Ohyama, Chikara
Hirosaki University,
Japan
2024 Rank: 218671
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Urology & Nephrology
SubField 2:
Oncology & Carcinogenesis
Rank in SubField 1: 1443 out of 87532 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 218671 | 229229 |
| Total Cites | 640 | 721 |
| H-index | 8 | 9 |
| Hm-index | 3 | 3 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 30 | 30 |
| Total Cites to Single+First Authored Papers | 19 | 19 |
| Number of Single+First+Last Authored Papers | 222 | 222 |
| Total Cites to Single+First+Last Authored Papers | 245 | 270 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 569 | 622 |
| Ratio of Total Citations to Distinct Citing Papers | 1.12 | 1.16 |
| Self-Citation Percentage |
11.23%
|
|
Ohyama, Chikara
Hirosaki University,
Japan
2023 Rank: 218537
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Urology & Nephrology
SubField 2:
Oncology & Carcinogenesis
Rank in SubField 1: 1561 out of 82885 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 218537 | 221361 |
| Total Cites | 818 | 993 |
| H-index | 9 | 9 |
| Hm-index | 3 | 4 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 1 | 1 |
| Number of Single+First Authored Papers | 30 | 30 |
| Total Cites to Single+First Authored Papers | 24 | 25 |
| Number of Single+First+Last Authored Papers | 280 | 280 |
| Total Cites to Single+First+Last Authored Papers | 335 | 404 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 717 | 808 |
| Ratio of Total Citations to Distinct Citing Papers | 1.14 | 1.23 |
| Self-Citation Percentage |
17.62%
|
|
Ohyama, Chikara
Hirosaki University,
Japan
2022 Rank: 189927
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Urology & Nephrology
SubField 2:
Oncology & Carcinogenesis
Rank in SubField 1: 1397 out of 79729 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 189927 | 152291 |
| Total Cites | 867 | 1118 |
| H-index | 9 | 10 |
| Hm-index | 3 | 4 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 1 | 1 |
| Number of Single+First Authored Papers | 30 | 30 |
| Total Cites to Single+First Authored Papers | 34 | 39 |
| Number of Single+First+Last Authored Papers | 254 | 254 |
| Total Cites to Single+First+Last Authored Papers | 297 | 439 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 731 | 820 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.36 |
| Self-Citation Percentage |
22.45%
|
|
Ohyama, Chikara
Hirosaki University,
Japan
2021 Rank: 160845
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Urology & Nephrology
SubField 2:
Oncology & Carcinogenesis
Rank in SubField 1: 1176 out of 76322 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 160845 | 128227 |
| Total Cites | 1163 | 1572 |
| H-index | 11 | 13 |
| Hm-index | 4 | 5 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 5 | 5 |
| Number of Single+First Authored Papers | 30 | 30 |
| Total Cites to Single+First Authored Papers | 37 | 42 |
| Number of Single+First+Last Authored Papers | 220 | 220 |
| Total Cites to Single+First+Last Authored Papers | 370 | 619 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1001 | 1144 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.37 |
| Self-Citation Percentage |
26.02%
|
|
Ohyama, Chikara
Hirosaki University,
Japan
2020 Rank: 222476
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Urology & Nephrology
SubField 2:
Oncology & Carcinogenesis
Rank in SubField 1: 1690 out of 64516 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 222476 | 167244 |
| Total Cites | 749 | 1012 |
| H-index | 8 | 10 |
| Hm-index | 3 | 4 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 30 | 30 |
| Total Cites to Single+First Authored Papers | 22 | 23 |
| Number of Single+First+Last Authored Papers | 197 | 197 |
| Total Cites to Single+First+Last Authored Papers | 216 | 371 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 662 | 752 |
| Ratio of Total Citations to Distinct Citing Papers | 1.13 | 1.35 |
| Self-Citation Percentage |
25.99%
|
|
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