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
Immunology 72 2240 2058 86 78 322 16367

Kenji Okuda publications per year

The chart shows the history of publications by Kenji Okuda between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenji Okuda published across 52 years, from 1974 to 2025, averaging 7 papers a year. Output peaked at 21 publications in 1997. 5 of the 365 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 1997. 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 4 publications 1978: 6 publications 1979: 2 publications 1980: 2 publications 1981: 8 publications 1982: 5 publications 1983: 9 publications 1984: 8 publications 1985: 6 publications 1986: 8 publications 1987: 10 publications 1988: 8 publications 1989: 9 publications 1990: 5 publications 1991: 5 publications 1992: 4 publications 1993: 16 publications 1994: 17 publications 1995: 14 publications 1996: 12 publications 1997: 21 publications 1998: 14 publications 1999: 11 publications 2000: 12 publications 2001: 14 publications 2002: 11 publications 2003: 11 publications 2004: 9 publications 2005: 17 publications 2006: 17 publications 2007: 17 publications 2008: 7 publications 2009: 10 publications 2010: 4 publications 2011: 2 publications 2012: 3 publications 2013: 3 publications 2014: 4 publications 2015: 0 publications 2016: 1 publication 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 1 publication 2021: 4 publications 2022: 5 publications 2023: 2 publications 2024: 3 publications 2025: 2 publications
1974 2025

365 publications in total across all disciplines

View publications per year as a table
Kenji Okuda: publications per year, 1974 to 2025
Year Publications
1974 1
1975 1
1976 0
1977 4
1978 6
1979 2
1980 2
1981 8
1982 5
1983 9
1984 8
1985 6
1986 8
1987 10
1988 8
1989 9
1990 5
1991 5
1992 4
1993 16
1994 17
1995 14
1996 12
1997 21
1998 14
1999 11
2000 12
2001 14
2002 11
2003 11
2004 9
2005 17
2006 17
2007 17
2008 7
2009 10
2010 4
2011 2
2012 3
2013 3
2014 4
2015 0
2016 1
2017 0
2018 0
2019 0
2020 1
2021 4
2022 5
2023 2
2024 3
2025 2
Total 365
Download as CSV

Kenji Okuda publication distribution in Immunology in 2026

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

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 322–331 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 322 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97 322
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
Download as CSV

Kenji Okuda D-index placement in Immunology in 2026

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

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 72 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184 72
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
Download as CSV

Overview

Kenji Okuda is affiliated with Yokohama City University in Japan, contributing to fields primarily centered on medicine and biochemistry, genetics, and molecular biology. Their research encompasses multiple specialized subfields including infectious diseases, molecular biology, genetics, epidemiology, and biomedical engineering.

The main research topics explored by Kenji Okuda include SARS-CoV-2 and COVID-19 research, SARS-CoV-2 detection and testing, virus-based gene therapy research, biosensors and analytical detection, RNA interference and gene delivery, viral gastroenteritis research and epidemiology, and studies on animal virus infections.

Kenji Okuda's recent published papers cover a range of subjects in virology and immunology. Selected works include:

  • New vaccine production platforms used in developing SARS-CoV-2 vaccine candidates, 2020, Vaccine
  • A rapid screening assay for L452R and T478K spike mutations in SARS-CoV-2 Delta variant using high-resolution melting analysis, 2021, The Journal of Toxicological Sciences
  • Current Vaccine Platforms in Enhancing T-Cell Response, 2022, Vaccines
  • The human papillomavirus E6 protein targets apoptosis-inducing factor (AIF) for degradation, 2020, Scientific Reports
  • Clinical Application of Adenovirus (AdV): A Comprehensive Review, 2024, Viruses

Frequent collaborators of Kenji Okuda include Masaru Shimada, Nobuhisa Mizuki, Akira Aoki, Hirokazu Adachi, and Yoko Mori, each contributing to multiple joint publications. This network highlights collaborative work predominantly within virology and immunological research.

Kenji Okuda's research outputs are often published in specific scientific journals, particularly Vaccine, Viruses, Vaccines, The Journal of Toxicological Sciences, and Scientific Reports, indicating a focus on infectious disease, immunology, and molecular biology communities.

Best Publications

  • NF-kappa B and Sp1 regulate transcription of the human monocyte chemoattractant protein-1 gene.

    A Ueda;K Okuda;S Ohno;A Shirai

  • The Atg5 Atg12 conjugate associates with innate antiviral immune responses.

    Nao Jounai;Fumihiko Takeshita;Kouji Kobiyama;Asako Sawano

  • Infection with Hepatitis GB Virus C in Patients on Maintenance Hemodialysis

    Kazuo Masuko;Takehiro Mitsui;Keiko Iwano;Chikao Yamazaki

  • Developments in Viral Vector-Based Vaccines.

    Takehiro Ura;Kenji Okuda;Masaru Shimada

  • Intranasal immunization of a DNA vaccine with IL-12- and granulocyte-macrophage colony-stimulating factor (GM-CSF)-expressing plasmids in liposomes induces strong mucosal and cell-mediated immune responses against HIV-1 antigens.

    E. Okada;S. Sasaki;N. Ishii;I. Aoki

  • The Timing of GM-CSF Expression Plasmid Administration Influences the Th1/Th2 Response Induced by an HIV-1-Specific DNA Vaccine

    Ken-ichi Kusakabe;Ke-Qin Xin;Hidenori Katoh;Kaharu Sumino

  • Functional Expression of the CXC-Chemokine Receptor-4/ Fusin on Mouse Microglial Cells and Astrocytes'

    S Tanabe;M Heesen;I Yoshizawa;M A Berman

  • Do DNA Vaccines Induce Autoimmune Disease

    Gil Mor;Manav Singla;Alfred D. Steinberg;Stephen L. Hoffman

  • Induction of Systemic and Mucosal Immune Responses to Human Immunodeficiency Virus Type 1 by a DNA Vaccine Formulated with QS-21 Saponin Adjuvant via Intramuscular and Intranasal Routes

    Shin Sasaki;Kaharu Sumino;Kenji Hamajima;Jun Fukushima

  • Immunogenicity and protective efficacy of orally administered recombinant Lactococcus lactis expressing surface-bound HIV Env.

    Ke-Qin Xin;Yuka Hoshino;Yoshihiko Toda;Shizunobu Igimi

  • Enhancement of cell-mediated immunity against HIV-1 induced by coinnoculation of plasmid-encoded HIV-1 antigen with plasmid expressing IL-12.

    T. Tsuji;K. Hamajima;J. Fukushima;K.-Q. Xin

  • Protective immunity against influenza A virus induced by immunization with DNA plasmid containing influenza M gene.

    Kenji Okuda;Atsushi Ihata;Setsuko Watabe;Eiichi Okada

  • Adjuvant effect of multi-CpG motifs on an HIV-1 DNA vaccine

    Yoshitsugu Kojima;Ke-Qin Xin;Takaaki Ooki;Kenji Hamajima

  • Immunoglobulin G response to subgingival gram-negative bacteria in human subjects.

    Y Naito;K Okuda;I Takazoe

  • Neutralization of HIV-1 by secretory IgA induced by oral immunization with a new macromolecular multicomponent peptide vaccine candidate.

    Hiroki Bukawa;Ken-Ichiro Sekigawa;Kenji Hamajima;Jun Fukushima

  • IL-15 expression plasmid enhances cell-mediated immunity induced by an HIV-1 DNA vaccine.

    Ke-Qin Xin;Kenji Hamajima;Shin Sasaki;Takashi Tsuji

  • HIV-1-specific cell-mediated immune responses induced by DNA vaccination were enhanced by mannan-coated liposomes and inhibited by anti-interferon-gamma antibody.

    S. Toda;N. Ishii;E. Okada;K.-I. Kusakabe

  • Cationic liposomes are a strong adjuvant for a DNA vaccine of human immunodeficiency virus type 1.

    Norihisa Ishii;Jun Fukushima;Tamiko Kaneko;Eiichi Okada

  • Detection of Treponema denticola in Atherosclerotic Lesions

    Katsuji Okuda;Kazuyuki Ishihara;Taneaki Nakagawa;Akihiko Hirayama

  • Distribution of Porphyromonas gingivalis and Treponema denticola in human subgingival plaque at different periodontal pocket depths examined by immunohistochemical methods

    T. Kigure;A. Saito;K. Seida;S. Yamada

Frequent Co-Authors

Norihisa Ishii
Norihisa Ishii National Institutes of Biomedical Innovation, Health and Nutrition
Dennis M. Klinman
Dennis M. Klinman National Institutes of Health
Britta Wahren
Britta Wahren Karolinska Institute
Martin E. Dorf
Martin E. Dorf Harvard University
Hiroaki Mizukami
Hiroaki Mizukami Jichi Medical University
Hiroyuki Mizuguchi
Hiroyuki Mizuguchi Osaka University
Keiya Ozawa
Keiya Ozawa Jichi Medical University
Jorma Hinkula
Jorma Hinkula Linköping University
Naoki Yamamoto
Naoki Yamamoto Kyoto University
Nobuhisa Mizuki
Nobuhisa Mizuki Yokohama City 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

For those interested in Immunology, pursuing related healthcare degrees can open diverse career opportunities. Many students transition into nursing to apply immunological knowledge directly to patient care. Programs like 12-month accelerated nursing programs online for non nurses offer fast-tracked options for individuals without a nursing background, making it easier to enter the field quickly.

If gaining admission is a concern, exploring the easiest accelerated nursing programs to get into can help you start your studies sooner. These programs balance rigorous training with more accessible admission criteria, ideal for non-traditional students.

For those seeking practical nursing roles, considering the best easiest lpn programs to get into can provide a streamlined path to licensure and patient care roles that benefit from immunological insights.

Advanced practice is another option, with easiest online nurse practitioner programs designed for professionals aiming to expand their clinical scope. These programs often feature flexible online formats, catering to working students pursuing specialized careers where immunology plays a critical role.

Best Scientists Citing Kenji Okuda

Trending Scientists

Recently Published Articles