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Tsutomu Imaizumi

Tsutomu Imaizumi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 104 7005 6591 168 160 744 43911

Tsutomu Imaizumi publications per year

The chart shows the history of publications by Tsutomu Imaizumi between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tsutomu Imaizumi published across 48 years, from 1978 to 2025, averaging 15.6 papers a year. Output peaked at 72 publications in 2007. 1 of the 750 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 72. Peak 72 publications in 2007. 1978: 2 publications 1979: 1 publication 1980: 2 publications 1981: 3 publications 1982: 11 publications 1983: 2 publications 1984: 6 publications 1985: 5 publications 1986: 6 publications 1987: 8 publications 1988: 6 publications 1989: 7 publications 1990: 9 publications 1991: 4 publications 1992: 6 publications 1993: 10 publications 1994: 11 publications 1995: 12 publications 1996: 24 publications 1997: 27 publications 1998: 25 publications 1999: 18 publications 2000: 23 publications 2001: 11 publications 2002: 38 publications 2003: 36 publications 2004: 36 publications 2005: 48 publications 2006: 42 publications 2007: 72 publications 2008: 36 publications 2009: 42 publications 2010: 16 publications 2011: 39 publications 2012: 39 publications 2013: 24 publications 2014: 14 publications 2015: 9 publications 2016: 3 publications 2017: 5 publications 2018: 3 publications 2019: 2 publications 2020: 1 publication 2021: 1 publication 2022: 1 publication 2023: 3 publications 2024: 0 publications 2025: 1 publication
1978 2025

750 publications in total across all disciplines

View publications per year as a table
Tsutomu Imaizumi: publications per year, 1978 to 2025
Year Publications
1978 2
1979 1
1980 2
1981 3
1982 11
1983 2
1984 6
1985 5
1986 6
1987 8
1988 6
1989 7
1990 9
1991 4
1992 6
1993 10
1994 11
1995 12
1996 24
1997 27
1998 25
1999 18
2000 23
2001 11
2002 38
2003 36
2004 36
2005 48
2006 42
2007 72
2008 36
2009 42
2010 16
2011 39
2012 39
2013 24
2014 14
2015 9
2016 3
2017 5
2018 3
2019 2
2020 1
2021 1
2022 1
2023 3
2024 0
2025 1
Total 750
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Tsutomu Imaizumi 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 Tsutomu Imaizumi 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, 741–760 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: 744 publications — 84th percentile

84% 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
741–760 230 744
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
1,201–1,220 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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Tsutomu Imaizumi 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 Tsutomu Imaizumi 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, 104–105 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: 104 D-Index — 66th percentile

66% 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
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
104–105 513 104
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

Tsutomu Imaizumi is affiliated with Kurume University in Japan and has a significant body of research in the field of Medicine, with a focus on nephrology and related subfields. Their scholarly output includes 296 publications primarily categorized under Medicine, with detailed emphasis on the following subfields:

  • Nephrology
  • Surgery
  • Cardiology and Cardiovascular Medicine
  • Hematology
  • Pulmonary and Respiratory Medicine

Their main research topics include complex and interrelated aspects of kidney function and disease management, as well as cardiovascular and hematologic concerns. Key topics covered in their work are:

  • Dialysis and Renal Disease Management
  • Chronic Kidney Disease and Diabetes
  • Erythropoietin and Anemia Treatment
  • Iron Metabolism and Disorders
  • Renal Diseases and Glomerulopathies
  • Cardiac Structural Anomalies and Repair
  • Mechanical Circulatory Support Devices

Tsutomu Imaizumi has contributed to a variety of academic venues, being published most frequently in:

  • Journal of the American Society of Nephrology
  • Scientific Reports
  • Clinical and Experimental Nephrology
  • Nephrology Dialysis Transplantation
  • Research Square (Research Square)

Recent papers authored or co-authored by Imaizumi include the following:

  • "Estimated Glomerular Filtration Rate, Albuminuria, and Adverse Outcomes," 2023, JAMA
  • "Prognosis in Patients With Cardiogenic Shock Who Received Temporary Mechanical Circulatory Support," 2022, JACC Asia
  • "Caregiver Burdens, Health Risks, Coping and Interventions among Caregivers of Dementia Patients: A Review of the Literature," 2023, Internal Medicine
  • "Excess risk of cardiovascular events in patients in the United States vs. Japan with chronic kidney disease is mediated mainly by left ventricular structure and function," 2023, Kidney International
  • "The ISN/RPS 2016 classification predicts renal prognosis in patients with first-onset class III/IV lupus nephritis," 2021, Scientific Reports

The scientist frequently collaborates with several co-authors who have contributed extensively alongside them. Notable frequent co-authors include:

  • Shoichi Maruyama
  • Masaki Okazaki
  • Takayuki Hamano
  • Masafumi Fukagawa
  • Takeshi Hasegawa

This profile reflects an ongoing engagement with critical issues in nephrology and related fields, as shown through the breadth of topics, venues, and collaborations over recent years in their academic career.

Best Publications

  • Therapeutic angiogenesis for patients with limb ischaemia by autologous transplantation of bone-marrow cells: a pilot study and a randomised controlled trial.

    Eriko Tateishi-Yuyama;Hiroaki Matsubara;Toyoaki Murohara;Uichi Ikeda

  • Mobilization of Endothelial Progenitor Cells in Patients With Acute Myocardial Infarction

    Satoshi Shintani;Toyoaki Murohara;Hisao Ikeda;Takafumi Ueno

  • Implantation of Bone Marrow Mononuclear Cells Into Ischemic Myocardium Enhances Collateral Perfusion and Regional Function via Side Supply of Angioblasts, Angiogenic Ligands, and Cytokines

    Hiroshi Kamihata;Hiroaki Matsubara;Takashi Nishiue;Soichiro Fujiyama

  • The Japanese Society of Hypertension Guidelines for the Management of Hypertension (JSH 2009)

    Toshio Ogihara;Kenjiro Kikuchi;Hiroaki Matsuoka;Toshiro Fujita

  • The Japanese Society of Hypertension guidelines for the management of hypertension (JSH 2014)

    Kazuaki Shimamoto;Katsuyuki Ando;Toshiro Fujita;Naoyuki Hasebe

  • The JAK‐binding protein JAB inhibits Janus tyrosine kinase activity through binding in the activation loop

    Hideo Yasukawa;Hiroyuki Misawa;Hiroshi Sakamoto;Masaaki Masuhara

  • Peripheral blood levels of matrix metalloproteases-2 and -9 are elevated in patients with acute coronary syndromes

    Hisashi Kai;Hisao Ikeda;Hideo Yasukawa;Mamiko Kai

  • Transforming Growth Factor-β Function Blocking Prevents Myocardial Fibrosis and Diastolic Dysfunction in Pressure-Overloaded Rats

    Fumitaka Kuwahara;Hisashi Kai;Keisuke Tokuda;Mamiko Kai

  • Single LDL Apheresis Improves Endothelium-Dependent Vasodilatation in Hypercholesterolemic Humans

    Osamu Tamai;Hidehiro Matsuoka;Hiroyuki Itabe;Yoshifumi Wada

  • Mutations in the cardiac troponin I gene associated with hypertrophic cardiomyopathy

    Akinori Kimura;Haruhito Harada;Jeong-Euy Park;Hirofumi Nishi

  • Augmentation of Postnatal Neovascularization With Autologous Bone Marrow Transplantation

    Satoshi Shintani;Toyoaki Murohara;Hisao Ikeda;Takafumi Ueno

  • Erratum: The Japanese Society of hypertension guidelines for the management of hypertension (Hypertension Research (2009) 32 (11-23) DOI: 10.1038/hr.2008.2)

    Toshio Ogihara;Kenjiro Kikuchi;Hiroaki Matsuoka;Toshiro Fujita

  • Diabetic Vascular Complications: Pathophysiology, Biochemical Basis and Potential Therapeutic Strategy

    Sho-ichi Yamagishi;Tsutomu Imaizumi

  • Target Blood Pressure for Treatment of Isolated Systolic Hypertension in the Elderly: Valsartan in Elderly Isolated Systolic Hypertension Study

    Toshio Ogihara;Takao Saruta;Hiromi Rakugi;Hiroaki Matsuoka

  • Role of host angiotensin II type 1 receptor in tumor angiogenesis and growth.

    Kimiyasu Egami;Toyoaki Murohara;Toyoaki Murohara;Toshifumi Shimada;Ken Ichiro Sasaki

  • Long-term clinical outcome after intramuscular implantation of bone marrow mononuclear cells (Therapeutic Angiogenesis by Cell Transplantation [TACT] trial) in patients with chronic limb ischemia

    Satoaki Matoba;Tetsuya Tatsumi;Toyoaki Murohara;Tsutomu Imaizumi

  • Hypertensive Myocardial Fibrosis and Diastolic Dysfunction: Another Model of Inflammation?

    Fumitaka Kuwahara;Hisashi Kai;Keisuke Tokuda;Motohiro Takeya

  • Nifedipine controlled-release 40 mg b.i.d. in Japanese patients with essential hypertension who responded insufficiently to nifedipine controlled-release 40 mg q.d.: a phase III, randomized, double-blind and parallel-group study

    Kazuaki Shimamoto;Naoyuki Hasebe;Sadayoshi Ito;Kazuomi Kario

  • Increased endogenous nitric oxide synthase inhibitor in patients with congestive heart failure.

    Michiaki Usui;Hidehiro Matsuoka;Hiroshi Miyazaki;Seiji Ueda

  • Asymmetrical Dimethylarginine, an Endogenous Nitric Oxide Synthase Inhibitor, in Experimental Hypertension

    Hidehiro Matsuoka;Shingo Itoh;Masumi Kimoto;Keisuke Kohno

Frequent Co-Authors

Sho-ichi Yamagishi
Sho-ichi Yamagishi Kurume University
Toyoaki Murohara
Toyoaki Murohara Nagoya University
Akira Takeshita
Akira Takeshita Kyushu University
Masayoshi Takeuchi
Masayoshi Takeuchi Kanazawa Medical University
Michio Sata
Michio Sata Kurume University
Sadayoshi Ito
Sadayoshi Ito Tohoku University
Masunori Matsuzaki
Masunori Matsuzaki Yamaguchi University
Hiromi Rakugi
Hiromi Rakugi Osaka University
Takafumi Ueno
Takafumi Ueno Tokyo Institute of Technology
Akihiko Yoshimura
Akihiko Yoshimura Keio University

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