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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 84 15078 14193 464 438 1197 26314

Nagara Tamaki publications per year

The chart shows the history of publications by Nagara Tamaki between 1976 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nagara Tamaki published across 50 years, from 1976 to 2025, averaging 24.2 papers a year. Output peaked at 67 publications in 2016. 9 of the 1,211 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1976 to 2025. Vertical axis: number of publications, 0 to 67. Peak 67 publications in 2016. 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 3 publications 1981: 12 publications 1982: 19 publications 1983: 19 publications 1984: 29 publications 1985: 23 publications 1986: 9 publications 1987: 11 publications 1988: 19 publications 1989: 23 publications 1990: 25 publications 1991: 26 publications 1992: 15 publications 1993: 25 publications 1994: 25 publications 1995: 29 publications 1996: 27 publications 1997: 17 publications 1998: 14 publications 1999: 27 publications 2000: 21 publications 2001: 22 publications 2002: 36 publications 2003: 29 publications 2004: 42 publications 2005: 20 publications 2006: 22 publications 2007: 35 publications 2008: 24 publications 2009: 29 publications 2010: 45 publications 2011: 55 publications 2012: 55 publications 2013: 60 publications 2014: 50 publications 2015: 54 publications 2016: 67 publications 2017: 39 publications 2018: 19 publications 2019: 27 publications 2020: 20 publications 2021: 21 publications 2022: 6 publications 2023: 6 publications 2024: 4 publications 2025: 5 publications
1976 2025

1,211 publications in total across all disciplines

View publications per year as a table
Nagara Tamaki: publications per year, 1976 to 2025
Year Publications
1976 1
1977 0
1978 0
1979 0
1980 3
1981 12
1982 19
1983 19
1984 29
1985 23
1986 9
1987 11
1988 19
1989 23
1990 25
1991 26
1992 15
1993 25
1994 25
1995 29
1996 27
1997 17
1998 14
1999 27
2000 21
2001 22
2002 36
2003 29
2004 42
2005 20
2006 22
2007 35
2008 24
2009 29
2010 45
2011 55
2012 55
2013 60
2014 50
2015 54
2016 67
2017 39
2018 19
2019 27
2020 20
2021 21
2022 6
2023 6
2024 4
2025 5
Total 1,211
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Nagara Tamaki publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Nagara Tamaki sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 1,181–1,200 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,197 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39 1,197
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Nagara Tamaki D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Nagara Tamaki sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 84–85 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 84 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003 84
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Nagara Tamaki is a researcher affiliated with Kyoto Prefectural University of Medicine in Japan. Their academic work focuses primarily on the field of medicine, with a substantial emphasis on radiology, nuclear medicine, and imaging. Tamaki's contributions also extend to cardiology and cardiovascular medicine, as well as pulmonary and respiratory medicine, biomedical engineering, and physiology.

The scientist's research covers key topics related to cardiac imaging and diagnostics, medical imaging techniques and applications, radiomics and machine learning in medical imaging, cardiovascular function and risk factors, advanced X-ray and CT imaging, cardiac valve diseases and treatments, and advanced MRI techniques and applications.

Among the recent papers authored or co-authored by Nagara Tamaki are:

  • "JCS 2018 Guideline on Diagnosis of Chronic Coronary Heart Diseases," 2021, Circulation Journal
  • "Flurpiridaz F-18 PET Myocardial Perfusion Imaging in Patients With Suspected Coronary Artery Disease," 2023, Journal of the American College of Cardiology
  • "Quantitative FDG PET Assessment for Oncology Therapy," 2021, Cancers
  • "Clinical Perspectives of Theranostics," 2021, Molecules
  • "Dynamic whole-body 18F-FDG PET for differentiating abnormal lesions from physiological uptake," 2020, European Journal of Nuclear Medicine and Molecular Imaging

Tamaki frequently collaborates with several co-authors, including Osamu Manabe, Kei Yamada, Tohru Shiga, Tomoya Kotani, and Masanao Naya, indicating active engagement in collaborative research efforts.

The researcher has an established presence in multiple publication venues, with notable contributions to:

  • Annals of Nuclear Medicine
  • Journal of Nuclear Cardiology
  • Japanese Journal of Radiology
  • Preprints.org
  • European Heart Journal

Best Publications

  • Positron emission tomography using fluorine-18 deoxyglucose in evaluation of coronary artery bypass grafting

    Nagara Tamaki;Yoshiharu Yonekura;Keiji Yamashita;Hideo Saji

  • Focal uptake on 18F-fluoro-2-deoxyglucose positron emission tomography images indicates cardiac involvement of sarcoidosis

    Shinji Ishimaru;Ichizo Tsujino;Toshiki Takei;Eriko Tsukamoto

  • Comparison of bone scintigraphy and 68 Ga-PSMA PET for skeletal staging in prostate cancer

    Thomas Pyka;Shozo Okamoto;Shozo Okamoto;Marielena Dahlbender;Robert Tauber

  • In Vivo Assessment of Glucose Metabolism in Hepatocellular Carcinoma with FDG-PET

    Tatsuo Torizuka;Nagara Tamaki;Tetsuro Inokuma;Yasuhiro Magata

  • FDG Uptake and Glucose Transporter Subtype Expressions in Experimental Tumor and Inflammation Models

    Takafumi Mochizuki;Eriko Tsukamoto;Yuji Kuge;Kakuko Kanegae

  • Myocardial imaging with 18F-fluoro-2-deoxyglucose positron emission tomography and magnetic resonance imaging in sarcoidosis

    Hiroshi Ohira;Ichizo Tsujino;Shinji Ishimaru;Noriko Oyama

  • Cardiac Functional Analysis with Multi–Detector Row CT and Segmental Reconstruction Algorithm: Comparison with Echocardiography, SPECT, and MR Imaging

    Masaki Yamamuro;Eiji Tadamura;Shigeto Kubo;Hiroshi Toyoda

  • Quantitative cerebral blood flow measurement with dynamic perfusion CT using the vascular-pixel elimination method: comparison with H2(15)O positron emission tomography.

    Kohsuke Kudo;Satoshi Terae;Chietsugu Katoh;Masaki Oka

  • Regional metabolic abnormality in relation to perfusion and wall motion in patients with myocardial infarction: assessment with emission tomography using an iodinated branched fatty acid analog.

    N Tamaki;M Kawamoto;Y Yonekura;Y Fujibayashi

  • Metabolic activity in the areas of new fill-in after thallium-201 reinjection: comparison with positron emission tomography using fluorine-18-deoxyglucose.

    Nagara Tamaki;Hiroshi Ohtani;Keiji Yamashita;Yasuhiro Magata

  • Delayed (18)F-fluoro-2-deoxy-D-glucose positron emission tomography scan for differentiation between malignant and benign lesions in the pancreas.

    Yuji Nakamoto;Tatsuya Higashi;Harumi Sakahara;Nagara Tamaki

  • Value of thallium-201 reinjection after delayed SPECT imaging for predicting reversible ischemia after coronary artery bypass grafting

    Hiroshi Ohtani;Nagara Tamaki;Yoshiharu Yonekura;Ishtiaque H. Mohiuddin

  • Prediction of reversible ischemia after revascularization. Perfusion and metabolic studies with positron emission tomography.

    Nagara Tamaki;Masahide Kawamoto;Eiji Tadamura;Yasuhiro Magata

  • Ultra-high resolution SPECT system using four pinhole collimators for small animal studies.

    Koichi Ishizu;Takao Mukai;Yoshiharu Yonekura;Marco Pagani

  • Biologic correlates of intratumoral heterogeneity in 18F-FDG distribution with regional expression of glucose transporters and hexokinase-II in experimental tumor

    Songji Zhao;Yuji Kuge;Takafumi Mochizuki;Toshiyuki Takahashi

  • Human brain region response to distention or cold stimulation of the bladder: a positron emission tomography study.

    Shinobu Matsuura;Hidehiro Kakizaki;Takahiko Mitsui;Tohru Shiga

  • Evaluation of pancreatic tumors with positron emission tomography and F-18 fluorodeoxyglucose: comparison with CT and US.

    T Inokuma;N Tamaki;T Torizuka;Y Magata

  • Myocardial accumulation of iodinated beta-methyl-branched fatty acid analogue, iodine-125-15-(p-iodophenyl)-3-(R,S)methylpentadecanoic acid (BMIPP), in relation to ATP concentration.

    Yasuhisa Fujibayashi;Yoshiharu Yonekura;Yasutaka Takemura;Kouichi Wada

  • Predictors and Clinical Features of Postoperative Hyperperfusion after Surgical Revascularization for Moyamoya Disease A Serial Single Photon Emission CT/Positron Emission Tomography Study

    Haruto Uchino;Satoshi Kuroda;Kenji Hirata;Tohru Shiga

  • emission tomography images indicates cardiac involvement of sarcoidosis

    Shinji Ishimaru;Ichizo Tsujino;Toshiki Takei;Eriko Tsukamoto

Frequent Co-Authors

Yoshiharu Yonekura
Yoshiharu Yonekura Osaka University
Junji Konishi
Junji Konishi Kyoto University
Chuichi Kawai
Chuichi Kawai Kyoto University
Hiroyuki Tsutsui
Hiroyuki Tsutsui Kyushu University
Hideo Saji
Hideo Saji Kyoto University
Hiroki Shirato
Hiroki Shirato Hokkaido University
Satoshi Kuroda
Satoshi Kuroda University of Toyama
Masaharu Nishimura
Masaharu Nishimura Hokkaido University
Shigetake Sasayama
Shigetake Sasayama Kyoto University
Kiyohiro Houkin
Kiyohiro Houkin Hokkaido University

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