Koyama, Motomichi
Institute for Materials Research, Tohoku University,
Japan
2025 Rank: 208485
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 3018 out of 314399 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 208485 | 136661 |
| Total Cites | 4849 | 7021 |
| H-index | 32 | 39 |
| Hm-index | 12 | 17 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 6 | 14 |
| Number of Single+First Authored Papers | 100 | 100 |
| Total Cites to Single+First Authored Papers | 2868 | 4006 |
| Number of Single+First+Last Authored Papers | 109 | 109 |
| Total Cites to Single+First+Last Authored Papers | 2893 | 4055 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3370 | 3898 |
| Ratio of Total Citations to Distinct Citing Papers | 1.44 | 1.80 |
| Self-Citation Percentage |
30.94%
|
|
Koyama, Motomichi
Tohoku University,
Japan
2024 Rank: 279361
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 4179 out of 299561 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 279361 | 177770 |
| Total Cites | 3993 | 5899 |
| H-index | 31 | 35 |
| Hm-index | 11 | 16 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 1 | 5 |
| Number of Single+First Authored Papers | 96 | 96 |
| Total Cites to Single+First Authored Papers | 2439 | 3480 |
| Number of Single+First+Last Authored Papers | 102 | 102 |
| Total Cites to Single+First+Last Authored Papers | 2459 | 3519 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2768 | 3236 |
| Ratio of Total Citations to Distinct Citing Papers | 1.44 | 1.82 |
| Self-Citation Percentage |
32.31%
|
|
Koyama, Motomichi
Institute for Materials Research, Tohoku University,
Japan
2023 Rank: 296164
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 4370 out of 281605 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 296164 | 199425 |
| Total Cites | 3294 | 5085 |
| H-index | 29 | 34 |
| Hm-index | 10 | 15 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 1 | 3 |
| Number of Single+First Authored Papers | 95 | 95 |
| Total Cites to Single+First Authored Papers | 2074 | 3079 |
| Number of Single+First+Last Authored Papers | 101 | 101 |
| Total Cites to Single+First+Last Authored Papers | 2090 | 3113 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2290 | 2725 |
| Ratio of Total Citations to Distinct Citing Papers | 1.44 | 1.87 |
| Self-Citation Percentage |
35.22%
|
|
Koyama, Motomichi
Institute for Materials Research, Tohoku University,
Japan
2022 Rank: 368262
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 5517 out of 267149 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 368262 | 274271 |
| Total Cites | 2595 | 4172 |
| H-index | 25 | 30 |
| Hm-index | 9 | 14 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 90 | 90 |
| Total Cites to Single+First Authored Papers | 1703 | 2623 |
| Number of Single+First+Last Authored Papers | 96 | 96 |
| Total Cites to Single+First+Last Authored Papers | 1715 | 2647 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1813 | 2202 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.89 |
| Self-Citation Percentage |
37.80%
|
|
Koyama, Motomichi
Institute for Materials Research, Tohoku University,
Japan
2021 Rank: 371541
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Mining & Metallurgy
Rank in SubField 1: 5792 out of 285331 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 371541 | 276752 |
| Total Cites | 2389 | 3866 |
| H-index | 24 | 30 |
| Hm-index | 9 | 13 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 82 | 82 |
| Total Cites to Single+First Authored Papers | 1580 | 2462 |
| Number of Single+First+Last Authored Papers | 88 | 88 |
| Total Cites to Single+First+Last Authored Papers | 1588 | 2480 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1674 | 2042 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.89 |
| Self-Citation Percentage |
38.20%
|
|
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