Numata, Keiji
RIKEN Center for Sustainable Resource Science,
Japan
2025 Rank: 25,143
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Organic Chemistry
Rank in SubField 1: 191 out of 124,976 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 25,143 | 20,350 |
| Total Cites | 1,047 | 1,215 |
| H-index | 15 | 16 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 21 | 28 |
| Number of Single+First Authored Papers | 46 | 46 |
| Total Cites to Single+First Authored Papers | 154 | 169 |
| Number of Single+First+Last Authored Papers | 199 | 199 |
| Total Cites to Single+First+Last Authored Papers | 684 | 817 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 836 | 887 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.37 |
| Self-Citation Percentage |
13.83%
|
|
Numata, Keiji
Kyoto University,
Japan
2024 Rank: 20,585
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Organic Chemistry
Rank in SubField 1: 150 out of 116,445 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,585 | 16,619 |
| Total Cites | 1,035 | 1,244 |
| H-index | 14 | 15 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 23 | 28 |
| Number of Single+First Authored Papers | 45 | 45 |
| Total Cites to Single+First Authored Papers | 183 | 197 |
| Number of Single+First+Last Authored Papers | 181 | 181 |
| Total Cites to Single+First+Last Authored Papers | 710 | 860 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 766 | 832 |
| Ratio of Total Citations to Distinct Citing Papers | 1.35 | 1.50 |
| Self-Citation Percentage |
16.80%
|
|
Numata, Keiji
RIKEN Center for Sustainable Resource Science,
Japan
2023 Rank: 23,722
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Organic Chemistry
Rank in SubField 1: 182 out of 108,979 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 23,722 | 18,359 |
| Total Cites | 957 | 1,164 |
| H-index | 13 | 15 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 28 | 32 |
| Number of Single+First Authored Papers | 45 | 45 |
| Total Cites to Single+First Authored Papers | 184 | 208 |
| Number of Single+First+Last Authored Papers | 164 | 164 |
| Total Cites to Single+First+Last Authored Papers | 640 | 809 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 734 | 790 |
| Ratio of Total Citations to Distinct Citing Papers | 1.30 | 1.47 |
| Self-Citation Percentage |
17.78%
|
|
Numata, Keiji
Riken,
Japan
2022 Rank: 37,186
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Biotechnology
Rank in SubField 1: 301 out of 103,159 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 37,186 | 24,217 |
| Total Cites | 758 | 1,015 |
| H-index | 11 | 13 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 14 | 20 |
| Number of Single+First Authored Papers | 45 | 45 |
| Total Cites to Single+First Authored Papers | 167 | 220 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 519 | 720 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 598 | 664 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.53 |
| Self-Citation Percentage |
25.32%
|
|
Numata, Keiji
Riken,
Japan
2021 Rank: 39,573
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Organic Chemistry
Rank in SubField 1: 350 out of 100,162 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 39,573 | 25,695 |
| Total Cites | 1,055 | 1,438 |
| H-index | 14 | 16 |
| Hm-index | 8 | 10 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 14 | 21 |
| Number of Single+First Authored Papers | 43 | 43 |
| Total Cites to Single+First Authored Papers | 264 | 337 |
| Number of Single+First+Last Authored Papers | 132 | 132 |
| Total Cites to Single+First+Last Authored Papers | 738 | 1,054 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 828 | 909 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.58 |
| Self-Citation Percentage |
26.63%
|
|
Numata, Keiji
Riken,
Japan
2020 Rank: 70,161
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Polymers
SubField 2:
Organic Chemistry
Rank in SubField 1: 689 out of 80,670 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 70,161 | 36,764 |
| Total Cites | 619 | 881 |
| H-index | 12 | 13 |
| Hm-index | 6 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 2 | 10 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 195 | 261 |
| Number of Single+First+Last Authored Papers | 113 | 113 |
| Total Cites to Single+First+Last Authored Papers | 484 | 695 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 495 | 565 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.56 |
| Self-Citation Percentage |
29.74%
|
|
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