JapanOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Astronomy & Astrophysics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 646 out of 55,063 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 51,735 | 49,878 |
| Total Cites | 1,234 | 1,541 |
| H-index | 12 | 13 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 3 | 3 |
| Number of Single+First Authored Papers | 35 | 35 |
| Total Cites to Single+First Authored Papers | 175 | 198 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 479 | 544 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 954 | 1,151 |
| Ratio of Total Citations to Distinct Citing Papers | 1.29 | 1.34 |
| Self-Citation Percentage |
19.92%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Astronomy & Astrophysics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 441 out of 49,433 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 44,752 | 39,882 |
| Total Cites | 1,171 | 1,488 |
| H-index | 12 | 14 |
| Hm-index | 8 | 8 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 35 | 35 |
| Total Cites to Single+First Authored Papers | 155 | 183 |
| Number of Single+First+Last Authored Papers | 142 | 142 |
| Total Cites to Single+First+Last Authored Papers | 477 | 552 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 884 | 1,068 |
| Ratio of Total Citations to Distinct Citing Papers | 1.32 | 1.39 |
| Self-Citation Percentage |
21.30%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Astronomy & Astrophysics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 247 out of 47,944 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 27,410 | 25,052 |
| Total Cites | 1,124 | 1,458 |
| H-index | 15 | 16 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 6 | 6 |
| Number of Single+First Authored Papers | 34 | 34 |
| Total Cites to Single+First Authored Papers | 204 | 231 |
| Number of Single+First+Last Authored Papers | 136 | 136 |
| Total Cites to Single+First+Last Authored Papers | 567 | 654 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 755 | 924 |
| Ratio of Total Citations to Distinct Citing Papers | 1.49 | 1.58 |
| Self-Citation Percentage |
22.91%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Astronomy & Astrophysics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 303 out of 45,688 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 34,373 | 29,509 |
| Total Cites | 1,565 | 2,097 |
| H-index | 17 | 19 |
| Hm-index | 11 | 11 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 6 | 7 |
| Number of Single+First Authored Papers | 33 | 33 |
| Total Cites to Single+First Authored Papers | 245 | 284 |
| Number of Single+First+Last Authored Papers | 134 | 134 |
| Total Cites to Single+First+Last Authored Papers | 778 | 921 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,052 | 1,331 |
| Ratio of Total Citations to Distinct Citing Papers | 1.49 | 1.58 |
| Self-Citation Percentage |
25.37%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Astronomy & Astrophysics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 491 out of 42,624 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55,833 | 43,874 |
| Total Cites | 914 | 1,204 |
| H-index | 13 | 15 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 3 | 4 |
| Number of Single+First Authored Papers | 31 | 31 |
| Total Cites to Single+First Authored Papers | 152 | 178 |
| Number of Single+First+Last Authored Papers | 130 | 130 |
| Total Cites to Single+First+Last Authored Papers | 495 | 601 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 639 | 787 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.53 |
| Self-Citation Percentage |
24.09%
|
|
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