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World Scientist and University Rankings 2026

Institute of Science Tokyo Others 686 Scientists Subject Rankings

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 yearsAs of Jan 06, 2026, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H Index Rankings

Rankings

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7,770
World Rank
94
Country Rank
4
University
Ranking Based On Selection:
1

H-Index Metrics

  • H-Index
    109
  • i10 Index
    372
  • Citation Counts
    101,887
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* Total H Index Rankings

Rankings

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24,609
World Rank
378
Country Rank
8
University
Ranking Based On Selection:
2
Others
光化学、人工光合成、光触

H-Index Metrics

  • H-Index
    79
  • i10 Index
    190
  • Citation Counts
    21,565
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* Total H Index Rankings

Rankings

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50,734
World Rank
868
Country Rank
28
University
Ranking Based On Selection:
3
Others
無線通信、電磁界理論、アンテ

H-Index Metrics

  • H-Index
    63
  • i10 Index
    337
  • Citation Counts
    18,752
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* Total H Index Rankings

Rankings

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56,193
World Rank
1,015
Country Rank
34
University
Ranking Based On Selection:
4
Others
VCSE

H-Index Metrics

  • H-Index
    61
  • i10 Index
    354
  • Citation Counts
    17,688
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* Total H Index Rankings

Rankings

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66,690
World Rank
1,219
Country Rank
43
University
Ranking Based On Selection:
5
Others
物質科

H-Index Metrics

  • H-Index
    57
  • i10 Index
    141
  • Citation Counts
    13,829
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* Total H Index Rankings

Rankings

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70,748
World Rank
1,300
Country Rank
45
University
Ranking Based On Selection:
6

H-Index Metrics

  • H-Index
    56
  • i10 Index
    159
  • Citation Counts
    17,831
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* Total H Index Rankings

Rankings

flag
71,218
World Rank
1,313
Country Rank
46
University
Ranking Based On Selection:
7

H-Index Metrics

  • H-Index
    56
  • i10 Index
    310
  • Citation Counts
    12,389
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* Total H Index Rankings

Rankings

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81,106
World Rank
1,525
Country Rank
51
University
Ranking Based On Selection:
8
Others
電気化

H-Index Metrics

  • H-Index
    53
  • i10 Index
    112
  • Citation Counts
    8,513
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* Total H Index Rankings

Rankings

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86,347
World Rank
1,644
Country Rank
55
University
Ranking Based On Selection:
9
Others
ultrasonics | fiber senso

H-Index Metrics

  • H-Index
    52
  • i10 Index
    270
  • Citation Counts
    11,990
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* Total H Index Rankings

Rankings

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87,903
World Rank
1,688
Country Rank
56
University
Ranking Based On Selection:
10

H-Index Metrics

  • H-Index
    51
  • i10 Index
    74
  • Citation Counts
    17,109
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* Total H Index Rankings

Rankings

flag
89,808
World Rank
1,725
Country Rank
57
University
Ranking Based On Selection:
11

H-Index Metrics

  • H-Index
    51
  • i10 Index
    207
  • Citation Counts
    9,364
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* Total H Index Rankings

Rankings

flag
90,772
World Rank
1,753
Country Rank
58
University
Ranking Based On Selection:
12

H-Index Metrics

  • H-Index
    51
  • i10 Index
    91
  • Citation Counts
    7,531
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* Total H Index Rankings

Rankings

flag
93,247
World Rank
1,803
Country Rank
61
University
Ranking Based On Selection:
13
Others
Millimeter-wave | Phased-Array | PLL | Wireless | CMO

H-Index Metrics

  • H-Index
    50
  • i10 Index
    220
  • Citation Counts
    10,714
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* Total H Index Rankings

Rankings

flag
96,407
World Rank
1,893
Country Rank
64
University
Ranking Based On Selection:
14
Others
homologous recombination | DNA repai

H-Index Metrics

  • H-Index
    50
  • i10 Index
    97
  • Citation Counts
    7,844
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* Total H Index Rankings

Rankings

flag
101,383
World Rank
2,011
Country Rank
69
University
Ranking Based On Selection:
15
Others
Biochemistr

H-Index Metrics

  • H-Index
    49
  • i10 Index
    135
  • Citation Counts
    6,703
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* Total H Index Rankings

Rankings

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104,837
World Rank
2,063
Country Rank
71
University
Ranking Based On Selection:
16

H-Index Metrics

  • H-Index
    48
  • i10 Index
    146
  • Citation Counts
    8,567
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* Total H Index Rankings

Rankings

flag
118,113
World Rank
2,362
Country Rank
83
University
Ranking Based On Selection:
17
Others
Electron Device

H-Index Metrics

  • H-Index
    46
  • i10 Index
    205
  • Citation Counts
    9,162
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* Total H Index Rankings

Rankings

flag
119,784
World Rank
2,379
Country Rank
84
University
Ranking Based On Selection:
18
Others
Systems and control | Networked control systems | Multi-agent system

H-Index Metrics

  • H-Index
    45
  • i10 Index
    132
  • Citation Counts
    8,996
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* Total H Index Rankings

Rankings

flag
121,297
World Rank
2,406
Country Rank
1
University
Ranking Based On Selection:
19
Others
Brain tumor | neuropatholog

H-Index Metrics

  • H-Index
    45
  • i10 Index
    129
  • Citation Counts
    8,542
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* Total H Index Rankings

Rankings

flag
123,496
World Rank
2,469
Country Rank
89
University
Ranking Based On Selection:
20
Others
Functional polymer

H-Index Metrics

  • H-Index
    45
  • i10 Index
    91
  • Citation Counts
    6,630
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* Total H Index Rankings

Rankings

flag
130,115
World Rank
2,613
Country Rank
93
University
Ranking Based On Selection:
21
Others
Regulation of Photosynthesi

H-Index Metrics

  • H-Index
    44
  • i10 Index
    89
  • Citation Counts
    6,647
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* Total H Index Rankings

Rankings

flag
137,575
World Rank
2,780
Country Rank
95
University
Ranking Based On Selection:
22
Others
固体触

H-Index Metrics

  • H-Index
    43
  • i10 Index
    96
  • Citation Counts
    4,992
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* Total H Index Rankings

Rankings

flag
137,859
World Rank
2,790
Country Rank
96
University
Ranking Based On Selection:
23
Others
ヒューマンインタフェー

H-Index Metrics

  • H-Index
    43
  • i10 Index
    147
  • Citation Counts
    7,275
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* Total H Index Rankings

Rankings

flag
159,125
World Rank
3,235
Country Rank
111
University
Ranking Based On Selection:
24

H-Index Metrics

  • H-Index
    40
  • i10 Index
    114
  • Citation Counts
    5,750
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* Total H Index Rankings

Rankings

flag
161,237
World Rank
3,298
Country Rank
114
University
Ranking Based On Selection:
25

H-Index Metrics

  • H-Index
    40
  • i10 Index
    145
  • Citation Counts
    6,093
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