World's Best Scientists 2026 revealed!
Keizo Yamaguchi

Keizo Yamaguchi

D-Index & Metrics

Microbiology

D-Index
63
Citations
12681
World Ranking
2769
National Ranking
104

Keizo Yamaguchi publication distribution in Microbiology in 2026

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

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 353 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Keizo Yamaguchi D-index placement in Microbiology in 2026

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

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 63 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Keizo Yamaguchi is affiliated with Kurume University in Japan and primarily works within the field of Medicine, focusing on Oncology, Surgery, and Pulmonary and Respiratory Medicine.

The scientist's recent scholarly contributions include the paper titled A Case of Immediate Anastomotic Leakage After Low Anterior Resection for Rectal Cancer, published in 2021 in The Kurume Medical Journal.

Yamaguchi's research centers on specialized topics within colorectal and gastric cancers. These topics include:

  • Colorectal Cancer Surgical Treatments
  • Colorectal and Anal Carcinomas
  • Gastric Cancer Management and Outcomes

Frequent coauthors involved in their research collaborations are:

  • Fumihiko Fujita
  • Kenichi Yasushi
  • Takafumi Ohchi
  • Tomoaki Mizobe
  • Suguru Ogata

Publications are predominantly found in The Kurume Medical Journal, underscoring this venue as a consistent platform for disseminating their work.

Best Publications

  • Azithromycin Inhibits Quorum Sensing in Pseudomonas aeruginosa

    Kazuhiro Tateda;Rachel Comte;Jean-Claude Pechere;Thilo Köhler

  • The Pseudomonas aeruginosa autoinducer N-3-oxododecanoyl homoserine lactone accelerates apoptosis in macrophages and neutrophils.

    Kazuhiro Tateda;Yoshikazu Ishii;Manabu Horikawa;Tetsuya Matsumoto

  • Early Recruitment of Neutrophils Determines Subsequent T1/T2 Host Responses in a Murine Model of Legionella pneumophila Pneumonia

    Kazuhiro Tateda;Thomas A. Moore;Jane C. Deng;Michael W. Newstead

  • Lipopolysaccharide-induced lethality and cytokine production in aged mice.

    K Tateda;T Matsumoto;S Miyazaki;K Yamaguchi

  • Efficacy of Bacteriophage Therapy against Gut-Derived Sepsis Caused by Pseudomonas aeruginosa in Mice

    Ryohei Watanabe;Tetsuya Matsumoto;Go Sano;Yoshikazu Ishii

  • Role of tumor necrosis factor alpha in pathogenesis of pneumococcal pneumonia in mice.

    K Takashima;K Tateda;T Matsumoto;Y Iizawa

  • Chemokine-Dependent Neutrophil Recruitment in a Murine Model of Legionella Pneumonia: Potential Role of Neutrophils as Immunoregulatory Cells

    Kazuhiro Tateda;Thomas A. Moore;Michael W. Newstead;Wan C. Tsai

  • Stability of Novel Siderophore Cephalosporin S-649266 against Clinically Relevant Carbapenemases

    Tsukasa Ito-Horiyama;Yoshikazu Ishii;Akinobu Ito;Takafumi Sato

  • Cd1d-dependent regulation of bacterial colonization in the intestine of mice

    Edward E.S. Nieuwenhuis;Tetsuya Matsumoto;Tetsuya Matsumoto;Dicky Lindenbergh;Rob Willemsen

  • Penetration of macrolides into human polymorphonuclear leucocytes

    Miyako Ishiguro;Hironobu Koga;Shigeru Kohno;Toshiaki Hayashi

  • Factors influencing survival of Legionella pneumophila serotype 1 in hot spring water and tap water.

    Akira Ohno;Naoyuki Kato;Koji Yamada;Keizo Yamaguchi

  • Cloning and Sequencing of the Gene Encoding Toho-2, a Class A β-Lactamase Preferentially Inhibited by Tazobactam

    Ling Ma;Yoshikazu Ishii;Masaji Ishiguro;Hiroshi Matsuzawa

  • In Vitro and In Vivo Antibacterial Activities of S-4661, a New Carbapenem

    Masakatsu Tsuji;Yoshikazu Ishii;Akira Ohno;Shuichi Miyazaki

  • Efficacy of colistin combination therapy in a mouse model of pneumonia caused by multidrug-resistant Pseudomonas aeruginosa

    Nobumasa Aoki;Nobumasa Aoki;Kazuhiro Tateda;Yoshiaki Kikuchi;Soichiro Kimura

  • History of antimicrobial agents and resistant bacteria.

    T. Saga;K. Yamaguchi

  • Direct evidence for antipseudomonal activity of macrolides: exposure-dependent bactericidal activity and inhibition of protein synthesis by erythromycin, clarithromycin, and azithromycin.

    K Tateda;Y Ishii;T Matsumoto;N Furuya

  • Immunization with 3-oxododecanoyl-l-homoserine lactone–protein conjugate protects mice from lethal Pseudomonas aeruginosa lung infection

    Shinichi Miyairi;Kazuhiro Tateda;Etsu T. Fuse;Chihiro Ueda

  • Prospective multicenter study of the causative organisms of community-acquired pneumonia in adults in Japan

    Atsushi Saito;Shigeru Kohno;Toshiharu Matsushima;Akira Watanabe

  • Hyperoxia Mediates Acute Lung Injury and Increased Lethality in Murine Legionella Pneumonia: The Role of Apoptosis

    Kazuhiro Tateda;Kazuhiro Tateda;Jane C. Deng;Thomas A. Moore;Michael W. Newstead

  • Extended-spectrum beta-lactamases: implications for the clinical laboratory and therapy.

    Sohei Harada;Sohei Harada;Yoshikazu Ishii;Keizo Yamaguchi

  • Multicenter Study To Evaluate Bloodstream Infection by Helicobacter cinaedi in Japan

    Tetsuya Matsumoto;Mieko Goto;Hinako Murakami;Takashi Tanaka

  • Comparative in vitro exoenzyme-suppressing activities of azithromycin and other macrolide antibiotics against Pseudomonas aeruginosa.

    R Mizukane;Y Hirakata;M Kaku;Y Ishii

Frequent Co-Authors

Tetsuya Matsumoto
Tetsuya Matsumoto International University of Health and Welfare
Kazuhiro Tateda
Kazuhiro Tateda Toho University
Shigeru Kohno
Shigeru Kohno Nagasaki University
Masayuki Ando
Masayuki Ando Kumamoto University
Theodore J. Standiford
Theodore J. Standiford University of Michigan–Ann Arbor
Yoichiro Iwakura
Yoichiro Iwakura Tokyo University of Science
Hiroshi Mukae
Hiroshi Mukae Nagasaki University
Shimeru Kamihira
Shimeru Kamihira Nagasaki University
Shoji Kudoh
Shoji Kudoh Nippon Medical School
Shuichi Miyazaki
Shuichi Miyazaki University of Tsukuba

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