World's Best Scientists 2026 revealed!
Hiroki Shirato

Hiroki Shirato

D-Index & Metrics

Medicine

D-Index
91
Citations
35993
World Ranking
11627
National Ranking
343

Hiroki Shirato 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 Hiroki Shirato 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: 611 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: 829 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

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

Hiroki Shirato 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 Hiroki Shirato 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: 400 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: 91 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

Hiroki Shirato is affiliated with Hokkaido University in Japan and has contributed extensively to the fields of medicine and physics and astronomy, with a focus on pulmonary and respiratory medicine, radiation, and radiology, nuclear medicine and imaging.

Their research covers advanced radiotherapy techniques, radiation therapy and dosimetry, lung cancer diagnosis and treatment, circadian rhythm and melatonin, radiomics and machine learning in medical imaging, management of metastatic bone disease, and medical imaging techniques and applications.

Frequent co-authors in their work include Shinichi Shimizu, Seishin Takao, Naoki Miyamoto, Taeko Matsuura, and Hiroshi Taguchi.

They have published in several scientific venues, notably:

  • Journal of Radiation Research
  • Journal of Applied Clinical Medical Physics
  • International Journal of Radiation Oncology*Biology*Physics
  • Advances in Radiation Oncology
  • Biochemical and Biophysical Research Communications

Selected recent papers by Hiroki Shirato encompass:

  • Radiological tumour classification across imaging modality and histology, 2021, Nature Machine Intelligence
  • Lysosomal trafficking mediated by Arl8b and BORC promotes invasion of cancer cells that survive radiation, 2020, Communications Biology
  • Potential benefits of adaptive intensity-modulated proton therapy in nasopharyngeal carcinomas, 2020, Journal of Applied Clinical Medical Physics
  • Individualized Stereotactic Ablative Radiotherapy for Lung Tumors, 2023, JAMA Oncology
  • Fast spot-scanning proton dose calculation method with uncertainty quantification using a three-dimensional convolutional neural network, 2020, Physics in Medicine and Biology

Throughout their career, Hiroki Shirato has concentrated on topics bridging clinical approaches and technical advances in radiotherapy and imaging, integrating machine learning and dosimetric quantification methods.

Best Publications

  • Stereotactic Radiosurgery Plus Whole-Brain Radiation Therapy vs Stereotactic Radiosurgery Alone for Treatment of Brain Metastases: A Randomized Controlled Trial

    Hidefumi Aoyama;Hiroki Shirato;Masao Tago;Keiichi Nakagawa

  • Precise and real-time measurement of 3D tumor motion in lung due to breathing and heartbeat, measured during radiotherapy.

    Yvette Seppenwoolde;Hiroki Shirato;Kei Kitamura;Shinichi Shimizu

  • Hypofractionated stereotactic radiotherapy (HypoFXSRT) for stage I non-small cell lung cancer: updated results of 257 patients in a Japanese multi-institutional study.

    Hiroshi Onishi;Hiroki Shirato;Yasushi Nagata;Masahiro Hiraoka

  • Stereotactic hypofractionated high-dose irradiation for stage I nonsmall cell lung carcinoma: clinical outcomes in 245 subjects in a Japanese multiinstitutional study.

    Hiroshi Onishi;Tsutomu Araki;Hiroki Shirato;Yasushi Nagata

  • Physical aspects of a real-time tumor-tracking system for gated radiotherapy

    Hiroki Shirato;Shinichi Shimizu;Tatsuya Kunieda;Kei Kitamura

  • Stereotactic body radiotherapy (SBRT) for operable Stage i non-small-cell lung cancer: Can SBRT be comparable to surgery?

    Hiroshi Onishi;Hiroki Shirato;Yasushi Nagata;Masahiro Hiraoka

  • The management of imaging dose during image-guided radiotherapy: Report of the AAPM Task Group 75

    Martin J. Murphy;James Balter;Stephen Balter;Jose A. Bencomo

  • Four-dimensional treatment planning and fluoroscopic real-time tumor tracking radiotherapy for moving tumor.

    Hiroki Shirato;Shinichi Shimizu;Kei Kitamura;Takeshi Nishioka

  • Neurocognitive Function of Patients with Brain Metastasis Who Received Either Whole Brain Radiotherapy Plus Stereotactic Radiosurgery or Radiosurgery Alone

    Hidefumi Aoyama;Masao Tago;Norio Kato;Tatsuya Toyoda

  • Prediction of respiratory tumour motion for real-time image-guided radiotherapy

    Gregory C Sharp;Steve B Jiang;Shinichi Shimizu;Hiroki Shirato

  • Intrafractional tumor motion: lung and liver.

    Hiroki Shirato;Yvette Seppenwoolde;Kei Kitamura;Rikiya Onimura

  • Feasibility of insertion/implantation of 2.0-mm-diameter gold internal fiducial markers for precise setup and real-time tumor tracking in radiotherapy.

    Hiroki Shirato;Toshiyuki Harada;Tooru Harabayashi;Kazutoshi Hida

  • Detection of lung tumor movement in real-time tumor-tracking radiotherapy

    Shinichi Shimizu;Hiroki Shirato;Shigeaki Ogura;Hirotoshi Akita-Dosaka

  • Differences in CT perfusion maps generated by different commercial software: quantitative analysis by using identical source data of acute stroke patients.

    Kohsuke Kudo;Makoto Sasaki;Kei Yamada;Suketaka Momoshima

  • Impact of respiratory movement on the computed tomographic images of small lung tumors in three-dimensional (3D) radiotherapy.

    Shinichi Shimizu;Hiroki Shirato;Kenji Kagei;Takeshi Nishioka

  • Accuracy of tumor motion compensation algorithm from a robotic respiratory tracking system: a simulation study.

    Yvette Seppenwoolde;Ross I. Berbeco;Seiko Nishioka;Hiroki Shirato

  • Residual motion of lung tumours in gated radiotherapy with external respiratory surrogates.

    Ross I Berbeco;Seiko Nishioka;Hiroki Shirato;George T Y Chen

  • Image fusion between 18FDG-PET and MRI/CT for radiotherapy planning of oropharyngeal and nasopharyngeal carcinomas.

    Takeshi Nishioka;Tohru Shiga;Hiroki Shirato;Eriko Tsukamoto

  • Real-time tumour-tracking radiotherapy

    Hiroki Shirato;Shinichi Shimizu;Tadashi Shimizu;Takeshi Nishioka

  • Tolerance of organs at risk in small-volume, hypofractionated, image-guided radiotherapy for primary and metastatic lung cancers.

    Rikiya Onimaru;Hiroki Shirato;Shinichi Shimizu;Kei Kitamura

Frequent Co-Authors

Nagara Tamaki
Nagara Tamaki Kyoto Prefectural University of Medicine
Lei Xing
Lei Xing Stanford University
Steve B Jiang
Steve B Jiang The University of Texas Southwestern Medical Center
Masahiro Hiraoka
Masahiro Hiraoka Kyoto University
Gregory C. Sharp
Gregory C. Sharp Harvard University
Masaharu Nishimura
Masaharu Nishimura Hokkaido University
Hiroshi Abe
Hiroshi Abe Nagoya University
Yi Cui
Yi Cui Stanford University
Takashi Hashimoto
Takashi Hashimoto Osaka Metropolitan University

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