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Koyama, Fumio

Koyama, Fumio

Tokyo Institute of Technology, Japan

2024 Rank: 68,096

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Optoelectronics & Photonics

SubField 2:

Applied Physics

Rank in SubField 1: 163 out of 120,816 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score68,09649,370
Total Cites6,2959,248
H-index3647
Hm-index1923
Number of Single Authored Papers4444
Total Cites to Single Authored Papers443528
Number of Single+First Authored Papers105105
Total Cites to Single+First Authored Papers1,2361,459
Number of Single+First+Last Authored Papers626626
Total Cites to Single+First+Last Authored Papers2,6564,298
Composite Score33
Number of Distinct Citing Papers4,9645,842
Ratio of Total Citations to Distinct Citing Papers 1.27 1.58
Self-Citation Percentage
31.93%
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Koyama, Fumio

Koyama, Fumio

Tokyo Institute of Technology, Japan

2023 Rank: 65,969

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Optoelectronics & Photonics

SubField 2:

Applied Physics

Rank in SubField 1: 219 out of 123,678 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score65,96947,408
Total Cites6,0508,977
H-index3646
Hm-index1923
Number of Single Authored Papers4343
Total Cites to Single Authored Papers413495
Number of Single+First Authored Papers104104
Total Cites to Single+First Authored Papers1,1941,412
Number of Single+First+Last Authored Papers619619
Total Cites to Single+First+Last Authored Papers2,5204,135
Composite Score33
Number of Distinct Citing Papers4,7805,640
Ratio of Total Citations to Distinct Citing Papers 1.27 1.59
Self-Citation Percentage
32.61%
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Koyama, Fumio

Koyama, Fumio

Tokyo Institute of Technology, Japan

2022 Rank: 62,875

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Optoelectronics & Photonics

SubField 2:

Applied Physics

Rank in SubField 1: 183 out of 115,726 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score62,87545,339
Total Cites5,8128,562
H-index3545
Hm-index1822
Number of Single Authored Papers4040
Total Cites to Single Authored Papers386457
Number of Single+First Authored Papers100100
Total Cites to Single+First Authored Papers1,1351,335
Number of Single+First+Last Authored Papers591591
Total Cites to Single+First+Last Authored Papers2,4093,876
Composite Score33
Number of Distinct Citing Papers4,5945,409
Ratio of Total Citations to Distinct Citing Papers 1.27 1.58
Self-Citation Percentage
32.12%
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Koyama, Fumio

Koyama, Fumio

Tokyo Institute of Technology, Japan

2021 Rank: 63,113

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Optoelectronics & Photonics

SubField 2:

Applied Physics

Rank in SubField 1: 182 out of 108,280 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score63,11346,877
Total Cites5,5828,107
H-index3443
Hm-index1822
Number of Single Authored Papers3535
Total Cites to Single Authored Papers367419
Number of Single+First Authored Papers9494
Total Cites to Single+First Authored Papers1,0761,247
Number of Single+First+Last Authored Papers552552
Total Cites to Single+First+Last Authored Papers2,2853,581
Composite Score33
Number of Distinct Citing Papers4,4275,195
Ratio of Total Citations to Distinct Citing Papers 1.26 1.56
Self-Citation Percentage
31.15%
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Koyama, Fumio

Koyama, Fumio

Tokyo Institute of Technology, Japan

2020 Rank: 60,353

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Optoelectronics & Photonics

SubField 2:

Applied Physics

Rank in SubField 1: 191 out of 99,488 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score60,35343,872
Total Cites5,3397,788
H-index3443
Hm-index1722
Number of Single Authored Papers3333
Total Cites to Single Authored Papers330375
Number of Single+First Authored Papers9292
Total Cites to Single+First Authored Papers1,0111,174
Number of Single+First+Last Authored Papers538538
Total Cites to Single+First+Last Authored Papers2,1373,355
Composite Score33
Number of Distinct Citing Papers4,2344,978
Ratio of Total Citations to Distinct Citing Papers 1.26 1.56
Self-Citation Percentage
31.45%
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