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Ukai, Shigeharu

Ukai, Shigeharu

Hokkaido University, Japan

2026 Rank: 78,369

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Enabling & Strategic Technologies

SubField 1:

Energy

SubField 2:

Materials

Rank in SubField 1: 1,115 out of 371,959 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score78,36968,363
Total Cites8,12310,378
H-index4653
Hm-index2123
Number of Single Authored Papers22
Total Cites to Single Authored Papers7087
Number of Single+First Authored Papers5050
Total Cites to Single+First Authored Papers2,6873,282
Number of Single+First+Last Authored Papers124124
Total Cites to Single+First+Last Authored Papers3,8714,779
Composite Score33
Number of Distinct Citing Papers4,3244,747
Ratio of Total Citations to Distinct Citing Papers 1.88 2.19
Self-Citation Percentage
21.73%
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Ukai, Shigeharu

Ukai, Shigeharu

Hokkaido University, Japan

2025 Rank: 81,672

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Enabling & Strategic Technologies

SubField 1:

Energy

SubField 2:

Materials

Rank in SubField 1: 1,127 out of 343,394 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score81,67269,842
Total Cites7,3809,544
H-index4250
Hm-index2022
Number of Single Authored Papers22
Total Cites to Single Authored Papers6682
Number of Single+First Authored Papers5050
Total Cites to Single+First Authored Papers2,5153,101
Number of Single+First+Last Authored Papers122122
Total Cites to Single+First+Last Authored Papers3,5364,425
Composite Score33
Number of Distinct Citing Papers3,8744,282
Ratio of Total Citations to Distinct Citing Papers 1.91 2.23
Self-Citation Percentage
22.67%
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Ukai, Shigeharu

Ukai, Shigeharu

Hokkaido University, Japan

2022 Rank: 94,410

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Enabling & Strategic Technologies

SubField 1:

Energy

SubField 2:

Materials

Rank in SubField 1: 1,120 out of 265,592 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score94,41078,440
Total Cites5,2527,124
H-index3643
Hm-index1618
Number of Single Authored Papers22
Total Cites to Single Authored Papers4864
Number of Single+First Authored Papers4545
Total Cites to Single+First Authored Papers2,0062,546
Number of Single+First+Last Authored Papers111111
Total Cites to Single+First+Last Authored Papers2,6303,419
Composite Score33
Number of Distinct Citing Papers2,7223,085
Ratio of Total Citations to Distinct Citing Papers 1.93 2.31
Self-Citation Percentage
26.28%
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