World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 41 17746 16048 1404 1267 169 6610

Koichi Tokuda publications per year

The chart shows the history of publications by Koichi Tokuda between 1967 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koichi Tokuda published across 58 years, from 1967 to 2024, averaging 4.9 papers a year. Output peaked at 15 publications in 1987. 15 of the 284 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1967 to 2024. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 1987. 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 2 publications 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 7 publications 1978: 1 publication 1979: 5 publications 1980: 2 publications 1981: 1 publication 1982: 3 publications 1983: 3 publications 1984: 7 publications 1985: 9 publications 1986: 9 publications 1987: 15 publications 1988: 9 publications 1989: 4 publications 1990: 2 publications 1991: 6 publications 1992: 6 publications 1993: 10 publications 1994: 6 publications 1995: 4 publications 1996: 10 publications 1997: 6 publications 1998: 11 publications 1999: 11 publications 2000: 9 publications 2001: 7 publications 2002: 5 publications 2003: 2 publications 2004: 4 publications 2005: 2 publications 2006: 3 publications 2007: 3 publications 2008: 1 publication 2009: 2 publications 2010: 5 publications 2011: 5 publications 2012: 9 publications 2013: 5 publications 2014: 8 publications 2015: 6 publications 2016: 9 publications 2017: 4 publications 2018: 0 publications 2019: 2 publications 2020: 8 publications 2021: 9 publications 2022: 8 publications 2023: 14 publications 2024: 1 publication
1967 2024

284 publications in total across all disciplines

View publications per year as a table
Koichi Tokuda: publications per year, 1967 to 2024
Year Publications
1967 1
1968 0
1969 1
1970 0
1971 0
1972 0
1973 2
1974 1
1975 1
1976 0
1977 7
1978 1
1979 5
1980 2
1981 1
1982 3
1983 3
1984 7
1985 9
1986 9
1987 15
1988 9
1989 4
1990 2
1991 6
1992 6
1993 10
1994 6
1995 4
1996 10
1997 6
1998 11
1999 11
2000 9
2001 7
2002 5
2003 2
2004 4
2005 2
2006 3
2007 3
2008 1
2009 2
2010 5
2011 5
2012 9
2013 5
2014 8
2015 6
2016 9
2017 4
2018 0
2019 2
2020 8
2021 9
2022 8
2023 14
2024 1
Total 284
Download as CSV

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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 161–180 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350 169
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 40–41 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289 41
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to various career pathways, including specialized fields like pharmaceutical sciences and forensic science. For those interested in healthcare, becoming a pharmacist is a popular option. However, understanding how much does it cost to become a pharmacist is essential for planning your education and financial investment.

For students leaning towards forensic or medical sciences, careers such as a medical examiner assistant offer exciting opportunities. Learning how to become a medical examiner assistant involves a combination of specialized training and practical experience, which many online programs support effectively.

Choosing an affordable educational route is important, especially in fields like forensic science. Prospective students can explore the cheapest online forensic science degree options to balance quality education with cost-efficiency.

For those interested in advancing their studies, pursuing a masters in forensic psychology online offers flexibility and access to specialized knowledge that can boost career prospects in forensic and psychological fields.

Best Scientists Citing Koichi Tokuda

Trending Scientists

Recently Published Articles