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Koike, Kazuhiko

Graduate School of Medicine, Japan

2025 Rank: 24,177

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 281 out of 108,265 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score24,17722,589
Total Cites4,4584,926
H-index2427
Hm-index78
Number of Single Authored Papers2929
Total Cites to Single Authored Papers44
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers2324
Number of Single+First+Last Authored Papers819819
Total Cites to Single+First+Last Authored Papers2,2522,523
Composite Score33
Number of Distinct Citing Papers3,9934,271
Ratio of Total Citations to Distinct Citing Papers 1.12 1.15
Self-Citation Percentage
9.50%
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Koike, Kazuhiko

The University of Tokyo, Japan

2024 Rank: 15,156

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 180 out of 103,730 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score15,15616,280
Total Cites4,6915,215
H-index2627
Hm-index88
Number of Single Authored Papers2929
Total Cites to Single Authored Papers77
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers2727
Number of Single+First+Last Authored Papers817817
Total Cites to Single+First+Last Authored Papers2,3762,672
Composite Score33
Number of Distinct Citing Papers4,1224,422
Ratio of Total Citations to Distinct Citing Papers 1.14 1.18
Self-Citation Percentage
10.05%
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Koike, Kazuhiko

Graduate School of Medicine, Japan

2023 Rank: 13,465

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 159 out of 98,720 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score13,46512,375
Total Cites4,3024,758
H-index2426
Hm-index88
Number of Single Authored Papers2929
Total Cites to Single Authored Papers1314
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers4042
Number of Single+First+Last Authored Papers816816
Total Cites to Single+First+Last Authored Papers2,3982,678
Composite Score33
Number of Distinct Citing Papers3,7173,974
Ratio of Total Citations to Distinct Citing Papers 1.16 1.20
Self-Citation Percentage
9.58%
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Koike, Kazuhiko

Graduate School of Medicine, Japan

2022 Rank: 13,901

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 171 out of 95,371 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score13,90112,233
Total Cites3,3613,794
H-index2224
Hm-index89
Number of Single Authored Papers2929
Total Cites to Single Authored Papers1215
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers4152
Number of Single+First+Last Authored Papers806806
Total Cites to Single+First+Last Authored Papers2,1572,431
Composite Score33
Number of Distinct Citing Papers2,7912,966
Ratio of Total Citations to Distinct Citing Papers 1.20 1.28
Self-Citation Percentage
11.41%
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Koike, Kazuhiko

The University of Tokyo, Japan

2021 Rank: 18,458

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 206 out of 91,513 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score18,45817,174
Total Cites4,2984,963
H-index2627
Hm-index1011
Number of Single Authored Papers2929
Total Cites to Single Authored Papers1214
Number of Single+First Authored Papers5555
Total Cites to Single+First Authored Papers5660
Number of Single+First+Last Authored Papers746746
Total Cites to Single+First+Last Authored Papers2,9153,357
Composite Score33
Number of Distinct Citing Papers3,6333,890
Ratio of Total Citations to Distinct Citing Papers 1.18 1.28
Self-Citation Percentage
13.40%
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Koike, Kazuhiko

University of Tokyo, Japan

2020 Rank: 16,239

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Gastroenterology & Hepatology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 182 out of 76,367 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score16,23916,370
Total Cites2,8763,302
H-index2121
Hm-index78
Number of Single Authored Papers2929
Total Cites to Single Authored Papers1919
Number of Single+First Authored Papers5454
Total Cites to Single+First Authored Papers6163
Number of Single+First+Last Authored Papers686686
Total Cites to Single+First+Last Authored Papers1,9072,181
Composite Score33
Number of Distinct Citing Papers2,4842,685
Ratio of Total Citations to Distinct Citing Papers 1.16 1.23
Self-Citation Percentage
12.90%
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