Ishiyama, Tatsuo
Hokkaido University,
Japan
2025 Rank: 238,839
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 3,302 out of 179,164 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 238,839 | 278,011 |
| Total Cites | 319 | 322 |
| H-index | 8 | 8 |
| Hm-index | 4 | 4 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 197 | 197 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 199 | 199 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 216 | 219 |
| Ratio of Total Citations to Distinct Citing Papers | 1.48 | 1.47 |
| Self-Citation Percentage |
0.93%
|
|
Ishiyama, Tatsuo
Hokkaido University,
Japan
2024 Rank: 146,650
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 2,004 out of 170,049 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 146,650 | 160,978 |
| Total Cites | 351 | 368 |
| H-index | 10 | 11 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 241 | 244 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 244 | 247 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 239 | 247 |
| Ratio of Total Citations to Distinct Citing Papers | 1.47 | 1.49 |
| Self-Citation Percentage |
4.62%
|
|
Ishiyama, Tatsuo
Hokkaido University,
Japan
2023 Rank: 116,468
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 1,554 out of 161,671 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 116,468 | 135,580 |
| Total Cites | 420 | 429 |
| H-index | 10 | 10 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 1 | 1 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 267 | 271 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 273 | 277 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 274 | 278 |
| Ratio of Total Citations to Distinct Citing Papers | 1.53 | 1.54 |
| Self-Citation Percentage |
2.10%
|
|
Ishiyama, Tatsuo
Hokkaido University,
Japan
2022 Rank: 73,615
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 1,035 out of 154,108 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 73,615 | 87,301 |
| Total Cites | 561 | 568 |
| H-index | 13 | 13 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 377 | 377 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 396 | 396 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 335 | 340 |
| Ratio of Total Citations to Distinct Citing Papers | 1.67 | 1.67 |
| Self-Citation Percentage |
1.23%
|
|
Ishiyama, Tatsuo
Hokkaido University,
Japan
2021 Rank: 91,014
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 1,300 out of 144,918 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 91,014 | 103,208 |
| Total Cites | 760 | 777 |
| H-index | 14 | 15 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 540 | 545 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 556 | 561 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 479 | 488 |
| Ratio of Total Citations to Distinct Citing Papers | 1.59 | 1.59 |
| Self-Citation Percentage |
2.19%
|
|
Ishiyama, Tatsuo
Hokkaido University,
Japan
2020 Rank: 77,951
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 1,218 out of 111,388 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 77,951 | 87,710 |
| Total Cites | 537 | 548 |
| H-index | 11 | 12 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 1 | 1 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 395 | 402 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 415 | 422 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 354 | 356 |
| Ratio of Total Citations to Distinct Citing Papers | 1.52 | 1.54 |
| Self-Citation Percentage |
2.01%
|
|
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