World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
41
Citations
6610
World Ranking
17746
National Ranking
1404

Koichi Tokuda 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 Tokuda 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: 169 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Koichi Tokuda 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 Tokuda 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: 41 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

Koichi Tokuda is affiliated with the Tokyo Institute of Technology in Japan and has a body of research focused predominantly in the fields of Medicine and Biochemistry, Genetics and Molecular Biology. Their work covers a range of subfields including Infectious Diseases, Epidemiology, Molecular Biology, Endocrinology, and Surgery.

Their research topics include:

  • Antibiotic Resistance in Bacteria
  • COVID-19 Clinical Research Studies
  • Vibrio bacteria research studies
  • Antimicrobial Resistance in Staphylococcus
  • Tuberculosis Research and Epidemiology
  • Bacterial Identification and Susceptibility Testing
  • Streptococcal Infections and Treatments

Frequent publication venues for Koichi Tokuda's work include:

  • Microorganisms
  • Open Forum Infectious Diseases
  • Antibiotics
  • The Lancet Infectious Diseases
  • Journal of Infection and Chemotherapy

Among their recent publications are:

  • Clinical characteristics and treatment outcomes of carbapenem-resistant Enterobacterales infections in Japan, 2022, Journal of Global Antimicrobial Resistance
  • A 19-Year Study of Dental Needlestick and Sharps Injuries in Japan, 2022, International Dental Journal
  • Clinical and Epidemiological Characteristics of Persistent Bacteremia: A Decadal Observational Study, 2023, Pathogens
  • Chromobacterium haemolyticum Pneumonia Associated with Near-Drowning and River Water, Japan, 2020, Emerging Infectious Diseases
  • Clinical features of COVID-19 patients with rebound phenomenon after corticosteroid therapy, 2022, BMJ Open Respiratory Research

Koichi Tokuda has worked alongside several frequent co-authors including:

  • Hajime Kanamori
  • Hiroaki Baba
  • Kengo Oshima
  • Tetsuji Aoyagi
  • Kentaro Takei

Best Publications

  • Linear sweep voltammetry at very small stationary disk electrodes

    Koichi Aoki;Koji Akimoto;Koichi Tokuda;Hiroaki Matsuda

  • Voltammetry at partially covered electrodes

    Tatsuro Gueshi;Koichi Tokuda;Hiroaki Matsuda

  • Electroanalytical applications of cationic self-assembled monolayers: square-wave voltammetric determination of dopamine and ascorbate.

    Chellappan Retna Raj;Koichi Tokuda;Takeo Ohsaka

  • Theory of linear sweep voltammetry with finite diffusion space

    Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda

  • Voltammetry at partially covered electrodes: Part II. Linear potential sweep and cyclic voltammetry

    Tatsuro Gueshi;Koichi Tokuda;Hiroaki Matsuda

  • Voltammetry at microcylinder electrodes: Part I. Linear sweep voltammetry

    Koichi Aoki;Katsuya Honda;Koichi Tokuda;Hiroaki Matsuda

  • Voltammetry at partially covered electrodes: Part III. Faradaic impedance measurements at model electrodes

    Koichi Tokuda;Tatsuro Gueshi;Hiroaki Matsuda

  • Use of Hydrodynamic Chronocoulometry for Simultaneous Determination of Diffusion Coefficients and Concentrations of Dioxygen in Various Media

    Manabu. Tsushima;Koichi. Tokuda;Takeo. Ohsaka

  • Diffusion current at microdisk electrodes—application to accurate measurement of diffusion coefficients

    Masato Kakihana;Haruko Ikeuchi;Gen P. Satô;Koichi Tokuda

  • Relationship between the Skew Angle and Interplanar Distance in Four Bis(phthalocyaninato)lanthanide(III) Tetrabutylammonium Salts ([NBun4][LnIIIPc2]; Ln = Nd, Gd, Ho, Lu)

    Naoto Koike;Hidehiro Uekusa;Yuji Ohashi;Chokto Harnoode

  • Apparent diffusion coefficients for electroactive anions in coatings of protonated poly(4-vinylpiridine) on graphite electrodes

    Noboru Oyama;Shuichiro Yamaguchi;Yoshinori Nishiki;Koichi Tokuda

  • Multiple voltammetric waves for reductive desorption of cysteine and 4-mercaptobenzoic acid monolayers self-assembled on gold substrates

    Kazuki Arihara;Takako Ariga;Noriko Takashima;Kayo Arihara

  • Theory of linear sweep voltammetry with finite diffusion space: Part II. Totally irreversible and quasi-reversible cases

    Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda

  • Voltammetry at microcylinder electrodes: Part II. Chronoamperometry

    Koichi Aoki;Katsuya Honda;Koichi Tokuda;Hiroaki Matsuda

  • Electrode kinetics of surfactant polypyridine osmium and ruthenium complexes confined to tin oxide electrodes in a monomolecular layer by the Langmuir-Blodgett method

    Hideharu Daifuku;Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda

  • Theory of stationary current-potential curves at microdisk electrodes for quasi-reversible and totally irreversible electrode reactions

    Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda

  • Reversible square-wave voltammograms independence of electrode geometry

    Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda;Janet Osteryoung

  • Unique optical and electrochemical properties of π-conjugated electrically conducting copolymers consisting of electron-withdrawing pyridine units and electron-donating thiophene units

    Zhen-Hua Zhou;Tsukasa Maruyama;Takaki Kanbara;Tomiki Ikeda

  • Theory of electrode reactions of redox couples confined to electrode surfaces at monolayer levels: Part II. Cyclic voltammetry and ac impedance measurements

    Hiroaki Matsuda;Koichi Aoki;Koichi Tokuda

  • Characterization of the adsorption state of carbonate ions at the Au(111) electrode surface using in situ IRAS

    Kazuki Arihara;Fusao Kitamura;Takeo Ohsaka;Koichi Tokuda

  • Theory of chronoamperometric curves at microband electrodes

    Koichi Aoki;Koichi Tokuda;Hiroaki Matsuda

Frequent Co-Authors

Takeo Ohsaka
Takeo Ohsaka Kanagawa University
Takeyoshi Okajima
Takeyoshi Okajima Tokyo Institute of Technology
Noboru Oyama
Noboru Oyama Tokyo University of Agriculture and Technology
Stanley Bruckenstein
Stanley Bruckenstein University at Buffalo, State University of New York
S. Abraham John
S. Abraham John Gandhigram Rural Institute
Takaki Kanbara
Takaki Kanbara University of Tsukuba
Charles R. Martin
Charles R. Martin University of Florida
Takakazu Yamamoto
Takakazu Yamamoto Tokyo Institute of Technology
Barry Miller
Barry Miller Nokia (United States)
Tomiki Ikeda
Tomiki Ikeda Chuo University

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