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Numata, Keiji

Numata, Keiji

RIKEN Center for Sustainable Resource Science, Japan

2025 Rank: 71,462

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Organic Chemistry

Rank in SubField 1: 642 out of 124,976 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score71,46251,413
Total Cites6,6378,849
H-index4251
Hm-index2226
Number of Single Authored Papers77
Total Cites to Single Authored Papers110165
Number of Single+First Authored Papers4646
Total Cites to Single+First Authored Papers1,8312,531
Number of Single+First+Last Authored Papers199199
Total Cites to Single+First+Last Authored Papers4,7696,541
Composite Score33
Number of Distinct Citing Papers5,1735,840
Ratio of Total Citations to Distinct Citing Papers 1.28 1.52
Self-Citation Percentage
25.00%
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Numata, Keiji

Numata, Keiji

Kyoto University, Japan

2024 Rank: 81,857

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Organic Chemistry

Rank in SubField 1: 733 out of 116,445 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score81,85760,037
Total Cites5,5757,625
H-index3846
Hm-index2023
Number of Single Authored Papers66
Total Cites to Single Authored Papers89138
Number of Single+First Authored Papers4545
Total Cites to Single+First Authored Papers1,6702,356
Number of Single+First+Last Authored Papers181181
Total Cites to Single+First+Last Authored Papers4,0665,710
Composite Score33
Number of Distinct Citing Papers4,3314,949
Ratio of Total Citations to Distinct Citing Papers 1.29 1.54
Self-Citation Percentage
26.89%
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Numata, Keiji

Numata, Keiji

RIKEN Center for Sustainable Resource Science, Japan

2023 Rank: 101,387

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Organic Chemistry

Rank in SubField 1: 922 out of 108,979 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score101,38769,723
Total Cites4,5096,349
H-index3442
Hm-index1822
Number of Single Authored Papers66
Total Cites to Single Authored Papers65109
Number of Single+First Authored Papers4545
Total Cites to Single+First Authored Papers1,4762,148
Number of Single+First+Last Authored Papers164164
Total Cites to Single+First+Last Authored Papers3,3354,829
Composite Score33
Number of Distinct Citing Papers3,5464,096
Ratio of Total Citations to Distinct Citing Papers 1.27 1.55
Self-Citation Percentage
28.98%
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Numata, Keiji

Numata, Keiji

Riken, Japan

2022 Rank: 133,268

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Biotechnology

Rank in SubField 1: 1,200 out of 103,159 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score133,26885,149
Total Cites3,4845,107
H-index3038
Hm-index1519
Number of Single Authored Papers66
Total Cites to Single Authored Papers3676
Number of Single+First Authored Papers4545
Total Cites to Single+First Authored Papers1,2671,915
Number of Single+First+Last Authored Papers148148
Total Cites to Single+First+Last Authored Papers2,6393,961
Composite Score33
Number of Distinct Citing Papers2,7623,251
Ratio of Total Citations to Distinct Citing Papers 1.26 1.57
Self-Citation Percentage
31.78%
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Numata, Keiji

Numata, Keiji

Riken, Japan

2021 Rank: 146,955

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Organic Chemistry

Rank in SubField 1: 1,339 out of 100,162 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score146,95594,047
Total Cites3,1094,561
H-index2836
Hm-index1418
Number of Single Authored Papers44
Total Cites to Single Authored Papers2965
Number of Single+First Authored Papers4343
Total Cites to Single+First Authored Papers1,1831,786
Number of Single+First+Last Authored Papers132132
Total Cites to Single+First+Last Authored Papers2,3653,557
Composite Score33
Number of Distinct Citing Papers2,5252,977
Ratio of Total Citations to Distinct Citing Papers 1.23 1.53
Self-Citation Percentage
31.84%
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Numata, Keiji

Numata, Keiji

Riken, Japan

2020 Rank: 196,406

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Polymers

SubField 2:

Organic Chemistry

Rank in SubField 1: 1,820 out of 80,670 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score196,406118,972
Total Cites2,2403,367
H-index2532
Hm-index1215
Number of Single Authored Papers33
Total Cites to Single Authored Papers1444
Number of Single+First Authored Papers4242
Total Cites to Single+First Authored Papers9731,514
Number of Single+First+Last Authored Papers113113
Total Cites to Single+First+Last Authored Papers1,7632,688
Composite Score33
Number of Distinct Citing Papers1,8322,214
Ratio of Total Citations to Distinct Citing Papers 1.22 1.52
Self-Citation Percentage
33.47%
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