World's Best Scientists 2026 revealed!
Seiichi Yamamoto

Seiichi Yamamoto

D-Index & Metrics

Engineering and Technology

D-Index
45
Citations
7718
World Ranking
5507
National Ranking
94

Seiichi Yamamoto publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Seiichi Yamamoto sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 470 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Seiichi Yamamoto D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Seiichi Yamamoto sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 45 D-Index — 46th percentile

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

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2004 - IEEE Fellow For leadership in the development of spoken language communication systems.

Overview

Seiichi Yamamoto is affiliated with Doshisha University in Japan. Their research primarily spans the fields of Physics and Astronomy as well as Medicine, with a strong focus on radiation and related technologies.

Their subfields of study include:

  • Radiation
  • Pulmonary and Respiratory Medicine
  • Radiology, Nuclear Medicine and Imaging
  • Nuclear and High Energy Physics
  • Biomedical Engineering

Yamamoto's research topics cover a range of areas related to radiation detection and medical applications. These include:

  • Radiation Detection and Scintillator Technologies
  • Radiation Therapy and Dosimetry
  • Advanced Radiotherapy Techniques
  • Medical Imaging Techniques and Applications
  • Nuclear Physics and Applications
  • Particle Detector Development and Performance
  • Advanced X-ray and CT Imaging

Frequent co-authors collaborating with Yamamoto are:

  • J. Kataoka
  • Kei Kamada
  • Akira Yoshikawa
  • Kohei Nakanishi
  • Takuya Yabe

The major venues where Yamamoto has published include:

  • Journal of Instrumentation
  • Applied Radiation and Isotopes
  • Medical Physics
  • Physics in Medicine and Biology
  • Physica Medica

Notable recent papers authored by Seiichi Yamamoto are:

  • Comparison of light outputs, decay times, and imaging performance of a ZnS(Ag) scintillator for alpha particles, beta particles, and gamma photons (2020, Applied Radiation and Isotopes)
  • Development of an ultrahigh-resolution radiation real-time imaging system to observe trajectory of alpha particles in a scintillator (2020, Radiation Measurements)
  • Sensitivity improvement of YAP(Ce) cameras for imaging of secondary electron bremsstrahlung x-rays emitted during carbon-ion irradiation: problem and solution (2020, Physics in Medicine and Biology)
  • Discovery of the luminescence of water during irradiation of radiation at a lower energy than the Cherenkov light threshold (2020, Radiological Physics and Technology)

Among awards, Seiichi Yamamoto was named an IEEE Fellow in 2004 for leadership in the development of spoken language communication systems.

Best Publications

  • Toward a Broad-coverage Bilingual Corpus for Speech Translation of Travel Conversations in the Real World

    Toshiyuki Takezawa;Eiichiro Sumita;Fumiaki Sugaya;Hirofumi Yamamoto

  • Development of Pr:LuAG Scintillator Array and Assembly for Positron Emission Mammography

    Takayuki Yanagida;Akira Yoshikawa;Yuui Yokota;Kei Kamada

  • Speech synthesis system by rule using phonemes as systhesis units

    Seiichi Yamamoto;Norio Higuchi;Toru Shimizu

  • The ATR Multilingual Speech-to-Speech Translation System

    S. Nakamura;K. Markov;H. Nakaiwa;G. Kikui

  • Creating corpora for speech-to-speech translation.

    Gen-ichiro Kikui;Eiichiro Sumita;Toshiyuki Takezawa;Seiichi Yamamoto

  • A GSO depth of interaction detector for PET

    S. Yamamoto;H. Ishibashi

  • Gaze and turn-taking behavior in casual conversational interactions

    Kristiina Jokinen;Hirohisa Furukawa;Masafumi Nishida;Seiichi Yamamoto

  • Development of a Si-PM-based high-resolution PET system for small animals

    Seiichi Yamamoto;Masao Imaizumi;Tadashi Watabe;Hiroshi Watabe

  • Measuring Non-native Speakers' Proficiency of English by Using a Test with Automatically-Generated Fill-in-the-Blank Questions

    Eiichiro Sumita;Fumiaki Sugaya;Seiichi Yamamoto

  • First Performance Results of Ce:GAGG Scintillation Crystals With Silicon Photomultipliers

    Jung Yeol Yeom;S. Yamamoto;S. E. Derenzo;V. C. Spanoudaki

  • Design and evaluation of HEADTOME-IV, a whole-body positron emission tomograph

    H. Iida;S. Miura;I. Kanno;M. Murakami

  • Scintillator selection for MR-compatible gamma detectors

    S. Yamamoto;K. Kuroda;M. Senda

  • Safety gas bag structure

    Takashi Baba;Takayoshi Kawashima;Yutaka Kondo;Choji Nozaki

  • A depth of interaction detector for PET with GSO crystals doped with different amounts of Ce

    N. Inadama;H. Murayama;T. Omura;T. Yamashita

  • Design and performance from an integrated PET/MRI system for small animals

    Seiichi Yamamoto;Masao Imaizumi;Yasukazu Kanai;Mitsuaki Tatsumi

  • A Japanese-to-English speech translation system: ATR-MATRIX.

    Toshiyuki Takezawa;Tsuyoshi Morimoto;Yoshinori Sagisaka;Nick Campbell

  • Design and evaluation of a positron emission tomograph: HEADTOME III.

    Iwao Kanno;Shuichi Miura;Seiichi Yamamoto;Hidehiro Iida

  • Development of a Brain PET System, PET-Hat: A Wearable PET System for Brain Research

    S Yamamoto;M Honda;T Oohashi;K Shimizu

  • Development of a GSO detector assembly for a continuous blood sampling system

    N. Kudomi;Eunjoo Choi;S. Yamamoto;H. Watabe

  • Development of a Dual-Sided Readout DOI-PET Module Using Large-Area Monolithic MPPC-Arrays

    A. Kishimoto;J. Kataoka;T. Kato;T. Miura

  • Comparative study on corpora for speech translation

    G. Kikui;S. Yamamoto;T. Takezawa;E. Sumita

Frequent Co-Authors

Akira Yoshikawa
Akira Yoshikawa Tohoku University
Jun Kataoka
Jun Kataoka Waseda University
Eiichiro Sumita
Eiichiro Sumita National Institute of Information and Communications Technology
Kazuya Takeda
Kazuya Takeda Nagoya University
Iwao Kanno
Iwao Kanno National Institutes for Quantum and Radiological Science and Technology
Martin Nikl
Martin Nikl Czech Academy of Sciences
Masatoshi Itoh
Masatoshi Itoh Tohoku University
Shinji Naganawa
Shinji Naganawa Nagoya University
Yasuyoshi Watanabe
Yasuyoshi Watanabe Osaka Metropolitan University
Manabu Tashiro
Manabu Tashiro Tohoku University

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