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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2025 Rank: 63,297

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,162 out of 179,164 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score63,29771,591
Total Cites10,51311,300
H-index4445
Hm-index1717
Number of Single Authored Papers22
Total Cites to Single Authored Papers2929
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers7,8268,383
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers7,9218,483
Composite Score33
Number of Distinct Citing Papers5,9646,088
Ratio of Total Citations to Distinct Citing Papers 1.76 1.86
Self-Citation Percentage
6.96%
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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2024 Rank: 58,718

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,095 out of 170,049 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score58,71867,409
Total Cites10,11810,885
H-index4444
Hm-index1717
Number of Single Authored Papers22
Total Cites to Single Authored Papers2929
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers7,5748,118
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers7,6678,216
Composite Score33
Number of Distinct Citing Papers5,7095,829
Ratio of Total Citations to Distinct Citing Papers 1.77 1.87
Self-Citation Percentage
7.05%
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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2023 Rank: 55,321

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,059 out of 161,671 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score55,32162,944
Total Cites9,77010,514
H-index4344
Hm-index1717
Number of Single Authored Papers22
Total Cites to Single Authored Papers2929
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers7,3387,875
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers7,4277,969
Composite Score33
Number of Distinct Citing Papers5,4655,576
Ratio of Total Citations to Distinct Citing Papers 1.79 1.89
Self-Citation Percentage
7.08%
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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2022 Rank: 51,249

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,012 out of 154,108 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score51,24959,042
Total Cites9,33710,073
H-index4242
Hm-index1717
Number of Single Authored Papers22
Total Cites to Single Authored Papers2828
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers7,0647,599
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers7,1477,687
Composite Score33
Number of Distinct Citing Papers5,1845,290
Ratio of Total Citations to Distinct Citing Papers 1.80 1.90
Self-Citation Percentage
7.31%
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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2021 Rank: 49,105

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 947 out of 144,918 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score49,10556,030
Total Cites9,0329,764
H-index4242
Hm-index1717
Number of Single Authored Papers22
Total Cites to Single Authored Papers2828
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers6,8657,398
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers6,9397,477
Composite Score33
Number of Distinct Citing Papers5,0255,129
Ratio of Total Citations to Distinct Citing Papers 1.80 1.90
Self-Citation Percentage
7.50%
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Ishiyama, Tatsuo

Ishiyama, Tatsuo

Hokkaido University, Japan

2020 Rank: 45,650

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 888 out of 111,388 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score45,65052,409
Total Cites8,3859,095
H-index4242
Hm-index1616
Number of Single Authored Papers22
Total Cites to Single Authored Papers2828
Number of Single+First Authored Papers4444
Total Cites to Single+First Authored Papers6,4066,930
Number of Single+First+Last Authored Papers4949
Total Cites to Single+First+Last Authored Papers6,4676,996
Composite Score33
Number of Distinct Citing Papers4,6364,731
Ratio of Total Citations to Distinct Citing Papers 1.81 1.92
Self-Citation Percentage
7.81%
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