Ukai, Shigeharu
Hokkaido University,
Japan
2025 Rank: 81,672
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 1,127 out of 343,394 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 81,672 | 69,842 |
| Total Cites | 7,380 | 9,544 |
| H-index | 42 | 50 |
| Hm-index | 20 | 22 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 66 | 82 |
| Number of Single+First Authored Papers | 50 | 50 |
| Total Cites to Single+First Authored Papers | 2,515 | 3,101 |
| Number of Single+First+Last Authored Papers | 122 | 122 |
| Total Cites to Single+First+Last Authored Papers | 3,536 | 4,425 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,874 | 4,282 |
| Ratio of Total Citations to Distinct Citing Papers | 1.91 | 2.23 |
| Self-Citation Percentage |
22.67%
|
|
Ukai, Shigeharu
Hokkaido University,
Japan
2022 Rank: 94,410
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Materials
Rank in SubField 1: 1,120 out of 265,592 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 94,410 | 78,440 |
| Total Cites | 5,252 | 7,124 |
| H-index | 36 | 43 |
| Hm-index | 16 | 18 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 48 | 64 |
| Number of Single+First Authored Papers | 45 | 45 |
| Total Cites to Single+First Authored Papers | 2,006 | 2,546 |
| Number of Single+First+Last Authored Papers | 111 | 111 |
| Total Cites to Single+First+Last Authored Papers | 2,630 | 3,419 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,722 | 3,085 |
| Ratio of Total Citations to Distinct Citing Papers | 1.93 | 2.31 |
| Self-Citation Percentage |
26.28%
|
|
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