World's Best Scientists 2026 revealed!
Akinobu Taketomi

Akinobu Taketomi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 79 17619 16561 561 529 949 21576

Akinobu Taketomi publications per year

The chart shows the history of publications by Akinobu Taketomi between 1985 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akinobu Taketomi published across 41 years, from 1985 to 2025, averaging 24.7 papers a year. Output peaked at 102 publications in 2023. 93 of the 1,012 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1985 to 2025. Vertical axis: number of publications, 0 to 102. Peak 102 publications in 2023. 1985: 1 publication 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 10 publications 1995: 11 publications 1996: 8 publications 1997: 4 publications 1998: 14 publications 1999: 3 publications 2000: 1 publication 2001: 1 publication 2002: 1 publication 2003: 0 publications 2004: 8 publications 2005: 12 publications 2006: 19 publications 2007: 32 publications 2008: 47 publications 2009: 39 publications 2010: 55 publications 2011: 58 publications 2012: 54 publications 2013: 28 publications 2014: 30 publications 2015: 38 publications 2016: 49 publications 2017: 54 publications 2018: 52 publications 2019: 43 publications 2020: 48 publications 2021: 53 publications 2022: 43 publications 2023: 102 publications 2024: 52 publications 2025: 41 publications
1985 2025

1,012 publications in total across all disciplines

View publications per year as a table
Akinobu Taketomi: publications per year, 1985 to 2025
Year Publications
1985 1
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 1
1994 10
1995 11
1996 8
1997 4
1998 14
1999 3
2000 1
2001 1
2002 1
2003 0
2004 8
2005 12
2006 19
2007 32
2008 47
2009 39
2010 55
2011 58
2012 54
2013 28
2014 30
2015 38
2016 49
2017 54
2018 52
2019 43
2020 48
2021 53
2022 43
2023 102
2024 52
2025 41
Total 1,012
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Akinobu Taketomi 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 Akinobu Taketomi 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, 941–960 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: 949 publications — 93rd percentile

93% 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
941–960 133 949
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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Akinobu Taketomi 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 Akinobu Taketomi 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, 78–79 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: 79 D-Index — 14th percentile

14% 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 79
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
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

Akinobu Taketomi is affiliated with Hokkaido University in Japan and has contributed extensively to medical research, particularly in the fields of surgery and oncology. Their work spans a variety of subfields including hepatology, epidemiology, and molecular biology, reflecting a broad yet focused engagement with clinical and biomedical sciences.

Their research interests primarily cluster around key topics such as colorectal cancer surgical treatments, liver disease diagnosis and treatment, hepatocellular carcinoma treatment and prognosis, cholangiocarcinoma and gallbladder cancer studies, COVID-19 and healthcare impacts, organ transplantation techniques and outcomes, and liver disease and transplantation.

Frequent publication venues for their work include:

  • Annals of Gastroenterological Surgery
  • Surgical Case Reports
  • Annals of Surgical Oncology
  • Surgery Today
  • Gastroenterology

The scientist's collaboration network includes coauthors with whom they have published most frequently, such as Toshiya Kamiyama, Tatsuya Orimo, Shigenori Homma, Nobuki Ichikawa, and Tatsuhiko Kakisaka. These partnerships suggest ongoing integrated research efforts within their specialized domains.

Significant recent papers authored or coauthored by the scientist include:

  • Randomized phase III study of gemcitabine, cisplatin plus S-1 versus gemcitabine, cisplatin for advanced biliary tract cancer (KHBO1401- MITSUBA), 2022, Journal of Hepato-Biliary-Pancreatic Sciences
  • Diagnostic efficacy of circular RNAs as noninvasive, liquid biopsy biomarkers for early detection of gastric cancer, 2022, Molecular Cancer
  • The impact of COVID-19 on surgical procedures in Japan: analysis of data from the National Clinical Database, 2021, Surgery Today
  • A Circulating Panel of circRNA Biomarkers for the Noninvasive and Early Detection of Pancreatic Ductal Adenocarcinoma, 2023, Gastroenterology
  • 2023 National Clinical Database Annual Report by the Japan Surgical Society, 2025, Surgery Today

The scientist's work is notable for addressing both clinical therapeutic approaches and diagnostic advancements. Their studies often include large-scale clinical data analysis, biomarker research, and evaluations of healthcare impacts, particularly evidenced by their investigation into surgical procedure trends during the COVID-19 pandemic in Japan.

Akinobu Taketomi's broad publication record in medicine, with over 600 publications, emphasizes surgery as the most significant subfield followed by oncology and hepatology. This quantitative output underlines their sustained contribution to medical sciences, focusing on improving understanding and treatment within their research scope.

Best Publications

  • Genome-wide association study identifies TNFSF15 and POU2AF1 as susceptibility loci for primary biliary cirrhosis in the Japanese population.

    Minoru Nakamura;Nao Nishida;Minae Kawashima;Yoshihiro Aiba

  • Long-term and perioperative outcomes of laparoscopic versus open liver resection for hepatocellular carcinoma with propensity score matching: a multi-institutional Japanese study.

    Takeshi Takahara;Go Wakabayashi;Toru Beppu;Arihiro Aihara

  • Interleukin-6/STAT3 signaling as a promising target to improve the efficacy of cancer immunotherapy.

    Hidemitsu Kitamura;Yosuke Ohno;Yujiro Toyoshima;Junya Ohtake

  • Variants in IL28B in liver recipients and donors correlate with response to peg-interferon and ribavirin therapy for recurrent hepatitis C.

    Takasuke Fukuhara;Akinobu Taketomi;Takashi Motomura;Shinji Okano

  • The predictors of microvascular invasion in candidates for liver transplantation with hepatocellular carcinoma-with special reference to the serum levels of des-gamma-carboxy prothrombin.

    Ken Shirabe;shinji itoh;Tomoharu Yoshizumi;Yuji Soejima

  • Trends in morbidity and mortality after hepatic resection for hepatocellular carcinoma: an institute's experience with 625 patients.

    Akinobu Taketomi;Dai Kitagawa;Shinji Itoh;Norifumi Harimoto

  • Hepatocellular Carcinoma with a Pseudocapsule on Gadolinium-enhanced MR Images: Correlation with Histopathologic Findings

    Kousei Ishigami;Kengo Yoshimitsu;Yunosuke Nishihara;Hiroyuki Irie

  • Generation and Elimination of 8-Oxo-7,8-dihydro-2'-deoxyguanosine 5'-Triphosphate, a Mutagenic Substrate for DNA Synthesis, in Human Cells

    Hiroshi Hayakawa;Akinobu Taketomi;Kunihiko Sakumi;Michihiko Kuwano

  • Feasibility of Left Lobe Living Donor Liver Transplantation Between Adults: An 8‐Year, Single‐Center Experience of 107 Cases

    Yuji Soejima;Yuji Soejima;A. Taketomi;Tomoharu Yoshizumi;H. Uchiyama

  • Clinical Significance of Histone Deacetylase 1 Expression in Patients with Hepatocellular Carcinoma

    Tatsuya Rikimaru;Akinobu Taketomi;Yo Ichi Yamashita;Ken Shirabe

  • Impact of des-gamma-carboxy prothrombin and tumor size on the recurrence of hepatocellular carcinoma after living donor liver transplantation.

    Akinobu Taketomi;Kensaku Sanefuji;Yuji Soejima;Tomoharu Yoshizumi

  • Surgical outcomes in gastroenterological surgery in Japan: Report of National Clinical database 2011-2016.

    Hiroshi Hasegawa;Arata Takahashi;Yoshihiro Kakeji;Hideki Ueno

  • Natural killer cell activity in patients with hepatocellular carcinoma: a new prognostic indicator after hepatectomy.

    Akinobu Taketomi;Mitsuo Shimada;Ken Shirabe;Kiyoshi Kajiyama

  • The beneficial role of simultaneous splenectomy in living donor liver transplantation in patients with small-for-size graft

    Tomoharu Yoshizumi;Akinobu Taketomi;Yuji Soejima;Toru Ikegami

  • Extended indication for living donor liver transplantation in patients with hepatocellular carcinoma.

    Yuji Soejima;Akinobu Taketomi;Tomoharu Yoshizumi;Hideaki Uchiyama

  • Arterial Blood Supply of Hepatocellular Carcinoma and Histologic Grading: Radiologic-Pathologic Correlation

    Yoshiki Asayama;Kengo Yoshimitsu;Yunosuke Nishihara;Hiroyuki Irie

  • Role of tumor-associated macrophages in the progression of hepatocellular carcinoma

    Ken Shirabe;Yohei Mano;Jun Muto;Rumi Matono

  • Delayed-phase dynamic CT enhancement as a prognostic factor for mass-forming intrahepatic cholangiocarcinoma.

    Yoshiki Asayama;Kengo Yoshimitsu;Hiroyuki Irie;Tsuyoshi Tajima

  • Proposal of progression model for intrahepatic cholangiocarcinoma: clinicopathologic differences between hilar type and peripheral type.

    Shinichi Aishima;Yousuke Kuroda;Yunosuke Nishihara;Tomohiro Iguchi

  • Longterm Favorable Results of Limited Hepatic Resections for Patients with Hepatocellular Carcinoma: 20 Years of Experience

    Yo ichi Yamashita;Akinobu Taketomi;shinji itoh;Dai Kitagawa

Frequent Co-Authors

Yoshihiko Maehara
Yoshihiko Maehara Kyushu University
Ken Shirabe
Ken Shirabe Gunma University
Mitsuo Shimada
Mitsuo Shimada University of Tokushima
Hiroshi Honda
Hiroshi Honda Kyushu University
Hideo Baba
Hideo Baba Kumamoto University
Masazumi Tsuneyoshi
Masazumi Tsuneyoshi Kyushu University
Keizo Sugimachi
Keizo Sugimachi Kyushu University
Satoru Todo
Satoru Todo Hokkaido University
Yoshihiro Matsuno
Yoshihiro Matsuno Hokkaido University
Shinji Uemoto
Shinji Uemoto Kyoto University

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