Hirooka, Toshihiko
Tohoku University,
Japan
2025 Rank: 505,173
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Optoelectronics & Photonics
SubField 2:
Optics
Rank in SubField 1: 2,251 out of 131,858 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 505,173 | 487,142 |
| Total Cites | 2,464 | 3,354 |
| H-index | 27 | 29 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 64 | 64 |
| Total Cites to Single+First Authored Papers | 770 | 866 |
| Number of Single+First+Last Authored Papers | 111 | 111 |
| Total Cites to Single+First+Last Authored Papers | 1,195 | 1,465 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,926 | 2,237 |
| Ratio of Total Citations to Distinct Citing Papers | 1.28 | 1.50 |
| Self-Citation Percentage |
26.54%
|
|
Hirooka, Toshihiko
Tohoku University,
Japan
2024 Rank: 492,333
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Optoelectronics & Photonics
SubField 2:
Optics
Rank in SubField 1: 2,168 out of 120,816 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 492,333 | 468,071 |
| Total Cites | 2,343 | 3,200 |
| H-index | 25 | 28 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 64 | 64 |
| Total Cites to Single+First Authored Papers | 749 | 842 |
| Number of Single+First+Last Authored Papers | 108 | 108 |
| Total Cites to Single+First+Last Authored Papers | 1,152 | 1,412 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,832 | 2,137 |
| Ratio of Total Citations to Distinct Citing Papers | 1.28 | 1.50 |
| Self-Citation Percentage |
26.78%
|
|
Hirooka, Toshihiko
Tohoku University,
Japan
2022 Rank: 449,311
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Optoelectronics & Photonics
SubField 2:
Optics
Rank in SubField 1: 2,229 out of 115,726 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 449,311 | 440,640 |
| Total Cites | 2,023 | 2,753 |
| H-index | 23 | 25 |
| Hm-index | 12 | 14 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 62 | 62 |
| Total Cites to Single+First Authored Papers | 690 | 776 |
| Number of Single+First+Last Authored Papers | 96 | 96 |
| Total Cites to Single+First+Last Authored Papers | 1,037 | 1,239 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,590 | 1,864 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.48 |
| Self-Citation Percentage |
26.52%
|
|
Hirooka, Toshihiko
Tohoku University,
Japan
2021 Rank: 433,519
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Optoelectronics & Photonics
SubField 2:
Optics
Rank in SubField 1: 2,074 out of 108,280 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 433,519 | 429,778 |
| Total Cites | 1,934 | 2,609 |
| H-index | 23 | 25 |
| Hm-index | 12 | 14 |
| Number of Single Authored Papers | 0 | 0 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 59 | 59 |
| Total Cites to Single+First Authored Papers | 663 | 747 |
| Number of Single+First+Last Authored Papers | 89 | 89 |
| Total Cites to Single+First+Last Authored Papers | 994 | 1,181 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,524 | 1,783 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.46 |
| Self-Citation Percentage |
25.87%
|
|
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