World's Best Scientists 2026 revealed!
Koichi Komatsu

Koichi Komatsu

D-Index & Metrics

Chemistry

D-Index
66
Citations
13227
World Ranking
7422
National Ranking
490

Koichi Komatsu publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Koichi Komatsu sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 385 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Koichi Komatsu D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Koichi Komatsu sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Koichi Komatsu is affiliated with Kyoto University in Japan. Their research spans across the fields of Medicine and Engineering, with a focus on Surgery, Oncology, Biomedical Engineering, Rheumatology, and Environmental Engineering.

Their recent publications include studies in diverse areas such as colorectal cancer surgical treatments, anorectal disease outcomes, and concrete and cement materials research. Notable papers include:

  • Preoperative Simulation of Ileal Pouch-Anal Anastomosis in Patients With Ulcerative Colitis Using a 3-Dimensional Printed Model, 2023, published in Inflammatory Bowel Diseases
  • Colectomy, especially right hemicolectomy, is a possible predisposing factor of omental torsion, 2023, published in ANZ Journal of Surgery
  • STUDY OF CONDITIONS ON CO2 FIXARTION IN WASTE CONCRETE BY THERMAL CARBONATION, 2025, published in Cement Science and Concrete Technology
  • Update on the Diagnosis and Treatment of IBD-Associated Cancer, 2025, published in Nihon Daicho Komonbyo Gakkai Zasshi

The frequent co-authors who have collaborated with Komatsu include:

  • Hiroaki Nozawa
  • Soichiro Ishihara
  • Koji Murono
  • Kazuhito Sasaki
  • Shigenobu Emoto

The primary publication venues where Komatsu's work appears are:

  • Inflammatory Bowel Diseases
  • ANZ Journal of Surgery
  • Cement Science and Concrete Technology
  • Nihon Daicho Komonbyo Gakkai Zasshi

Main topics of their research involve:

  • Colorectal Cancer Surgical Treatments
  • Anatomy and Medical Technology
  • Anorectal Disease Treatments and Outcomes
  • Omental and Epiploic Conditions
  • Case Reports on Hematomas
  • Microbial Applications in Construction Materials
  • Concrete and Cement Materials Research

Best Publications

  • Encapsulation of Molecular Hydrogen in Fullerene C60 by Organic Synthesis

    Koichi Komatsu;Michihisa Murata;Yasujiro Murata

  • Synthesis and X-ray structure of dumb-bell-shaped C 120

    Guan-Wu Wang;Koichi Komatsu;Yasujiro Murata;Motoo Shiro

  • A Kinetic Study on the Rate Retardation in Radical Polymerization of Styrene with Addition−Fragmentation Chain Transfer

    Yungwan Kwak;Atsushi Goto;Yoshinobu Tsujii;Yasujiro Murata

  • Mechanochemical Synthesis and Characterization of the Fullerene Dimer C120

    Koichi Komatsu;Guan-Wu Wang;Yasujiro Murata;Toru Tanaka

  • Cyclopropenylium cations, cyclopropenones, and heteroanalogues-recent advances.

    Koichi Komatsu;Toshikazu Kitagawa

  • Surgery of fullerenes.

    Michihisa Murata;Yasujiro Murata;Yasujiro Murata;Koichi Komatsu

  • 100% encapsulation of a hydrogen molecule into an open-cage fullerene derivative and gas-phase generation of H2@C60.

    Yasujiro Murata;Michihisa Murata;Koichi Komatsu

  • Synthesis, Structure, and Properties of Novel Open-Cage Fullerenes Having Heteroatom(s) on the Rim of the Orifice

    Yasujiro Murata;Michihisa Murata;Koichi Komatsu

  • Synthesis and Properties of Endohedral C60 Encapsulating Molecular Hydrogen

    Michihisa Murata;Yasujiro Murata;Koichi Komatsu

  • Solid-State [4 + 2] Cycloaddition of Fullerene C60 with Condensed Aromatics Using a High-Speed Vibration Milling Technique

    Yasujiro Murata;Noriyuki Kato;Koichi Fujiwara;Koichi Komatsu

  • Positive Heterotropic Cooperativity for Selective Guest Binding via Electronic Communications through a Fused Zinc Porphyrin Array

    Hiroshi Sato;Kentaro Tashiro;Hideyuki Shinmori;Atsuhiro Osuka

  • Aqueous solubilization of crystalline fullerenes by supramolecular complexation with γ-cyclodextrin and sulfocalix[8]arene under mechanochemical high-speed vibration milling

    Koichi Komatsu;Koichi Fujiwara;Yasujiro Murata;Tibor Braun

  • Synthesis and structural, electronic, and optical properties of oligo(thienylfuran)s in comparison with oligothiophenes and oligofurans.

    Yasuo Miyata;Tohru Nishinaga;Koichi Komatsu

  • Persistent pi radical cations: self-association and its steric control in the condensed phase.

    Tohru Nishinaga;Koichi Komatsu

  • Synthesis and reaction of fullerene C70 encapsulating two molecules of H2.

    Michihisa Murata;Shuhei Maeda;Yuta Morinaka;Yasujiro Murata

  • Efficient synthesis of benzene and planar cyclooctatetraene fully annelated with bicyclo[2.1.1]hex-2-ene.

    Akira Matsuura;Koichi Komatsu

  • Use of naphthalene as a solvent for selective formation of the 1:1 diels-alder adduct of C60 with anthracene

    Koichi Komatsu;Yasujiro Murata;Nobuyuki Sugita;Ken'ichi Takeuchi

  • Rigid Molecular Tripod with an Adamantane Framework and Thiol Legs. Synthesis and Observation of an Ordered Monolayer on Au(111)

    Toshikazu Kitagawa;Yuichi Idomoto;Hiroaki Matsubara;Daisuke Hobara

  • Synthesis and Properties of the First Acetylene Derivatives of C60

    Koichi Komatsu;Yasujiro Murata;Naohiko Takimoto;Sadayuki Mori

  • Synthesis of 1,4-Dipolystyryldihydro[60]fullerenes by Using 2,2,6,6-Tetramethyl-1-polystyroxypiperidine as a Radical Source

    Haruyuki Okamura;Tomoya Terauchi;Masahiko Minoda;Takeshi Fukuda

Frequent Co-Authors

Yasujiro Murata
Yasujiro Murata Kyoto University
Nicholas J. Turro
Nicholas J. Turro Columbia University
Guan-Wu Wang
Guan-Wu Wang University of Science and Technology of China
Malcolm H. Levitt
Malcolm H. Levitt University of Southampton
Osamu Ito
Osamu Ito Tohoku University
Atsushi Wakamiya
Atsushi Wakamiya Kyoto University
Robert West
Robert West University of Wisconsin–Madison
Mamoru Fujitsuka
Mamoru Fujitsuka Osaka University
Steffen Jockusch
Steffen Jockusch Bowling Green State University
Takeshi Fukuda
Takeshi Fukuda Kyoto University

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