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Highly Cited Researchers

Engineering & Technology Highly Cited Researchers 100 Scientists Citation Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 100 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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261,054
World Rank
Nigeria
311
Country Rank
University of Calabar Logo
7
University
Ranking Based On Selection:
1
Ozioma Akakuru
University of Calabar Calabar, Nigeria
Engineering & Technology / Metallurgical & Materials Engineering
Cancer theranostics nanobiomaterial

Citation Metrics

  • Total
    4,466
  • Last 5 Years
    4,372
  • Last 5 Years / Total
    0.979
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* Total Citation Counts Rankings

Rankings

flag
275,438
World Rank
Nigeria
342
Country Rank
University of Calabar Logo
8
University
Ranking Based On Selection:
2
Aniekan Edet
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Hydrochemistr

Citation Metrics

  • Total
    4,207
  • Last 5 Years
    2,366
  • Last 5 Years / Total
    0.562
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* Total Citation Counts Rankings

Rankings

flag
383,300
World Rank
Nigeria
663
Country Rank
University of Calabar Logo
18
University
Ranking Based On Selection:
3
Henrietta N. Ene-Obong
University of Calabar Calabar, Nigeria
Engineering & Technology / Food Science and Engineering
Food Composition and Dietary Assessmen

Citation Metrics

  • Total
    2,835
  • Last 5 Years
    1,374
  • Last 5 Years / Total
    0.485
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* Total Citation Counts Rankings

Rankings

flag
445,619
World Rank
Nigeria
902
Country Rank
University of Calabar Logo
25
University
Ranking Based On Selection:
4
Anthony E. Akpan
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Solid Earth Physics | Renewable and Sustainable Energy | Applied Geophysic

Citation Metrics

  • Total
    2,318
  • Last 5 Years
    1,915
  • Last 5 Years / Total
    0.826
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* Total Citation Counts Rankings

Rankings

flag
533,463
World Rank
Nigeria
1,333
Country Rank
University of Calabar Logo
34
University
Ranking Based On Selection:
5
BN Ekwueme
University of Calabar Calabar, Nigeria
Engineering & Technology / Petroleum Engineering
Mineralogy | Petrology | Crystallography | Structural Geology Geochronolog

Citation Metrics

  • Total
    1,786
  • Last 5 Years
    763
  • Last 5 Years / Total
    0.427
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* Total Citation Counts Rankings

Rankings

flag
625,074
World Rank
Nigeria
1,903
Country Rank
University of Calabar Logo
48
University
Ranking Based On Selection:
6
Magdalene Edet Ikpi
University of Calabar Calabar, Nigeria
Engineering & Technology / Metallurgical & Materials Engineering
Corrosion | Corrosion inhibition | Materials Science | Electrochemistry | Low-dimensional quantum dot structure

Citation Metrics

  • Total
    1,379
  • Last 5 Years
    605
  • Last 5 Years / Total
    0.439
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* Total Citation Counts Rankings

Rankings

flag
649,329
World Rank
Nigeria
2,097
Country Rank
University of Calabar Logo
56
University
Ranking Based On Selection:
7
Therese Ntonzi Nganje
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Applied Geochemsitry (Environmental and Petroleum Geochemistry) | Hydrogeochemistry | Medical Geolog

Citation Metrics

  • Total
    1,289
  • Last 5 Years
    799
  • Last 5 Years / Total
    0.620
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* Total Citation Counts Rankings

Rankings

flag
713,225
World Rank
Nigeria
2,777
Country Rank
University of Calabar Logo
78
University
Ranking Based On Selection:
8
Michael Oko Odey
University of Calabar Calabar, Nigeria
Engineering & Technology / Environmental Science & Engineering
Environmental Biochemistry | Environmental Health | Clinical Biochemistry | Phytomedicin

Citation Metrics

  • Total
    1,083
  • Last 5 Years
    592
  • Last 5 Years / Total
    0.547
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* Total Citation Counts Rankings

Rankings

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737,431
World Rank
Nigeria
3,107
Country Rank
University of Calabar Logo
84
University
Ranking Based On Selection:
9
Joseph Effiom-Edem Ntibi, Mni
University of Calabar Calabar, Nigeria
Engineering & Technology / Metallurgical & Materials Engineering
Solid State Electronics | Solar Energy Materials | Materials science | ICT in Education & e-learning | semiconductor

Citation Metrics

  • Total
    1,014
  • Last 5 Years
    983
  • Last 5 Years / Total
    0.969
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* Total Citation Counts Rankings

Rankings

flag
748,767
World Rank
Nigeria
3,245
Country Rank
University of Calabar Logo
89
University
Ranking Based On Selection:
10
Omeka Michael
University of Calabar Calabar, Nigeria
Engineering & Technology / Environmental Science & Engineering
Hydrogeochemistry | Geoenvironmental Engineering | Hazard risk assessment | Machine learnin

Citation Metrics

  • Total
    983
  • Last 5 Years
    983
  • Last 5 Years / Total
    1.000
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* Total Citation Counts Rankings

Rankings

flag
765,484
World Rank
Nigeria
3,521
Country Rank
University of Calabar Logo
99
University
Ranking Based On Selection:
11
Eo Esu
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Petrophysics | Hydrogeology and Geotechnique

Citation Metrics

  • Total
    940
  • Last 5 Years
    383
  • Last 5 Years / Total
    0.407
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* Total Citation Counts Rankings

Rankings

flag
782,426
World Rank
Nigeria
3,795
Country Rank
University of Calabar Logo
109
University
Ranking Based On Selection:
12
Eyo E. Nyong
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Sedimentology | Petroleum Geolog

Citation Metrics

  • Total
    898
  • Last 5 Years
    268
  • Last 5 Years / Total
    0.298
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* Total Citation Counts Rankings

Rankings

flag
789,141
World Rank
Nigeria
3,892
Country Rank
University of Calabar Logo
111
University
Ranking Based On Selection:
13
Iwara I. Arikpo
University of Calabar Calabar, Nigeria
Engineering & Technology / Computer Science
Software Engineering | Health Informatics | Data Scienc

Citation Metrics

  • Total
    881
  • Last 5 Years
    665
  • Last 5 Years / Total
    0.755
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* Total Citation Counts Rankings

Rankings

flag
806,296
World Rank
Nigeria
4,161
Country Rank
University of Calabar Logo
119
University
Ranking Based On Selection:
14
Udiba Udiba U
University of Calabar Calabar, Nigeria
Engineering & Technology / Environmental Science & Engineering
Environmental Pollution and Toxicolog

Citation Metrics

  • Total
    841
  • Last 5 Years
    454
  • Last 5 Years / Total
    0.540
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* Total Citation Counts Rankings

Rankings

flag
969,278
World Rank
Nigeria
6,936
Country Rank
University of Calabar Logo
216
University
Ranking Based On Selection:
15
Imo Ekpo
University of Calabar Calabar, Nigeria
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Waste Management | Pollution Studie

Citation Metrics

  • Total
    554
  • Last 5 Years
    237
  • Last 5 Years / Total
    0.428
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* Total Citation Counts Rankings

Rankings

flag
971,358
World Rank
Nigeria
6,969
Country Rank
University of Calabar Logo
218
University
Ranking Based On Selection:
16
Ezeorah Jonathan Nnabuchi
University of Calabar Calabar, Nigeria
Engineering & Technology / Computer Science
Applied Mathematics | Computer Scienc

Citation Metrics

  • Total
    551
  • Last 5 Years
    414
  • Last 5 Years / Total
    0.751
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* Total Citation Counts Rankings

Rankings

flag
971,874
World Rank
Nigeria
6,977
Country Rank
University of Calabar Logo
219
University
Ranking Based On Selection:
17
Victoria Mfon Bassey
University of Calabar Calabar, Nigeria
Engineering & Technology / Metallurgical & Materials Engineering
Electrochemistry | Material Science | Corrosion | Computational | Theoretical Chemistr

Citation Metrics

  • Total
    550
  • Last 5 Years
    541
  • Last 5 Years / Total
    0.984
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* Total Citation Counts Rankings

Rankings

flag
1,032,681
World Rank
Nigeria
8,130
Country Rank
University of Calabar Logo
264
University
Ranking Based On Selection:
18
Emeka E. Okwueze
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Applied Geophysic

Citation Metrics

  • Total
    479
  • Last 5 Years
    186
  • Last 5 Years / Total
    0.388
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* Total Citation Counts Rankings

Rankings

flag
1,037,853
World Rank
Nigeria
8,235
Country Rank
University of Calabar Logo
270
University
Ranking Based On Selection:
19
Faithpraise, Fina O.
University of Calabar Calabar, Nigeria
Engineering & Technology / Computer Science
Computer Engineering Image processing | Electronic circuit design | Renewable Energy | Bio-control | En

Citation Metrics

  • Total
    473
  • Last 5 Years
    337
  • Last 5 Years / Total
    0.712
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* Total Citation Counts Rankings

Rankings

flag
1,061,360
World Rank
Nigeria
8,680
Country Rank
University of Calabar Logo
291
University
Ranking Based On Selection:
20
Ayei E. Ibor
University of Calabar Calabar, Nigeria
Engineering & Technology / Computer Science
Cybersecurity | Cyber Resilience | Cyber Threat Intelligence | Deep Learning | Intelligent System

Citation Metrics

  • Total
    448
  • Last 5 Years
    431
  • Last 5 Years / Total
    0.962
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* Total Citation Counts Rankings

Rankings

flag
1,089,273
World Rank
Nigeria
9,246
Country Rank
University of Calabar Logo
316
University
Ranking Based On Selection:
21
Anthony Ugbaja
University of Calabar Calabar, Nigeria
Engineering & Technology / Earth Sciences
Geology/ Environmental/ Engineering/Hydrogeolog

Citation Metrics

  • Total
    421
  • Last 5 Years
    244
  • Last 5 Years / Total
    0.580
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* Total Citation Counts Rankings

Rankings

flag
1,120,849
World Rank
Nigeria
9,884
Country Rank
University of Calabar Logo
338
University
Ranking Based On Selection:
22
Bassey Ephraim
University of Calabar Calabar, Nigeria
Engineering & Technology / Petroleum Engineering
Petrology | Geochemistry and Mineral Exploratio

Citation Metrics

  • Total
    392
  • Last 5 Years
    248
  • Last 5 Years / Total
    0.633
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* Total Citation Counts Rankings

Rankings

flag
1,154,236
World Rank
Nigeria
10,491
Country Rank
University of Calabar Logo
364
University
Ranking Based On Selection:
23
Josiah A. Lennox
University of Calabar Calabar, Nigeria
Engineering & Technology / Food Science and Engineering
Food microbiology | Industrial microbiology

Citation Metrics

  • Total
    364
  • Last 5 Years
    205
  • Last 5 Years / Total
    0.563
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* Total Citation Counts Rankings

Rankings

flag
1,173,568
World Rank
Nigeria
10,867
Country Rank
University of Calabar Logo
382
University
Ranking Based On Selection:
24
Effiom Antia
University of Calabar Calabar, Nigeria
Engineering & Technology / Marine Sciences and Engineering
Coastal processes | marine sediment transpor

Citation Metrics

  • Total
    349
  • Last 5 Years
    53
  • Last 5 Years / Total
    0.152
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* Total Citation Counts Rankings

Rankings

flag
1,175,681
World Rank
Nigeria
10,910
Country Rank
University of Calabar Logo
384
University
Ranking Based On Selection:
25
Ogba Ofonime M.
University of Calabar Calabar, Nigeria
Engineering & Technology / Biomedical Engineering
INFECTIOUS DISEASES | BIOMEDICAL SCIENCE | MYCOSES | ANTIMICROBIAL RESISTANCE | PUBLIC HEALTH MICROBIOL

Citation Metrics

  • Total
    347
  • Last 5 Years
    244
  • Last 5 Years / Total
    0.703
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