Hirai, Takayuki
The University of Osaka,
Japan
2025 Rank: 80,667
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Chemical Engineering
SubField 2:
Organic Chemistry
Rank in SubField 1: 650 out of 87,981 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 80,667 | 88,929 |
| Total Cites | 1,467 | 1,495 |
| H-index | 17 | 17 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 30 | 30 |
| Number of Single+First+Last Authored Papers | 251 | 251 |
| Total Cites to Single+First+Last Authored Papers | 1,432 | 1,459 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 980 | 988 |
| Ratio of Total Citations to Distinct Citing Papers | 1.50 | 1.51 |
| Self-Citation Percentage |
1.87%
|
|
Hirai, Takayuki
Osaka University,
Japan
2024 Rank: 78,215
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Chemical Engineering
SubField 2:
Organic Chemistry
Rank in SubField 1: 611 out of 79,314 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 78,215 | 91,412 |
| Total Cites | 1,366 | 1,400 |
| H-index | 18 | 18 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 25 | 25 |
| Number of Single+First+Last Authored Papers | 243 | 243 |
| Total Cites to Single+First+Last Authored Papers | 1,338 | 1,372 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 921 | 928 |
| Ratio of Total Citations to Distinct Citing Papers | 1.48 | 1.51 |
| Self-Citation Percentage |
2.43%
|
|
Hirai, Takayuki
Osaka University,
Japan
2023 Rank: 75,779
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Chemical Engineering
SubField 2:
Organic Chemistry
Rank in SubField 1: 557 out of 72,674 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 75,779 | 89,057 |
| Total Cites | 1,367 | 1,389 |
| H-index | 17 | 17 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 28 | 28 |
| Number of Single+First+Last Authored Papers | 235 | 235 |
| Total Cites to Single+First+Last Authored Papers | 1,317 | 1,339 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 912 | 916 |
| Ratio of Total Citations to Distinct Citing Papers | 1.50 | 1.52 |
| Self-Citation Percentage |
1.58%
|
|
Hirai, Takayuki
Osaka University,
Japan
2022 Rank: 57,334
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Chemical Engineering
SubField 2:
Organic Chemistry
Rank in SubField 1: 360 out of 67,880 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 57,334 | 67,879 |
| Total Cites | 1,350 | 1,367 |
| H-index | 17 | 17 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 50 | 50 |
| Number of Single+First+Last Authored Papers | 229 | 229 |
| Total Cites to Single+First+Last Authored Papers | 1,299 | 1,316 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 940 | 945 |
| Ratio of Total Citations to Distinct Citing Papers | 1.44 | 1.45 |
| Self-Citation Percentage |
1.24%
|
|
Hirai, Takayuki
Osaka University,
Japan
2021 Rank: 55,780
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Chemical Engineering
SubField 2:
Organic Chemistry
Rank in SubField 1: 365 out of 66,189 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55,780 | 65,613 |
| Total Cites | 2,078 | 2,121 |
| H-index | 22 | 23 |
| Hm-index | 9 | 9 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 86 | 86 |
| Number of Single+First+Last Authored Papers | 226 | 226 |
| Total Cites to Single+First+Last Authored Papers | 1,984 | 2,027 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,483 | 1,492 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.42 |
| Self-Citation Percentage |
2.03%
|
|
Hirai, Takayuki
Osaka University,
Japan
2020 Rank: 46,236
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
Chemical Engineering
Rank in SubField 1: 735 out of 111,388 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 46,236 | 53,266 |
| Total Cites | 1,603 | 1,646 |
| H-index | 20 | 20 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 76 | 76 |
| Number of Single+First+Last Authored Papers | 220 | 220 |
| Total Cites to Single+First+Last Authored Papers | 1,514 | 1,557 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,177 | 1,183 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.39 |
| Self-Citation Percentage |
2.61%
|
|
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