Hirayama, Masaaki
Institute of Science Tokyo,
Japan
2025 Rank: 169513
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 5380 out of 343394 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 169513 | 123961 |
| Total Cites | 1643 | 1782 |
| H-index | 13 | 14 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 1 | 3 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 43 | 53 |
| Number of Single+First+Last Authored Papers | 31 | 31 |
| Total Cites to Single+First+Last Authored Papers | 73 | 96 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1023 | 1043 |
| Ratio of Total Citations to Distinct Citing Papers | 1.61 | 1.71 |
| Self-Citation Percentage |
7.80%
|
|
Hirayama, Masaaki
Tokyo Institute of Technology,
Japan
2024 Rank: 228009
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 6687 out of 313936 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 228009 | 191167 |
| Total Cites | 1460 | 1557 |
| H-index | 12 | 13 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 1 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 41 | 47 |
| Number of Single+First+Last Authored Papers | 21 | 21 |
| Total Cites to Single+First+Last Authored Papers | 47 | 54 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 889 | 909 |
| Ratio of Total Citations to Distinct Citing Papers | 1.64 | 1.71 |
| Self-Citation Percentage |
6.23%
|
|
Hirayama, Masaaki
Tokyo Institute of Technology,
Japan
2022 Rank: 176468
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 4262 out of 265592 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 176468 | 192086 |
| Total Cites | 1305 | 1379 |
| H-index | 13 | 13 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 55 | 61 |
| Number of Single+First+Last Authored Papers | 14 | 14 |
| Total Cites to Single+First+Last Authored Papers | 66 | 73 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 804 | 821 |
| Ratio of Total Citations to Distinct Citing Papers | 1.62 | 1.68 |
| Self-Citation Percentage |
5.37%
|
|
Hirayama, Masaaki
Tokyo Institute of Technology,
Japan
2021 Rank: 162776
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 3788 out of 229150 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 162776 | 181075 |
| Total Cites | 2016 | 2151 |
| H-index | 17 | 17 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 92 | 101 |
| Number of Single+First+Last Authored Papers | 14 | 14 |
| Total Cites to Single+First+Last Authored Papers | 105 | 118 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1217 | 1245 |
| Ratio of Total Citations to Distinct Citing Papers | 1.66 | 1.73 |
| Self-Citation Percentage |
6.28%
|
|
Hirayama, Masaaki
Tokyo Institute of Technology,
Japan
2020 Rank: 150419
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 3535 out of 186014 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 150419 | 159932 |
| Total Cites | 1448 | 1522 |
| H-index | 14 | 14 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 1 | 1 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 62 | 68 |
| Number of Single+First+Last Authored Papers | 14 | 14 |
| Total Cites to Single+First+Last Authored Papers | 77 | 84 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 878 | 899 |
| Ratio of Total Citations to Distinct Citing Papers | 1.65 | 1.69 |
| Self-Citation Percentage |
4.86%
|
|
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