World's Best Scientists 2026 revealed!
Shinichi Toyooka

Shinichi Toyooka

D-Index & Metrics

Medicine

D-Index
80
Citations
31572
World Ranking
16928
National Ranking
533

Shinichi Toyooka 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 Shinichi Toyooka 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: 697 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Shinichi Toyooka 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 Shinichi Toyooka 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

Shinichi Toyooka is affiliated with Okayama University in Japan and has a substantial body of research primarily in the field of Medicine. Their work is especially concentrated in subfields including Pulmonary and Respiratory Medicine, Surgery, Oncology, Molecular Biology, and Cancer Research.

The main research topics covered by their publications include:

  • Transplantation: Methods and Outcomes
  • Lung Cancer Diagnosis and Treatment
  • Lung Cancer Treatments and Mutations
  • Organ Transplantation Techniques and Outcomes
  • Renal Transplantation Outcomes and Treatments
  • Cancer Genomics and Diagnostics
  • Cancer Immunotherapy and Biomarkers

Toyooka has collaborated frequently with a number of researchers, including:

  • Seiichiro Sugimoto
  • Mikio Okazaki
  • Hiromasa Yamamoto
  • Kazuhiko Shien
  • Ken Suzawa

Their research is often published in several notable venues, particularly:

  • The Journal of Heart and Lung Transplantation
  • Surgery Today
  • Cancer Research
  • PubMed
  • Journal of Clinical Oncology

Some recent publications include:

  • Immune evasion through mitochondrial transfer in the tumour microenvironment, 2025, Nature
  • Clinical Impacts of EGFR Mutation Status: Analysis of 5780 Surgically Resected Lung Cancer Cases, 2020, The Annals of Thoracic Surgery
  • Randomized Phase III Study of Pemetrexed Plus Cisplatin Versus Vinorelbine Plus Cisplatin for Completely Resected Stage II to IIIA Nonsquamous Non-Small-Cell Lung Cancer, 2020, Journal of Clinical Oncology
  • Clinical practice guidance for next-generation sequencing in cancer diagnosis and treatment (edition 2.1), 2020, International Journal of Clinical Oncology
  • DV200 Index for Assessing RNA Integrity in Next-Generation Sequencing, 2020, BioMed Research International

Best Publications

  • Gefitinib versus cisplatin plus docetaxel in patients with non-small-cell lung cancer harbouring mutations of the epidermal growth factor receptor (WJTOG3405): an open label, randomised phase 3 trial

    Tetsuya Mitsudomi;Satoshi Morita;Yasushi Yatabe;Shunichi Negoro

  • Clinical and biological features associated with epidermal growth factor receptor gene mutations in lung cancers

    Hisayuki Shigematsu;Hisayuki Shigematsu;Li Lin;Takao Takahashi;Masaharu Nomura

  • Epigenetic Inactivation of RASSF1A in Lung and Breast Cancers and Malignant Phenotype Suppression

    David G. Burbee;Eva Forgacs;Sabine Zöchbauer-Müller;Latha Shivakumar

  • Somatic mutations of the HER2 kinase domain in lung adenocarcinomas

    Hisayuki Shigematsu;Hisayuki Shigematsu;Takao Takahashi;Masaharu Nomura;Kuntal Majmudar

  • The Relationship between Epidermal Growth Factor Receptor Mutations and Clinicopathologic Features in Non–Small Cell Lung Cancers

    Masaki Tokumo;Shinichi Toyooka;Katsuyuki Kiura;Hisayuki Shigematsu

  • Aberrant Promoter Methylation Profile of Bladder Cancer and Its Relationship to Clinicopathological Features

    Riichiroh Maruyama;Shinichi Toyooka;Kiyomi O. Toyooka;Kenichi Harada

  • Presence of Epidermal Growth Factor Receptor Gene T790M Mutation as a Minor Clone in Non–Small Cell Lung Cancer

    Michio Inukai;Shinichi Toyooka;Sachio Ito;Hiroaki Asano

  • PIK3CA Mutations and Copy Number Gains in Human Lung Cancers

    Hiromasa Yamamoto;Hiromasa Yamamoto;Hisayuki Shigematsu;Hisayuki Shigematsu;Masaharu Nomura;William W. Lockwood

  • Lung cancers with acquired resistance to EGFR inhibitors occasionally harbor BRAF gene mutations but lack mutations in KRAS, NRAS, or MEK1

    Kadoaki Ohashi;Lecia V. Sequist;Maria E. Arcila;Teresa Moran

  • Aberrant Promoter Methylation Profile of Prostate Cancers and Its Relationship to Clinicopathological Features

    Riichiroh Maruyama;Shinichi Toyooka;Kiyomi O. Toyooka;Arvind K. Virmani

  • The TP53 gene, tobacco exposure, and lung cancer.

    Shinichi Toyooka;Shinichi Toyooka;Toshihide Tsuda;Adi F. Gazdar

  • Smoke exposure, histologic type and geography-related differences in the methylation profiles of non-small cell lung cancer

    Shinichi Toyooka;Shinichi Toyooka;Riichiroh Maruyama;Kiyomi O. Toyooka;Dale McLerran

  • DNA methylation profiles of lung tumors.

    Shinichi Toyooka;Kiyomi O. Toyooka;Riichiroh Maruyama;Arvind K. Virmani

  • Loss of expression and aberrant methylation of the CDH13 (H-cadherin) gene in breast and lung carcinomas.

    Kiyomi O. Toyooka;Shinichi Toyooka;Arvind K. Virmani;Ubaradka G. Sathyanarayana

  • Aberrant promoter methylation and silencing of the RASSF1A gene in pediatric tumors and cell lines.

    Kenichi Harada;Shinichi Toyooka;Anirban Maitra;Riichiroh Maruyama

  • Acquired resistance to EGFR inhibitors is associated with a manifestation of stem cell-like properties in cancer cells

    Kazuhiko Shien;Shinichi Toyooka;Hiromasa Yamamoto;Junichi Soh

  • Genetic predictors of MEK-dependence in non-small cell lung cancer

    Christine A. Pratilas;Aphrothiti J. Hanrahan;Ensar Halilovic;Ensar Halilovic;Yogindra Persaud

  • Detection of EGFR gene mutation in lung cancer by mutant-enriched polymerase chain reaction assay.

    Hiroaki Asano;Shinichi Toyooka;Masaki Tokumo;Kouichi Ichimura

  • Oncogene mutations, copy number gains and mutant allele specific imbalance (MASI) frequently occur together in tumor cells.

    Junichi Soh;Junichi Soh;Naoki Okumura;William W. Lockwood;Hiromasa Yamamoto

  • The relationship between epidermal growth factor receptor(EGFR) mutations and clinico-pathological features in non-small cell lung cancers

    Masaki Tokumo;Shinichi Toyooka;Katsuyuki Kiura;Hisayuki Shigematsu

Frequent Co-Authors

Adi F. Gazdar
Adi F. Gazdar The University of Texas Southwestern Medical Center
Masakiyo Sakaguchi
Masakiyo Sakaguchi Okayama University
John D. Minna
John D. Minna The University of Texas Southwestern Medical Center
Keitaro Matsuo
Keitaro Matsuo Nagoya University
Tetsuya Mitsudomi
Tetsuya Mitsudomi Kindai University
Meinoshin Okumura
Meinoshin Okumura Osaka University
Yasushi Yatabe
Yasushi Yatabe Nagoya University
Harvey I. Pass
Harvey I. Pass New York University
Nobuyoshi Shimizu
Nobuyoshi Shimizu Keio University
Akira Yamauchi
Akira Yamauchi Kawasaki Medical School

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