Hirata, Takafumi
The University of Tokyo,
Japan
2025 Rank: 49,482
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 852 out of 103,460 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,482 | 40,323 |
| Total Cites | 8,315 | 10,734 |
| H-index | 46 | 54 |
| Hm-index | 25 | 28 |
| Number of Single Authored Papers | 13 | 13 |
| Total Cites to Single Authored Papers | 387 | 485 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 1,058 | 1,375 |
| Number of Single+First+Last Authored Papers | 200 | 200 |
| Total Cites to Single+First+Last Authored Papers | 4,781 | 6,291 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6,619 | 7,604 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.41 |
| Self-Citation Percentage |
22.54%
|
|
Hirata, Takafumi
The University of Tokyo,
Japan
2024 Rank: 50,745
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 871 out of 98,126 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 50,745 | 40,814 |
| Total Cites | 7,571 | 9,819 |
| H-index | 43 | 50 |
| Hm-index | 24 | 27 |
| Number of Single Authored Papers | 13 | 13 |
| Total Cites to Single Authored Papers | 378 | 475 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,023 | 1,335 |
| Number of Single+First+Last Authored Papers | 191 | 191 |
| Total Cites to Single+First+Last Authored Papers | 4,395 | 5,820 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6,031 | 6,987 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.41 |
| Self-Citation Percentage |
22.89%
|
|
Hirata, Takafumi
The University of Tokyo,
Japan
2023 Rank: 50,064
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 854 out of 92,230 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 50,064 | 39,758 |
| Total Cites | 6,934 | 9,057 |
| H-index | 42 | 50 |
| Hm-index | 23 | 26 |
| Number of Single Authored Papers | 13 | 13 |
| Total Cites to Single Authored Papers | 374 | 470 |
| Number of Single+First Authored Papers | 34 | 34 |
| Total Cites to Single+First Authored Papers | 997 | 1,302 |
| Number of Single+First+Last Authored Papers | 179 | 179 |
| Total Cites to Single+First+Last Authored Papers | 4,046 | 5,362 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5,521 | 6,427 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.41 |
| Self-Citation Percentage |
23.44%
|
|
Hirata, Takafumi
The University of Tokyo,
Japan
2022 Rank: 49,074
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 846 out of 87,916 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,074 | 39,075 |
| Total Cites | 6,240 | 8,186 |
| H-index | 40 | 47 |
| Hm-index | 22 | 26 |
| Number of Single Authored Papers | 13 | 13 |
| Total Cites to Single Authored Papers | 365 | 459 |
| Number of Single+First Authored Papers | 34 | 34 |
| Total Cites to Single+First Authored Papers | 968 | 1,263 |
| Number of Single+First+Last Authored Papers | 162 | 162 |
| Total Cites to Single+First+Last Authored Papers | 3,689 | 4,892 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,980 | 5,817 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.41 |
| Self-Citation Percentage |
23.77%
|
|
Hirata, Takafumi
The University of Tokyo,
Japan
2021 Rank: 49,747
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 851 out of 81,218 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,747 | 39,094 |
| Total Cites | 5,913 | 7,785 |
| H-index | 39 | 46 |
| Hm-index | 21 | 25 |
| Number of Single Authored Papers | 12 | 12 |
| Total Cites to Single Authored Papers | 357 | 447 |
| Number of Single+First Authored Papers | 32 | 32 |
| Total Cites to Single+First Authored Papers | 939 | 1,227 |
| Number of Single+First+Last Authored Papers | 149 | 149 |
| Total Cites to Single+First+Last Authored Papers | 3,515 | 4,672 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,729 | 5,534 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.41 |
| Self-Citation Percentage |
24.05%
|
|
Hirata, Takafumi
University of Tokyo,
Japan
2020 Rank: 41,393
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Analytical Chemistry
Rank in SubField 1: 681 out of 70,197 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 41,393 | 33,104 |
| Total Cites | 5,399 | 7,019 |
| H-index | 36 | 45 |
| Hm-index | 21 | 24 |
| Number of Single Authored Papers | 13 | 13 |
| Total Cites to Single Authored Papers | 437 | 526 |
| Number of Single+First Authored Papers | 33 | 33 |
| Total Cites to Single+First Authored Papers | 1,216 | 1,495 |
| Number of Single+First+Last Authored Papers | 140 | 140 |
| Total Cites to Single+First+Last Authored Papers | 3,388 | 4,397 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,387 | 5,107 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.37 |
| Self-Citation Percentage |
23.08%
|
|
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