JapanOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3,656 out of 314,399 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 244,664 | 210,033 |
| Total Cites | 3,330 | 4,340 |
| H-index | 31 | 37 |
| Hm-index | 16 | 18 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 61 | 74 |
| Number of Single+First Authored Papers | 25 | 25 |
| Total Cites to Single+First Authored Papers | 140 | 179 |
| Number of Single+First+Last Authored Papers | 144 | 144 |
| Total Cites to Single+First+Last Authored Papers | 2,209 | 2,897 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,679 | 2,978 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.46 |
| Self-Citation Percentage |
23.27%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3,419 out of 299,561 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 235,695 | 201,113 |
| Total Cites | 3,148 | 4,158 |
| H-index | 30 | 36 |
| Hm-index | 15 | 18 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 61 | 74 |
| Number of Single+First Authored Papers | 25 | 25 |
| Total Cites to Single+First Authored Papers | 136 | 175 |
| Number of Single+First+Last Authored Papers | 143 | 143 |
| Total Cites to Single+First+Last Authored Papers | 2,084 | 2,774 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,533 | 2,831 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.47 |
| Self-Citation Percentage |
24.29%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3,359 out of 281,605 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 236,670 | 196,180 |
| Total Cites | 2,973 | 3,975 |
| H-index | 27 | 35 |
| Hm-index | 15 | 18 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 58 | 71 |
| Number of Single+First Authored Papers | 25 | 25 |
| Total Cites to Single+First Authored Papers | 128 | 167 |
| Number of Single+First+Last Authored Papers | 144 | 144 |
| Total Cites to Single+First+Last Authored Papers | 1,990 | 2,676 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,377 | 2,674 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.49 |
| Self-Citation Percentage |
25.21%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3,182 out of 267,149 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 228,794 | 186,384 |
| Total Cites | 2,759 | 3,741 |
| H-index | 26 | 33 |
| Hm-index | 15 | 18 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 57 | 71 |
| Number of Single+First Authored Papers | 25 | 25 |
| Total Cites to Single+First Authored Papers | 120 | 160 |
| Number of Single+First+Last Authored Papers | 147 | 147 |
| Total Cites to Single+First+Last Authored Papers | 1,845 | 2,516 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,195 | 2,483 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.51 |
| Self-Citation Percentage |
26.25%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3,181 out of 285,331 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 221,698 | 184,502 |
| Total Cites | 2,663 | 3,629 |
| H-index | 27 | 32 |
| Hm-index | 14 | 17 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 54 | 68 |
| Number of Single+First Authored Papers | 24 | 24 |
| Total Cites to Single+First Authored Papers | 112 | 152 |
| Number of Single+First+Last Authored Papers | 142 | 142 |
| Total Cites to Single+First+Last Authored Papers | 1,786 | 2,445 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,109 | 2,391 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.52 |
| Self-Citation Percentage |
26.62%
|
|
Nagai, Kotobu
National Institute for Materials Science,
2020 Rank: 215,274
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 2,896 out of 177,931 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 215,274 | 175,909 |
| Total Cites | 2,385 | 3,323 |
| H-index | 26 | 31 |
| Hm-index | 13 | 16 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 54 | 68 |
| Number of Single+First Authored Papers | 24 | 24 |
| Total Cites to Single+First Authored Papers | 106 | 145 |
| Number of Single+First+Last Authored Papers | 144 | 144 |
| Total Cites to Single+First+Last Authored Papers | 1,609 | 2,250 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,876 | 2,150 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.55 |
| Self-Citation Percentage |
28.23%
|
|
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