World's Best Scientists 2026 revealed!
Kunio Okuda

Kunio Okuda

D-Index & Metrics

Medicine

D-Index
80
Citations
24722
World Ranking
17061
National Ranking
541

Kunio Okuda 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 Kunio Okuda sits on this spectrum.

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 publications 1,796+

This scientist: 434 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Kunio Okuda 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 Kunio Okuda sits on this spectrum.

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 D-Index 217+

This scientist: 80 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Kunio Okuda was affiliated with Chiba University in Japan. Their research primarily focused on the field of Medicine, contributing a total of 139 publications, with a strong emphasis on subfields such as Pulmonary and Respiratory Medicine, Neurology, Molecular Biology, Surgery, and Cancer Research.

The main topics addressed in Kunio Okuda's work included:

  • Lung Cancer Diagnosis and Treatment
  • Myasthenia Gravis and Thymoma
  • Lung Cancer Treatments and Mutations
  • Pleural and Pulmonary Diseases
  • Tracheal and airway disorders
  • RNA modifications and cancer
  • Neuroblastoma Research and Treatments

Throughout their academic career, Okuda published in several research venues, with multiple publications appearing in:

  • Translational Lung Cancer Research (7 publications)
  • Thoracic Cancer (7 publications)
  • Journal of Thoracic Disease (5 publications)
  • Research Square (4 publications)
  • Gland Surgery (3 publications)

Among the recent scientific papers associated with Okuda's research were:

  • "A signature of estimate-stromal-immune score-based genes associated with the prognosis of lung adenocarcinoma" (2021, Translational Lung Cancer Research)
  • "Combined use of the ProSeal laryngeal mask airway and a bronchial blocker vs. a double-lumen endobronchial tube in thoracoscopic surgery: A randomized controlled trial" (2023, Journal of Clinical Anesthesia)
  • "Mutation Profile of Thymic Carcinoma and Thymic Neuroendocrine Tumor by Targeted Next-generation Sequencing" (2020, Clinical Lung Cancer)
  • "Surgery versus stereotactic body radiotherapy for clinical stage I non-small-cell lung cancer: propensity score-matching analysis including the ratio of ground glass nodules" (2020, Clinical & Translational Oncology)
  • "Comprehensive genomic profiling of combined small cell lung cancer" (2021, Translational Lung Cancer Research)

Frequent co-authors working alongside Okuda included:

  • Ryoichi Nakanishi (24 co-authored works)
  • Keisuke Yokota (22 co-authored works)
  • Tsutomu Tatematsu (15 co-authored works)
  • Risa Oda (14 co-authored works)
  • Tadashi Sakane (12 co-authored works)

Best Publications

  • Natural history of hepatocellular carcinoma and prognosis in relation to treatment study of 850 patients

    Kunio Okuda;Toshio Ohtsuki;Hiroshi Obata;Masahiko Tomimatsu

  • The long-term pathological evolution of chronic hepatitis C

    M Yano;H Kumada;M Kage;K Ikeda

  • Hepatocellular carcinoma: Recent progress

    Kunio Okuda

  • Treatment of gastric fundal varices by balloon-occluded retrograde transvenous obliteration.

    Hiroshi Kanagawa;Satoaki Mima;Harukazu Kouyama;Kenichiroh Gotoh

  • Natural history of minute hepatocellular carcinoma smaller than three centimeters complicating cirrhosis. A study in 22 patients.

    Masaaki Ebara;Masao Ohto;Takashi Shinagawa;Nobuyuki Sugiura

  • Portal hemodynamics in patients with gastric varices: A study in 230 patients with esophageal and/or gastric varices using portal vein catheterization

    Kiyoshi Watanabe;Kunio Kimura;Shoichi Matsutani;Masao Ohto

  • Incidence of portal vein thrombosis in liver cirrhosis: An angiographic study in 708 patients

    Kunio Okuda;Kunihiko Ohnishi;Kunio Kimura;Shoichi Matsutani

  • Primary liver cancers in Japan

    Kunio Okuda

  • Percutaneous transhepatic drainage of the biliary tract: Technique and results in 104 cases

    Toshimichi Nakayama;Toshimichi Nakayama;Akio Ikeda;Akio Ikeda;Kunio Okuda;Kunio Okuda

  • Early recognition of hepatocellular carcinoma.

    Kunio Okuda

  • Percutaneous ethanol injection for the treatment of small hepatocellular carcinoma. Study of 95 patients

    Masaaki Ebara;Masao Ohto;Nobuyuki Sugiura;Kazuhiko Kita

  • Association of gallbladder carcinoma and anomalous pancreaticobiliary ductal union

    Kunio Kimura;Masao Ohto;Hiromitsu Saisho;Takao Unozawa

  • Hepatocellular carcinoma detected by iodized oil.

    Y Yumoto;K Jinno;K Tokuyama;Y Araki

  • Diagnosis and Clinical Features of Small Hepatocellular Carcinoma With Emphasis on the Utility of Real-Time Ultrasonography: A Study in 51 Patients

    Takashi Shinagawa;Masao Onto;Kunio Kimura;Shigeyuki Tsunetomi

  • Nonsurgical, percutaneous transhepatic cholangiography--diagnostic significance in medical problems of the liver.

    Kunio Okuda;Kyuichi Tanikawa;Takeshi Emura;Shintaro Kuratomi

  • Epidemiological and clinical features of Budd-Chiari syndrome in Japan

    Hiroaki Okuda;Hideharu Yamagata;Hiroshi Obata;Hirotoshi Iwata

  • Prognosis of primary hepatocellular carcinoma.

    Kunio Okuda;Hiroshi Obata;Yukio Nakajima;Toshio Ohtsuki

  • Clinical Study of Eighty-six Cases of Idiopathic Portal Hypertension and Comparison With Cirrhosis With Splenomegaly

    Kunio Okuda;Kunihiko Kong;Kunihiko Ohnishi;Kunio Kimura

  • Cholangiocarcinoma: recent progress. Part 1: epidemiology and etiology.

    Kunio Okuda;Yasuni Nakanuma;Masaru Miyazaki

  • Proposal of a new nomenclature for budd‐chiari syndrome: Hepatic vein thrombosis versus thrombosis of the inferior vena cava at its hepatic portion

    Kunio Okuda;Masayoshi Kage;Santosh M. Shrestha

Frequent Co-Authors

Osamu Yokosuka
Osamu Yokosuka Chiba University
Hiromitsu Saisho
Hiromitsu Saisho Chiba University
Fumio Imazeki
Fumio Imazeki Chiba University
Masao Omata
Masao Omata University of Tokyo
Masamichi Kojiro
Masamichi Kojiro Kurume University
Yasuni Nakanuma
Yasuni Nakanuma Kanazawa University
Hiromasa Ishii
Hiromasa Ishii Keio University
Kiwamu Okita
Kiwamu Okita Yamaguchi University
Fumio Tsuda
Fumio Tsuda Toshiba (Japan)
Hiromitsu Kumada
Hiromitsu Kumada Fukuoka University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Interested in the wider healthcare field? There are a variety of online degrees designed to support unique career goals beyond the traditional MD. If you are a nurse looking to advance, you might consider one of the cheapest bsn to dnp programs to become a nurse practitioner or take on advanced leadership roles.

Another option for those passionate about pharmacy is pursuing online pharmd programs, which can open doors in clinical pharmacy, research, and pharmaceutical industry roles.

For those who prefer working with health data and systems, consider an online bachelor's in health information management—a degree that prepares you to manage patient information and the technology behind medical records.

If you’re seeking a faster entry into healthcare administration, low-cost training like a low cost medical coding and billing online program can lead to in-demand roles that support hospitals, clinics, and other medical organizations.

Each of these pathways offers flexibility for working professionals and can be a smart way to launch or advance your healthcare career with a focus tailored to your interests.

Best Scientists Citing Kunio Okuda

Recently Published Articles