JapanOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 2,510 out of 130,223 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 273,608 | 266,498 |
| Total Cites | 6,439 | 7,927 |
| H-index | 41 | 47 |
| Hm-index | 15 | 17 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,719 | 1,975 |
| Number of Single+First+Last Authored Papers | 71 | 71 |
| Total Cites to Single+First+Last Authored Papers | 2,311 | 2,764 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5,248 | 5,748 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.38 |
| Self-Citation Percentage |
18.77%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 2,211 out of 115,291 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 263,682 | 252,099 |
| Total Cites | 6,164 | 7,618 |
| H-index | 40 | 47 |
| Hm-index | 14 | 16 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,694 | 1,950 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 2,215 | 2,652 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5,012 | 5,498 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.39 |
| Self-Citation Percentage |
19.09%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 1,897 out of 99,567 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 251,206 | 242,188 |
| Total Cites | 5,860 | 7,296 |
| H-index | 39 | 45 |
| Hm-index | 14 | 16 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,659 | 1,913 |
| Number of Single+First+Last Authored Papers | 65 | 65 |
| Total Cites to Single+First+Last Authored Papers | 2,102 | 2,532 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,751 | 5,225 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.40 |
| Self-Citation Percentage |
19.68%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 1,611 out of 86,604 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 237,074 | 229,296 |
| Total Cites | 5,532 | 6,904 |
| H-index | 38 | 44 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,627 | 1,877 |
| Number of Single+First+Last Authored Papers | 62 | 62 |
| Total Cites to Single+First+Last Authored Papers | 2,006 | 2,411 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,467 | 4,920 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.40 |
| Self-Citation Percentage |
19.87%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 1,502 out of 77,304 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 224,071 | 216,955 |
| Total Cites | 5,434 | 6,785 |
| H-index | 38 | 44 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,612 | 1,862 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 1,970 | 2,374 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,375 | 4,821 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.41 |
| Self-Citation Percentage |
19.91%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Toxicology
Rank in SubField 1: 1,388 out of 66,925 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 213,226 | 204,216 |
| Total Cites | 5,096 | 6,384 |
| H-index | 36 | 42 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1,570 | 1,819 |
| Number of Single+First+Last Authored Papers | 56 | 56 |
| Total Cites to Single+First+Last Authored Papers | 1,853 | 2,231 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,078 | 4,496 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.42 |
| Self-Citation Percentage |
20.18%
|
|
Related Profiles
Top 2% Scientists by Country
236,132 scientists from 167 countries on the 2025 single-year list.
Japan5,713 scientists, 10th in the world
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.