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Kenji Yamamoto

Kenji Yamamoto

Kyushu University
Japan

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
10147
World Ranking
12180
National Ranking
837

Kenji Yamamoto publication distribution in Biology and Biochemistry in 2026

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

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 261 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Kenji Yamamoto D-index placement in Biology and Biochemistry in 2026

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

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Kenji Yamamoto is affiliated with Kyushu University in Japan and primarily works in the field of medicine. Their research spans multiple subfields including surgery, infectious diseases, internal medicine, cardiology and cardiovascular medicine, and epidemiology.

Yamamoto's main research topics cover a wide range of medical and clinical areas such as venous thromboembolism diagnosis and management, diagnosis and treatment of venous diseases, SARS-CoV-2 and COVID-19 research, heparin-induced thrombocytopenia and thrombosis, COVID-19 clinical research studies, entomological studies and ecology, and wound healing and treatments.

The scientist's recent papers include:

  • Adverse effects of COVID-19 vaccines and measures to prevent them, 2022, Virology Journal
  • Risk of heparinoid use in cosmetics and moisturizers in individuals vaccinated against severe acute respiratory syndrome coronavirus 2, 2021, Thrombosis Journal
  • Risk of propofol use for sedation in COVID-19 patient, 2020, Anaesthesiology Intensive Therapy

Although not the primary author, a relevant paper related to infections was published in 2025 titled "Staphylococcus aureus ST764-SCCmecII high-risk clone in bloodstream infections revealed through national genomic surveillance integrating clinical data" in Nature Communications.

Yamamoto frequently publishes in several venues including:

  • Anaesthesiology Intensive Therapy
  • Phlebology The Journal of Venous Disease
  • Preprints.org
  • Virology Journal
  • Nature Communications

Collaborations play a significant role in Yamamoto's research output. Frequent coauthors include:

  • Senri Miwa
  • Mamoru Hamuro
  • Sakae Enomoto
  • Shuji Setozaki
  • Tomoyuki Yamada

The range of published topics and venues illustrates Yamamoto's involvement in clinical and medical research related to both infectious diseases and cardiovascular conditions, alongside broader epidemiological and surgical issues. This multidisciplinary approach reflects an engagement with pressing healthcare challenges, notably those concerning COVID-19 and venous disease management.

Best Publications

  • Genetic Analyses of Proteolysis, Hemoglobin Binding, and Hemagglutination of Porphyromonas gingivalis CONSTRUCTION OF MUTANTS WITH A COMBINATION OF rgpA, rgpB, kgp, AND hagA

    Yixin Shi;Dinath B. Ratnayake;Kuniaki Okamoto;Naoko Abe

  • Cathepsin D Deficiency Induces Lysosomal Storage with Ceroid Lipofuscin in Mouse CNS Neurons

    Masato Koike;Hiroshi Nakanishi;Paul Saftig;Junji Ezaki

  • Construction and Characterization of Arginine-specific Cysteine Proteinase (Arg-gingipain)-deficient Mutants of Porphyromonas gingivalis EVIDENCE FOR SIGNIFICANT CONTRIBUTION OF Arg-GINGIPAIN TO VIRULENCE

    Koji Nakayama;Tomoko Kadowaki;Kuniaki Okamoto;Kenji Yamamoto

  • Age-Related Changes in Activities and Localizations of Cathepsins D, E, B, and L in the Rat Brain Tissues

    Hiroshi Nakanishi;Kazuyoshi Tominaga;Tutomu Amano;Ichirou Hirotsu

  • Purification and characterization of a novel arginine-specific cysteine proteinase (argingipain) involved in the pathogenesis of periodontal disease from the culture supernatant of Porphyromonas gingivalis.

    T. Kadowaki;M. Yoneda;K. Okamoto;K. Maeda

  • Characterization of New Fluorogenic Substrates for the Rapid and Sensitive Assay of Cathepsin E and Cathepsin D

    Yoshiyuki Yasuda;Takashi Kageyama;Akifumi Akamine;Masahiro Shibata

  • Arg-gingipain acts as a major processing enzyme for various cell surface proteins in Porphyromonas gingivalis.

    Tomoko Kadowaki;Koji Nakayama;Fuminobu Yoshimura;Kuniaki Okamoto

  • Involvement of a lysine-specific cysteine proteinase in hemoglobin adsorption and heme accumulation by Porphyromonas gingivalis

    Kuniaki Okamoto;Koji Nakayama;Tomoko Kadowaki;Naoko Abe

  • Porphyromonas gingivalis Proteinases as Virulence Determinants in Progression of Periodontal Diseases

    Tomoko Kadowaki;Koji Nakayama;Kuniaki Okamoto;Naoko Abe

  • Involvement of arginine-specific cysteine proteinase (Arg-gingipain) in fimbriation of Porphyromonas gingivalis.

    Koji Nakayama;Fuminobu Yoshimura;Tomoko Kadowaki;Kenji Yamamoto

  • Quantitation and immunohistochemical localization of cathepsins E and D in rat tissues and blood cells

    Hideaki Sakai;Takashi Saku;Yuzo Kato;Kenji Yamamoto

  • Involvement of nitric oxide released from microglia-macrophages in pathological changes of cathepsin D-deficient mice.

    Hiroshi Nakanishi;Jian Zhang;Masato Koike;Tsuyoshi Nishioku

  • Affinity Purification and Properties of Cathepsin-E-Like Acid Proteinase from Rat Spleen

    Kenji Yamamoto;Nobuo Katsuda;Keitaro Kato

  • Cloning and sequencing of the gene encoding a novel lysine-specific cysteine proteinase (Lys-gingipain) in Porphyromonas gingivalis: structural relationship with the arginine-specific cysteine proteinase (Arg-gingipain).

    Kuniaki Okamoto;Tomoko Kadowaki;Koji Nakayama;Kenji Yamamoto

  • Purification, gene cloning, gene expression, and mutants of Dps from the obligate anaerobe Porphyromonas gingivalis.

    Junichi Ueshima;Mikio Shoji;Dinath B. Ratnayake;Kihachiro Abe

  • Increased Expression of Cathepsins E and D in Neurons of the Aged Rat Brain and Their Colocalization with Lipofuscin and Carboxy‐Terminal Fragments of Alzheimer Amyloid Precursor Protein

    Hiroshi Nakanishi;Tutomu Amano;Dewi Fatma Suniarti Sastradipura;Yoshito Yoshimine

  • A novel autosomal dominant spinocerebellar ataxia (SCA16) linked to chromosome 8q22.1-24.1

    Y. Miyoshi;Takeshi Yamada;M. Tanimura;T. Taniwaki

  • Cathepsin D of rat spleen. Affinity purification and properties of two types of cathepsin D.

    Kenji Yamamoto;Nobuo Katsuda;Masaru Himeno;Keitaro Kato

  • Structural Characterization of Argingipain, a Novel Arginine-Specific Cysteine Proteinase as a Major Periodontal Pathogenic Factor from Porphyromonas gingivalis

    Kuniaki Okamoto;Yoshio Misumi;Tomoko Kadowaki;Masahiro Yoneda

  • Haemoglobin receptor protein is intragenically encoded by the cysteine proteinase-encoding genes and the haemagglutinin-encoding gene of Porphyromonas gingivalis.

    Koji Nakayama;Dinath B. Ratnayake;Takayuki Tsukuba;Tomoko Kadowaki

Frequent Co-Authors

Hiroshi Nakanishi
Hiroshi Nakanishi Yasuda Women's University
Koji Nakayama
Koji Nakayama Nagasaki University
Keiichi I. Nakayama
Keiichi I. Nakayama Institute of Science Tokyo
Shigenori Watanabe
Shigenori Watanabe Kyushu University
Takeshi Azuma
Takeshi Azuma Kobe University
Yasuo Uchiyama
Yasuo Uchiyama Juntendo University
Eiki Kominami
Eiki Kominami Juntendo University
Paul Saftig
Paul Saftig Kiel University
Yukio Ikehara
Yukio Ikehara Fukuoka University
Christoph Peters
Christoph Peters University of Freiburg

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Best Scientists Citing Kenji Yamamoto

Jan Potempa

Jan Potempa

University of Louisville

Publications: 119

Yasuo Uchiyama

Yasuo Uchiyama

Juntendo University

Publications: 55

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University of Melbourne

Publications: 54

Hiroshi Nakanishi

Hiroshi Nakanishi

Yasuda Women's University

Publications: 50

Atsuo Amano

Atsuo Amano

Osaka University

Publications: 42

Masato Koike

Masato Koike

Juntendo University

Publications: 38

Mikio Shoji

Mikio Shoji

Hirosaki University

Publications: 37

Koji Nakayama

Koji Nakayama

Nagasaki University

Publications: 35

Michael A. Curtis

Michael A. Curtis

King's College London

Publications: 30

James Travis

James Travis

University of Georgia

Publications: 29

Richard J. Lamont

Richard J. Lamont

University of Louisville

Publications: 29

Paul Saftig

Paul Saftig

Kiel University

Publications: 28

Daniel Grenier

Daniel Grenier

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Publications: 24

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Caroline Attardo Genco

Tufts University

Publications: 24

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Ralph A. Nixon

Nathan Kline Institute for Psychiatric Research

Publications: 23

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Yoshimitsu Abiko

Nihon University

Publications: 22

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