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Japan 23 Scientists H-Index Engineering & Technology / Petroleum 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.
* Total H Index Rankings
Rankings
90,374
World Rank
1,740
Country Rank
34
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
geology | petrology | metamorphic petrology | granulite | crustal evolutio
geology | petrology | metamorphic petrology | granulite | crustal evolutio
H-Index Metrics
-
Total51
-
Last 5 Years30
-
Last 5 Years / Total0.588
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Premium Data
* Total H Index Rankings
Rankings
177,276
World Rank
3,650
Country Rank
31
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
250,799
World Rank
5,325
Country Rank
153
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
299,583
World Rank
6,367
Country Rank
225
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
382,696
World Rank
8,180
Country Rank
486
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
395,192
World Rank
8,466
Country Rank
15
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
541,737
World Rank
11,355
Country Rank
8
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
618,547
World Rank
12,743
Country Rank
580
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
631,735
World Rank
12,953
Country Rank
26
University
Ranking Based On Selection:
9
Engineering & Technology / Petroleum Engineering
Drilling Engineering | Petroleum Engineering | Geothermal Developmen
Drilling Engineering | Petroleum Engineering | Geothermal Developmen
H-Index Metrics
-
Total17
-
Last 5 Years13
-
Last 5 Years / Total0.765
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Premium Data
* Total H Index Rankings
Rankings
670,738
World Rank
13,635
Country Rank
83
University
Ranking Based On Selection:
10
Engineering & Technology / Petroleum Engineering
Igneous petrology | magma science | volcanology | mineralog
Igneous petrology | magma science | volcanology | mineralog
H-Index Metrics
-
Total16
-
Last 5 Years13
-
Last 5 Years / Total0.813
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Premium Data
* Total H Index Rankings
Rankings
693,639
World Rank
14,112
Country Rank
20
University
Ranking Based On Selection:
11
Engineering & Technology / Petroleum Engineering
geology | geochemistry | petrology | analytical chemistr
geology | geochemistry | petrology | analytical chemistr
H-Index Metrics
-
Total15
-
Last 5 Years15
-
Last 5 Years / Total1.000
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Premium Data
* Total H Index Rankings
Rankings
741,106
World Rank
14,897
Country Rank
162
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
756,837
World Rank
15,130
Country Rank
160
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
812,629
World Rank
16,070
Country Rank
26
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
1,074,228
World Rank
19,917
Country Rank
289
University
Ranking Based On Selection:
15
Engineering & Technology / Petroleum Engineering
Metamorphic petrology | Raman spectroscopy | Mineralog
Metamorphic petrology | Raman spectroscopy | Mineralog
H-Index Metrics
-
Total10
-
Last 5 Years7
-
Last 5 Years / Total0.700
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Premium Data
* Total H Index Rankings
Rankings
1,140,561
World Rank
20,882
Country Rank
1,179
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
1,144,377
World Rank
20,937
Country Rank
616
University
Ranking Based On Selection:
17
Engineering & Technology / Petroleum Engineering
origin of life | geology | geochemistry | petrology | resource geolog
origin of life | geology | geochemistry | petrology | resource geolog
H-Index Metrics
-
Total9
-
Last 5 Years8
-
Last 5 Years / Total0.889
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Premium Data
* Total H Index Rankings
Rankings
1,454,308
World Rank
25,013
Country Rank
82
University
Ranking Based On Selection:
18
Engineering & Technology / Petroleum Engineering
Petrology | Geochemistry | Geology | Tectonics | Geoarcheolog
Petrology | Geochemistry | Geology | Tectonics | Geoarcheolog
H-Index Metrics
-
Total7
-
Last 5 Years3
-
Last 5 Years / Total0.429
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Premium Data
* Total H Index Rankings
Rankings
1,703,072
World Rank
28,233
Country Rank
1,275
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
1,835,266
World Rank
29,943
Country Rank
796
University
Ranking Based On Selection:
20
Engineering & Technology / Petroleum Engineering
applied computational mathematics | petroleum engineering | machine learning | reservoir simulatio
applied computational mathematics | petroleum engineering | machine learning | reservoir simulatio
H-Index Metrics
-
Total4
-
Last 5 Years4
-
Last 5 Years / Total1.000
Get Full Access to
Premium Data
* Total H Index Rankings
Rankings
2,035,462
World Rank
32,664
Country Rank
1,789
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
2,141,889
World Rank
34,137
Country Rank
15
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
2,351,415
World Rank
37,203
Country Rank
1,648
University
Ranking Based On Selection:
23
Engineering & Technology / Petroleum Engineering
Petrology | HP metamorphism | Fluid rock interactio
Petrology | HP metamorphism | Fluid rock interactio
H-Index Metrics
-
Total2
-
Last 5 Years2
-
Last 5 Years / Total1.000
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Premium Data
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Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
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