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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 82 16197 15238 506 478 885 23111

Kosei Hirakawa publications per year

The chart shows the history of publications by Kosei Hirakawa between 1994 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kosei Hirakawa published across 31 years, from 1994 to 2024, averaging 28.9 papers a year. Output peaked at 76 publications in 2014. 13 of the 897 publications appeared in the last two years.

No. of publications
25 50 75
Bar chart. Horizontal axis: year, 1994 to 2024. Vertical axis: number of publications, 0 to 76. Peak 76 publications in 2014. 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 4 publications 1999: 5 publications 2000: 18 publications 2001: 15 publications 2002: 19 publications 2003: 16 publications 2004: 39 publications 2005: 26 publications 2006: 29 publications 2007: 20 publications 2008: 21 publications 2009: 28 publications 2010: 50 publications 2011: 48 publications 2012: 60 publications 2013: 63 publications 2014: 76 publications 2015: 73 publications 2016: 53 publications 2017: 61 publications 2018: 61 publications 2019: 34 publications 2020: 27 publications 2021: 32 publications 2022: 5 publications 2023: 12 publications 2024: 1 publication
1994 2024

897 publications in total across all disciplines

View publications per year as a table
Kosei Hirakawa: publications per year, 1994 to 2024
Year Publications
1994 1
1995 0
1996 0
1997 0
1998 4
1999 5
2000 18
2001 15
2002 19
2003 16
2004 39
2005 26
2006 29
2007 20
2008 21
2009 28
2010 50
2011 48
2012 60
2013 63
2014 76
2015 73
2016 53
2017 61
2018 61
2019 34
2020 27
2021 32
2022 5
2023 12
2024 1
Total 897
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Kosei Hirakawa 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 Kosei Hirakawa 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, 881–900 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: 885 publications — 91st percentile

91% 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
881–900 139 885
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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Kosei Hirakawa 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 Kosei Hirakawa 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, 82–83 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: 82 D-Index — 21st percentile

21% 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 82
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
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

Kosei Hirakawa is affiliated with Osaka Metropolitan University in Japan and has a research focus primarily within the field of Medicine, particularly oncology-related studies. Their work spans several subfields, including Oncology, Cancer Research, Pulmonary and Respiratory Medicine, Surgery, and Immunology.

The scientist has a notable publication record in several academic journals. Frequent publication venues include:

  • Anticancer Research
  • Research Square (Research Square)
  • BMC Cancer
  • Molecular and Clinical Oncology
  • PLoS ONE

Research topics covered by Kosei Hirakawa concentrate on cancer and immunology. The main topics of their work are:

  • Cancer Immunotherapy and Biomarkers
  • Inflammatory Biomarkers in Disease Prognosis
  • Cancer Cells and Metastasis
  • Cancer Treatment and Pharmacology
  • Breast Cancer Treatment Studies
  • Cancer, Hypoxia, and Metabolism
  • Cancer Risks and Factors

Collaborations with other researchers have frequently included the following coauthors:

  • Masaichi Ohira
  • Shinichiro Kashiwagi
  • Masatsune Shibutani
  • Yuka Asano
  • Wataru Goto

A selection of recent papers authored or coauthored by Kosei Hirakawa illustrates their interests and expertise. These include:

  • Immunological potential of tertiary lymphoid structures surrounding the primary tumor in gastric cancer (2020, International Journal of Oncology)
  • Prediction of lymph node metastasis by tumor-infiltrating lymphocytes in T1 breast cancer (2020, BMC Cancer)
  • Cancer cells with high-metastatic potential promote a glycolytic shift in activated fibroblasts (2020, PLoS ONE)
  • Abundant intratumoral fibrosis prevents lymphocyte infiltration into peritoneal metastases of colorectal cancer (2021, PLoS ONE)
  • Validation of Systemic and Local Tumour Immune Response to Eribulin Chemotherapy in the Treatment of Breast Cancer (2020, Anticancer Research)

Best Publications

  • Multipeptide immune response to cancer vaccine IMA901 after single-dose cyclophosphamide associates with longer patient survival

    Steffen Walter;Toni Weinschenk;Arnulf Stenzl;Romuald Zdrojowy

  • Improvement of cancer-targeting therapy, using nanocarriers for intractable solid tumors by inhibition of TGF-β signaling

    Mitsunobu R. Kano;Younsoo Bae;Caname Iwata;Yasuyuki Morishita

  • Differential gene expression profiles of scirrhous gastric cancer cells with high metastatic potential to peritoneum or lymph nodes.

    Yoshitaka Hippo;Masakazu Yashiro;Masami Ishii;Hirokazu Taniguchi

  • A Meta-analysis of the Short- and Long-Term Results of Randomized Controlled Trials That Compared Laparoscopy-Assisted and Conventional Open Surgery for Rectal Cancer

    Hiroshi Ohtani;Yutaka Tamamori;Takashi Azuma;Yoshihiro Mori

  • The pretreatment Controlling Nutritional Status (CONUT) score is an independent prognostic factor in patients with resectable thoracic esophageal squamous cell carcinoma: results from a retrospective study

    Takahiro Toyokawa;Naoshi Kubo;Tatsuro Tamura;Katsunobu Sakurai

  • Impact of the Preoperative Controlling Nutritional Status (CONUT) Score on the Survival after Curative Surgery for Colorectal Cancer

    Yasuhito Iseki;Masatsune Shibutani;Kiyoshi Maeda;Hisashi Nagahara

  • Activation of Transforming Growth Factor Beta 1 Signaling in Gastric Cancer-associated Fibroblasts Increases Their Motility, via Expression of Rhomboid 5 Homolog 2, and Ability to Induce Invasiveness of Gastric Cancer Cells

    Takatsugu Ishimoto;Takatsugu Ishimoto;Keisuke Miyake;Tannistha Nandi;Masakazu Yashiro

  • Exosomal miRNAs from Peritoneum Lavage Fluid as Potential Prognostic Biomarkers of Peritoneal Metastasis in Gastric Cancer.

    Motohiko Tokuhisa;Yasushi Ichikawa;Nobuyoshi Kosaka;Takahiro Ochiya

  • A Meta-Analysis of Randomized Controlled Trials That Compared Laparoscopy-Assisted and Open Distal Gastrectomy for Early Gastric Cancer

    Hiroshi Ohtani;Yutaka Tamamori;Kozo Noguchi;Takashi Azuma

  • A Meta-Analysis of the Short- And Long-Term Results of Randomized Controlled Trials That Compared Laparoscopy-Assisted and Open Colectomy for Colon Cancer

    Hiroshi Ohtani;Yutaka Tamamori;Yuichi Arimoto;Yukio Nishiguchi

  • Role of the Stemness Factors Sox2, Oct3/4, and Nanog in Gastric Carcinoma

    Junko Matsuoka;Masakazu Yashiro;Katsunobu Sakurai;Naoshi Kubo

  • Somatic mutations of epidermal growth factor receptor in colorectal carcinoma

    Hisashi Nagahara;Koshi Mimori;Mitsuhiko Ohta;Tohru Utsunomiya

  • Prognostic Value of Microsatellite Instability in Resectable Pancreatic Cancer

    Bunzo Nakata;Yan Qing Wang;Masakazu Yashiro;Nobuaki Nishioka

  • Phase II study of oral S‐1 for treatment of metastatic colorectal carcinoma

    Kuniaki Shirao M.D.;Atsushi Ohtsu M.D.;Hideho Takada M.D.;Yasushi Mitachi M.D.

  • Inhibition of Cyclooxygenase-2 Suppresses Lymph Node Metastasis via Reduction of Lymphangiogenesis

    Caname Iwata;Mitsunobu R. Kano;Akiyoshi Komuro;Masako Oka

  • Foretinib (GSK1363089), a multi-kinase inhibitor of MET and VEGFRs, inhibits growth of gastric cancer cell lines by blocking inter-receptor tyrosine kinase networks.

    Yu Kataoka;Toru Mukohara;Hideo Tomioka;Yohei Funakoshi

  • HER2 overexpression correlates with survival after curative resection of pancreatic cancer

    Masahiro Komoto;Bunzo Nakata;Ryosuke Amano;Nobuya Yamada

  • Predictive Potential of Preoperative Nutritional Status in Long-Term Outcome Projections for Patients with Gastric Cancer

    Katsunobu Sakurai;Masaichi Ohira;Tatsuro Tamura;Takahiro Toyokawa

  • Meta-analysis of the results of randomized controlled trials that compared laparoscopic and open surgery for acute appendicitis.

    Hiroshi Ohtani;Yutaka Tamamori;Yuichi Arimoto;Yukio Nishiguchi

  • Usefulness of non-magnifying narrow-band imaging in screening of early esophageal squamous cell carcinoma: a prospective comparative study using propensity score matching.

    Yasuaki Nagami;Kazunari Tominaga;Hirohisa Machida;Masami Nakatani

Frequent Co-Authors

Masakazu Yashiro
Masakazu Yashiro Osaka Metropolitan University
Kohei Miyazono
Kohei Miyazono University of Tokyo
Masaaki Inaba
Masaaki Inaba Osaka Metropolitan University
Koshi Mimori
Koshi Mimori Kyushu University
Masaki Mori
Masaki Mori Kyushu University
Wataru Yasui
Wataru Yasui Hiroshima University
Norifumi Kawada
Norifumi Kawada Osaka Metropolitan University
Yasuyuki Morishita
Yasuyuki Morishita University of Tokyo
Shoji Natsugoe
Shoji Natsugoe Kagoshima University
Yusuke Nakamura
Yusuke Nakamura National Institutes of Biomedical Innovation, Health and Nutrition

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