Top 100 Scientists

Top 100 Scientists in Japan 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,299 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Total H Index Rankings

Rankings

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1,214
World Rank
Japan
13
Country Rank
University of Tokyo Logo
1
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
Biomaterials | Polymers | Drug Delivery | Nanotechnolog

H-Index Metrics

  • H-Index
    169
  • i10 Index
    744
  • Citation Counts
    109,539
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* Total H Index Rankings

Rankings

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1,742
World Rank
Japan
19
Country Rank
National Institute for Materials Science Logo
3
University
Ranking Based On Selection:
2
Engineering & Technology / Nanoscience and Nanotechnology
Photocatalysis | Solar energy conversion | Photofunctional Materials | Nanomaterial

H-Index Metrics

  • H-Index
    153
  • i10 Index
    638
  • Citation Counts
    85,978
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* Total H Index Rankings

Rankings

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3,107
World Rank
Japan
34
Country Rank
National Institute for Materials Science Logo
5
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Surface Science | Supramolecular Chemistry | Molecular Recognition | Self-assembl

H-Index Metrics

  • H-Index
    134
  • i10 Index
    777
  • Citation Counts
    71,446
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* Total H Index Rankings

Rankings

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8,427
World Rank
Japan
99
Country Rank
Nagoya University Logo
9
University
Ranking Based On Selection:
4
Engineering & Technology / Nanoscience and Nanotechnology
oxidative stress | ferroptosis | cancer prevention | nanomaterials | plasma medicin

H-Index Metrics

  • H-Index
    104
  • i10 Index
    369
  • Citation Counts
    57,368
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* Total H Index Rankings

Rankings

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14,733
World Rank
Japan
189
Country Rank
National Institute for Materials Science Logo
8
University
Ranking Based On Selection:
5
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Materials Chemistry | Nano Energ

H-Index Metrics

  • H-Index
    89
  • i10 Index
    305
  • Citation Counts
    33,052
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* Total H Index Rankings

Rankings

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16,431
World Rank
Japan
222
Country Rank
Tohoku University Logo
14
University
Ranking Based On Selection:
6
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | secondary battery | functional materials | renewable energ

H-Index Metrics

  • H-Index
    87
  • i10 Index
    313
  • Citation Counts
    34,151
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* Total H Index Rankings

Rankings

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32,826
World Rank
Japan
505
Country Rank
Shinshu University Logo
4
University
Ranking Based On Selection:
7
* Total H Index Rankings

Rankings

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37,041
World Rank
Japan
590
Country Rank
University of Tokyo Logo
36
University
Ranking Based On Selection:
8
Engineering & Technology / Nanoscience and Nanotechnology
Nanoscience | Plasmonics | Electrochemistry | Photoelectrochemistr

H-Index Metrics

  • H-Index
    68
  • i10 Index
    210
  • Citation Counts
    19,031
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* Total H Index Rankings

Rankings

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46,574
World Rank
Japan
786
Country Rank
Kyushu University Logo
31
University
Ranking Based On Selection:
9

H-Index Metrics

  • H-Index
    63
  • i10 Index
    243
  • Citation Counts
    15,767
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* Total H Index Rankings

Rankings

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49,168
World Rank
Japan
829
Country Rank
Tokyo Institute of Technology Logo
28
University
Ranking Based On Selection:
10
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | self-assembly | chemical evolutio

H-Index Metrics

  • H-Index
    62
  • i10 Index
    251
  • Citation Counts
    13,237
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* Total H Index Rankings

Rankings

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49,856
World Rank
Japan
836
Country Rank
Osaka Metropolitan University Logo
4
University
Ranking Based On Selection:
11

H-Index Metrics

  • H-Index
    61
  • i10 Index
    131
  • Citation Counts
    23,208
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* Total H Index Rankings

Rankings

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52,601
World Rank
Japan
904
Country Rank
University of Tokyo Logo
51
University
Ranking Based On Selection:
12

H-Index Metrics

  • H-Index
    60
  • i10 Index
    182
  • Citation Counts
    13,565
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* Total H Index Rankings

Rankings

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55,770
World Rank
Japan
993
Country Rank
Hokkaido University Logo
34
University
Ranking Based On Selection:
13

H-Index Metrics

  • H-Index
    59
  • i10 Index
    238
  • Citation Counts
    14,569
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* Total H Index Rankings

Rankings

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58,424
World Rank
Japan
1,052
Country Rank
Kyushu University Logo
39
University
Ranking Based On Selection:
14
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Nanocarbon | Graphene | Carbon Nanotub

H-Index Metrics

  • H-Index
    58
  • i10 Index
    152
  • Citation Counts
    15,359
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* Total H Index Rankings

Rankings

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59,449
World Rank
Japan
1,075
Country Rank
Okayama University Logo
10
University
Ranking Based On Selection:
15
Engineering & Technology / Nanoscience and Nanotechnology
cancer stem cell | cancer biology | drug delivery | molecular targeting | cancer treatmen

H-Index Metrics

  • H-Index
    58
  • i10 Index
    296
  • Citation Counts
    13,414
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* Total H Index Rankings

Rankings

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61,465
World Rank
Japan
1,102
Country Rank
Hokkaido University Logo
38
University
Ranking Based On Selection:
16
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | semiconductor quantum dots | halide perovskites | physical chemistry | bioimagin

H-Index Metrics

  • H-Index
    57
  • i10 Index
    166
  • Citation Counts
    13,565
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* Total H Index Rankings

Rankings

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63,389
World Rank
Japan
1,144
Country Rank
National Institute for Materials Science Logo
32
University
Ranking Based On Selection:
17
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | in situ TEM | carbon nanotube | transistor | NEM

H-Index Metrics

  • H-Index
    56
  • i10 Index
    102
  • Citation Counts
    14,880
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* Total H Index Rankings

Rankings

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64,382
World Rank
Japan
1,155
Country Rank
Kyoto University Logo
104
University
Ranking Based On Selection:
18
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials science | optical physics | thermal science and engineerin

H-Index Metrics

  • H-Index
    56
  • i10 Index
    113
  • Citation Counts
    13,622
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* Total H Index Rankings

Rankings

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66,014
World Rank
Japan
1,200
Country Rank
National Institute for Materials Science Logo
35
University
Ranking Based On Selection:
19
* Total H Index Rankings

Rankings

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68,872
World Rank
Japan
1,257
Country Rank
Shinshu University Logo
5
University
Ranking Based On Selection:
20
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Phthalocyanine | Porphyrin | Fiber | Textil

H-Index Metrics

  • H-Index
    55
  • i10 Index
    197
  • Citation Counts
    11,537
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* Total H Index Rankings

Rankings

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71,024
World Rank
Japan
1,285
Country Rank
Kyoto University Logo
115
University
Ranking Based On Selection:
21
Engineering & Technology / Nanoscience and Nanotechnology
DNA Nanotechnology | Bioorganic Chemistry | Biophysic

H-Index Metrics

  • H-Index
    54
  • i10 Index
    137
  • Citation Counts
    9,528
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* Total H Index Rankings

Rankings

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76,257
World Rank
Japan
1,406
Country Rank
University of Tokyo Logo
75
University
Ranking Based On Selection:
22

H-Index Metrics

  • H-Index
    53
  • i10 Index
    163
  • Citation Counts
    10,049
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* Total H Index Rankings

Rankings

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76,639
World Rank
Japan
1,416
Country Rank
National Institute for Materials Science Logo
43
University
Ranking Based On Selection:
23
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials - Energy - Plasmonics - Self-Assembl

H-Index Metrics

  • H-Index
    52
  • i10 Index
    111
  • Citation Counts
    12,619
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* Total H Index Rankings

Rankings

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87,247
World Rank
Japan
1,650
Country Rank
Tohoku University Logo
98
University
Ranking Based On Selection:
24
Engineering & Technology / Nanoscience and Nanotechnology
Nanometrology | Precision positioning | Optical senso

H-Index Metrics

  • H-Index
    50
  • i10 Index
    168
  • Citation Counts
    9,809
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* Total H Index Rankings

Rankings

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88,254
World Rank
Japan
1,681
Country Rank
Osaka Metropolitan University Logo
9
University
Ranking Based On Selection:
25