Oka, Yoshiaki
The University of Tokyo,
Japan
2025 Rank: 177,308
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Mechanical Engineering & Transports
Rank in SubField 1: 2,672 out of 343,394 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 177,308 | 156,738 |
| Total Cites | 6,460 | 8,114 |
| H-index | 36 | 41 |
| Hm-index | 18 | 21 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 13 | 14 |
| Number of Single+First Authored Papers | 57 | 57 |
| Total Cites to Single+First Authored Papers | 485 | 656 |
| Number of Single+First+Last Authored Papers | 189 | 189 |
| Total Cites to Single+First+Last Authored Papers | 5,125 | 6,223 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,133 | 4,474 |
| Ratio of Total Citations to Distinct Citing Papers | 1.56 | 1.81 |
| Self-Citation Percentage |
20.38%
|
|
Oka, Yoshiaki
The University of Tokyo,
Japan
2024 Rank: 210,285
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Mechanical Engineering & Transports
Rank in SubField 1: 3,086 out of 313,936 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 210,285 | 188,212 |
| Total Cites | 6,086 | 7,711 |
| H-index | 35 | 41 |
| Hm-index | 17 | 21 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 457 | 624 |
| Number of Single+First+Last Authored Papers | 187 | 187 |
| Total Cites to Single+First+Last Authored Papers | 4,803 | 5,879 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,872 | 4,210 |
| Ratio of Total Citations to Distinct Citing Papers | 1.57 | 1.83 |
| Self-Citation Percentage |
21.07%
|
|
Oka, Yoshiaki
The University of Tokyo,
Japan
2023 Rank: 221,445
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Mechanical Engineering & Transports
Rank in SubField 1: 3,137 out of 287,766 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 221,445 | 200,973 |
| Total Cites | 5,717 | 7,315 |
| H-index | 34 | 39 |
| Hm-index | 17 | 20 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 2 | 2 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 441 | 606 |
| Number of Single+First+Last Authored Papers | 187 | 187 |
| Total Cites to Single+First+Last Authored Papers | 4,485 | 5,544 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,638 | 3,975 |
| Ratio of Total Citations to Distinct Citing Papers | 1.57 | 1.84 |
| Self-Citation Percentage |
21.85%
|
|
Oka, Yoshiaki
The University of Tokyo,
Japan
2022 Rank: 264,333
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Mechanical Engineering & Transports
Rank in SubField 1: 3,710 out of 265,592 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 264,333 | 232,447 |
| Total Cites | 5,274 | 6,820 |
| H-index | 32 | 38 |
| Hm-index | 16 | 20 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 55 | 55 |
| Total Cites to Single+First Authored Papers | 426 | 591 |
| Number of Single+First+Last Authored Papers | 186 | 186 |
| Total Cites to Single+First+Last Authored Papers | 4,110 | 5,126 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,340 | 3,670 |
| Ratio of Total Citations to Distinct Citing Papers | 1.58 | 1.86 |
| Self-Citation Percentage |
22.67%
|
|
Oka, Yoshiaki
University of Tokyo,
Japan
2020 Rank: 237,660
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Energy
SubField 2:
Mechanical Engineering & Transports
Rank in SubField 1: 2,972 out of 186,014 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 237,660 | 210,540 |
| Total Cites | 4,737 | 6,161 |
| H-index | 32 | 37 |
| Hm-index | 15 | 19 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 54 | 54 |
| Total Cites to Single+First Authored Papers | 405 | 558 |
| Number of Single+First+Last Authored Papers | 179 | 179 |
| Total Cites to Single+First+Last Authored Papers | 3,635 | 4,564 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,940 | 3,257 |
| Ratio of Total Citations to Distinct Citing Papers | 1.61 | 1.89 |
| Self-Citation Percentage |
23.11%
|
|
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