World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
72
Citations
16367
World Ranking
2240
National Ranking
86

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.

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: 68 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 scientists 807+ publications: 100 scientists
62 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.

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.

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: 162 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 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.

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

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Related Online Degrees & Career Pathways

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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.

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