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Nishikawa, Robert M.

Nishikawa, Robert M.

University of Pittsburgh School of Medicine, United States

2026 Rank: 87,408

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

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Optoelectronics & Photonics

Rank in SubField 1: 667 out of 129,561 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score87,40886,802
Total Cites6,3687,619
H-index4145
Hm-index2021
Number of Single Authored Papers1717
Total Cites to Single Authored Papers252268
Number of Single+First Authored Papers6262
Total Cites to Single+First Authored Papers1,0891,254
Number of Single+First+Last Authored Papers143143
Total Cites to Single+First+Last Authored Papers2,9723,474
Composite Score33
Number of Distinct Citing Papers4,7965,261
Ratio of Total Citations to Distinct Citing Papers 1.33 1.45
Self-Citation Percentage
16.42%
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Nishikawa, Robert M.

Nishikawa, Robert M.

University of Pittsburgh School of Medicine, United States

2025 Rank: 91,157

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

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Optoelectronics & Photonics

Rank in SubField 1: 731 out of 122,662 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score91,15789,506
Total Cites5,8046,923
H-index4043
Hm-index1719
Number of Single Authored Papers1414
Total Cites to Single Authored Papers246259
Number of Single+First Authored Papers5353
Total Cites to Single+First Authored Papers1,0371,187
Number of Single+First+Last Authored Papers111111
Total Cites to Single+First+Last Authored Papers2,6613,094
Composite Score33
Number of Distinct Citing Papers4,2984,701
Ratio of Total Citations to Distinct Citing Papers 1.35 1.47
Self-Citation Percentage
16.16%
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Nishikawa, Robert M.

Nishikawa, Robert M.

University of Pittsburgh School of Medicine, United States

2024 Rank: 82,401

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

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Optoelectronics & Photonics

Rank in SubField 1: 651 out of 116,246 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score82,40180,392
Total Cites5,8296,987
H-index4043
Hm-index1820
Number of Single Authored Papers1414
Total Cites to Single Authored Papers240254
Number of Single+First Authored Papers5454
Total Cites to Single+First Authored Papers1,0141,166
Number of Single+First+Last Authored Papers128128
Total Cites to Single+First+Last Authored Papers2,7373,199
Composite Score33
Number of Distinct Citing Papers4,3204,739
Ratio of Total Citations to Distinct Citing Papers 1.35 1.47
Self-Citation Percentage
16.57%
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Nishikawa, Robert M.

Nishikawa, Robert M.

Johns Hopkins Medicine, United States

2023 Rank: 77,278

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

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Optoelectronics & Photonics

Rank in SubField 1: 616 out of 109,758 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score77,27877,454
Total Cites5,6146,754
H-index4042
Hm-index1819
Number of Single Authored Papers1414
Total Cites to Single Authored Papers237251
Number of Single+First Authored Papers5353
Total Cites to Single+First Authored Papers9971,148
Number of Single+First+Last Authored Papers125125
Total Cites to Single+First+Last Authored Papers2,6413,091
Composite Score33
Number of Distinct Citing Papers4,1424,552
Ratio of Total Citations to Distinct Citing Papers 1.36 1.48
Self-Citation Percentage
16.88%
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Nishikawa, Robert M.

Nishikawa, Robert M.

University of Pittsburgh, United States

2020 Rank: 67,573

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

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Optoelectronics & Photonics

Rank in SubField 1: 558 out of 84,246 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score67,57367,537
Total Cites4,8805,908
H-index3739
Hm-index1618
Number of Single Authored Papers1414
Total Cites to Single Authored Papers217230
Number of Single+First Authored Papers5454
Total Cites to Single+First Authored Papers9161,062
Number of Single+First+Last Authored Papers111111
Total Cites to Single+First+Last Authored Papers2,2742,676
Composite Score33
Number of Distinct Citing Papers3,5563,925
Ratio of Total Citations to Distinct Citing Papers 1.37 1.51
Self-Citation Percentage
17.40%
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