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Hirayama, Takashi

Okayama University, Japan

2025 Rank: 183,246

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Plant Biology & Botany

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 2,716 out of 189,757 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score183,246175,554
Total Cites9,25910,110
H-index4245
Hm-index1112
Number of Single Authored Papers22
Total Cites to Single Authored Papers47
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers2,5372,645
Number of Single+First+Last Authored Papers4444
Total Cites to Single+First+Last Authored Papers3,6123,939
Composite Score33
Number of Distinct Citing Papers8,2108,750
Ratio of Total Citations to Distinct Citing Papers 1.13 1.16
Self-Citation Percentage
8.42%
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Hirayama, Takashi

Okayama University, Japan

2024 Rank: 181,292

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Plant Biology & Botany

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 2,646 out of 174,582 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score181,292179,266
Total Cites8,5229,333
H-index4143
Hm-index1011
Number of Single Authored Papers22
Total Cites to Single Authored Papers47
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers2,3932,500
Number of Single+First+Last Authored Papers4444
Total Cites to Single+First+Last Authored Papers3,3963,719
Composite Score33
Number of Distinct Citing Papers7,5388,045
Ratio of Total Citations to Distinct Citing Papers 1.13 1.16
Self-Citation Percentage
8.69%
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Hirayama, Takashi

Okayama University, Japan

2023 Rank: 197,412

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Plant Biology & Botany

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 2,858 out of 160,286 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score197,412184,135
Total Cites7,8838,664
H-index4042
Hm-index1011
Number of Single Authored Papers22
Total Cites to Single Authored Papers25
Number of Single+First Authored Papers1919
Total Cites to Single+First Authored Papers2,2652,368
Number of Single+First+Last Authored Papers4242
Total Cites to Single+First+Last Authored Papers3,1923,509
Composite Score33
Number of Distinct Citing Papers6,9407,422
Ratio of Total Citations to Distinct Citing Papers 1.14 1.17
Self-Citation Percentage
9.01%
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Hirayama, Takashi

Okayama University, Japan

2022 Rank: 209,941

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Plant Biology & Botany

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 3,042 out of 148,322 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score209,941183,956
Total Cites7,1197,835
H-index3841
Hm-index910
Number of Single Authored Papers22
Total Cites to Single Authored Papers14
Number of Single+First Authored Papers1919
Total Cites to Single+First Authored Papers2,0842,182
Number of Single+First+Last Authored Papers4141
Total Cites to Single+First+Last Authored Papers2,9283,229
Composite Score33
Number of Distinct Citing Papers6,2476,678
Ratio of Total Citations to Distinct Citing Papers 1.14 1.17
Self-Citation Percentage
9.14%
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