Computational Materials Scienc

H-Index Metrics

  • Total
    49
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.837
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* Total H Index Rankings

Rankings

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94,530
World Rank
Japan
1,811
Country Rank
Tohoku University Logo
102
University
Ranking Based On Selection:
14
Kaoru Maruta
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Combustion | Flame | Energ

H-Index Metrics

  • Total
    49
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.612
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* Total H Index Rankings

Rankings

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95,129
World Rank
Japan
1,826
Country Rank
Tokyo University of Science Logo
11
University
Ranking Based On Selection:
15
Shinya Sasaki
Tokyo University of Science Tokyo, Japan
Engineering & Technology / Mechanical Engineering
tribolog

H-Index Metrics

  • Total
    49
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.551
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* Total H Index Rankings

Rankings

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96,073
World Rank
Japan
1,859
Country Rank
Tohoku University Logo
104
University
Ranking Based On Selection:
16
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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101,680
World Rank
Japan
1,990
Country Rank
Niigata Institute of Technology Logo
1
University
Ranking Based On Selection:
17
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
    47
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.894
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* Total H Index Rankings

Rankings

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104,567
World Rank
Japan
2,040
Country Rank
Hachinohe College Logo
2
University
Ranking Based On Selection:
18
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
105,723
World Rank
Japan
2,063
Country Rank
Tohoku University Logo
115
University
Ranking Based On Selection:
19
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
    47
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.511
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* Total H Index Rankings

Rankings

flag
114,154
World Rank
Japan
2,245
Country Rank
Kyushu University Logo
77
University
Ranking Based On Selection:
20
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
119,497
World Rank
Japan
2,350
Country Rank
Kobe University Logo
43
University
Ranking Based On Selection:
21
Kouji Adachi
Kobe University Kobe, Japan
Engineering & Technology / Mechanical Engineering
Aerosol | Electron Microscop

H-Index Metrics

  • Total
    44
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.818
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* Total H Index Rankings

Rankings

flag
120,243
World Rank
Japan
2,361
Country Rank
Kyoto University Logo
170
University
Ranking Based On Selection:
22
Ryoichi Kurose
Kyoto University Kyoto, Japan
Engineering & Technology / Mechanical Engineering
Fluid Mechanics | Combustion | Multiphase Flow | Heat Transfe

H-Index Metrics

  • Total
    44
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
128,891
World Rank
Japan
2,546
Country Rank
Kyushu University Logo
84
University
Ranking Based On Selection:
23
Satoshi Watanabe
Kyushu University Fukuoka, Japan
Engineering & Technology / Mechanical Engineering
Cavitation | Hydraulic Machinery | Turbomachiner

H-Index Metrics

  • Total
    43
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.628
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* Total H Index Rankings

Rankings

flag
136,626
World Rank
Japan
2,725
Country Rank
Shimane University Logo
5
University
Ranking Based On Selection:
24
Osamu Shido
Shimane University Matsue, Japan
Engineering & Technology / Mechanical Engineering
Thermal Physiolog

H-Index Metrics

  • Total
    42
  • Last 5 Years
    25
  • Last 5 Years / Total
    0.595
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* Total H Index Rankings

Rankings

flag
136,738
World Rank
Japan
2,729
Country Rank
Tohoku University Logo
159
University
Ranking Based On Selection:
25
Akira Takeuchi
Tohoku University Sendai, Japan
Engineering & Technology / Mechanical Engineering
Thermodynamics | Materials Science | Metallurg

H-Index Metrics

  • Total
    42
  • Last 5 Years
    25
  • Last 5 Years / Total
    0.595
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