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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2026 Rank: 134,524

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 768 out of 71,926 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score134,524131,395
Total Cites1,3861,610
H-index1515
Hm-index56
Number of Single Authored Papers55
Total Cites to Single Authored Papers11
Number of Single+First Authored Papers4040
Total Cites to Single+First Authored Papers3741
Number of Single+First+Last Authored Papers183183
Total Cites to Single+First+Last Authored Papers230295
Composite Score22
Number of Distinct Citing Papers1,0951,203
Ratio of Total Citations to Distinct Citing Papers 1.27 1.34
Self-Citation Percentage
13.91%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University, United States

2025 Rank: 156,918

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 921 out of 68,788 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score156,918154,663
Total Cites1,2641,502
H-index1415
Hm-index56
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers4040
Total Cites to Single+First Authored Papers3942
Number of Single+First+Last Authored Papers167167
Total Cites to Single+First+Last Authored Papers238297
Composite Score22
Number of Distinct Citing Papers9371,043
Ratio of Total Citations to Distinct Citing Papers 1.35 1.44
Self-Citation Percentage
15.85%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2024 Rank: 135,552

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 876 out of 65,702 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score135,552133,189
Total Cites1,2131,448
H-index1515
Hm-index55
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers3939
Total Cites to Single+First Authored Papers5359
Number of Single+First+Last Authored Papers156156
Total Cites to Single+First+Last Authored Papers212289
Composite Score22
Number of Distinct Citing Papers900991
Ratio of Total Citations to Distinct Citing Papers 1.35 1.46
Self-Citation Percentage
16.23%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2023 Rank: 119,081

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 820 out of 62,427 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score119,081110,609
Total Cites1,3221,524
H-index1617
Hm-index56
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers3939
Total Cites to Single+First Authored Papers5460
Number of Single+First+Last Authored Papers137137
Total Cites to Single+First+Last Authored Papers245297
Composite Score22
Number of Distinct Citing Papers9331,036
Ratio of Total Citations to Distinct Citing Papers 1.42 1.47
Self-Citation Percentage
13.25%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2022 Rank: 123,674

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 937 out of 60,663 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score123,674130,422
Total Cites1,1741,320
H-index1516
Hm-index55
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers3838
Total Cites to Single+First Authored Papers4551
Number of Single+First+Last Authored Papers122122
Total Cites to Single+First+Last Authored Papers238266
Composite Score22
Number of Distinct Citing Papers864950
Ratio of Total Citations to Distinct Citing Papers 1.36 1.39
Self-Citation Percentage
11.06%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2021 Rank: 116,645

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 895 out of 60,468 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score116,645115,428
Total Cites1,7772,052
H-index2022
Hm-index77
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers3838
Total Cites to Single+First Authored Papers6882
Number of Single+First+Last Authored Papers111111
Total Cites to Single+First+Last Authored Papers350403
Composite Score22
Number of Distinct Citing Papers1,2861,430
Ratio of Total Citations to Distinct Citing Papers 1.38 1.43
Self-Citation Percentage
13.40%
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Takayama, Hiroo

Takayama, Hiroo

Columbia University Irving Medical Center, United States

2020 Rank: 120,856

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Respiratory System

SubField 2:

Cardiovascular System & Hematology

Rank in SubField 1: 829 out of 52,718 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score120,856110,098
Total Cites1,2241,474
H-index1618
Hm-index66
Number of Single Authored Papers55
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers3434
Total Cites to Single+First Authored Papers5974
Number of Single+First+Last Authored Papers8787
Total Cites to Single+First+Last Authored Papers219281
Composite Score22
Number of Distinct Citing Papers849964
Ratio of Total Citations to Distinct Citing Papers 1.44 1.53
Self-Citation Percentage
16.96%
Found an error in your data? Contact us with your profile link. Contact Us →
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