World's Best Scientists 2026 revealed!
Michiaki Koga

Michiaki Koga

D-Index & Metrics

Microbiology

D-Index
51
Citations
10246
World Ranking
4311
National Ranking
179

Michiaki Koga 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 Michiaki Koga 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: 171 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Michiaki Koga 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 Michiaki Koga 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: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Michiaki Koga is affiliated with Yamaguchi University in Japan and has published extensively in the field of Medicine, with a focus on Neurology. Their research spans multiple subfields including Cellular and Molecular Neuroscience, Physiology, Epidemiology, and Pulmonary and Respiratory Medicine.

Their primary research topics include:

  • Peripheral Neuropathies and Disorders
  • Hereditary Neurological Disorders
  • Sarcoidosis and Beryllium Toxicity Research
  • Inflammatory Myopathies and Dermatomyositis
  • Vasculitis and related conditions
  • Myasthenia Gravis and Thymoma
  • Nerve injury and regeneration

Michiaki Koga has contributed to various scholarly articles over recent years. Notable papers include:

  • "Efficacy and Safety of Rituximab in Refractory CIDP With or Without IgG4 Autoantibodies (RECIPE): Protocol for a Double-Blind, Randomized, Placebo-Controlled Clinical Trial", 2020, published in JMIR Research Protocols
  • "Jo-1 Antibodies From Myositis Induce Complement-Dependent Cytotoxicity and TREM-1 Upregulation in Muscle Endothelial Cells", 2023, Neurology Neuroimmunology & Neuroinflammation
  • "Exploring lipophilic compounds that induce BDNF secretion in astrocytes beyond the BBB using a new multi-cultured human in vitro BBB model", 2021, Journal of Neuroimmunology
  • "Sensory Ataxic Guillain-Barré Syndrome with Dysgeusia after mRNA COVID-19 Vaccination", 2022, Internal Medicine
  • "Autocrine TNF-α Increases Penetration of Myelin-Associated Glycoprotein Antibodies Across the Blood-Nerve Barrier in Anti-MAG Neuropathy", 2023, Neurology Neuroimmunology & Neuroinflammation

Frequent co-authors collaborating with Michiaki Koga include:

  • Fumitaka Shimizu
  • Takashi Kanda
  • Yukio Takeshita
  • Toshihiko Maeda

Regarding publication venues, Michiaki Koga often publishes in:

  • PubMed
  • Rinsho Shinkeigaku
  • Clinical and Experimental Neuroimmunology
  • Neurology Neuroimmunology & Neuroinflammation
  • Internal Medicine

Best Publications

  • Safety and efficacy of eculizumab in anti-acetylcholine receptor antibody-positive refractory generalised myasthenia gravis (REGAIN): a phase 3, randomised, double-blind, placebo-controlled, multicentre study

    James F Howard;Kimiaki Utsugisawa;Michael Benatar;Hiroyuki Murai

  • Carbohydrate mimicry between human ganglioside GM1 and Campylobacter jejuni lipooligosaccharide causes Guillain-Barre syndrome.

    Nobuhiro Yuki;Keiichiro Susuki;Michiaki Koga;Yukihiro Nishimoto

  • Bickerstaff's brainstem encephalitis: clinical features of 62 cases and a subgroup associated with Guillain-Barré syndrome.

    Masaaki Odaka;Nobuhiro Yuki;Mitsunori Yamada;Michiaki Koga

  • Anti-gp210 and anti-centromere antibodies are different risk factors for the progression of primary biliary cirrhosis

    Minoru Nakamura;Hisayoshi Kondo;Tsuyoshi Mori;Atsumasa Komori

  • Axonal Guillain‐Barré syndrome: Relation to anti‐ganglioside antibodies and Campylobacter jejuni infection in Japan

    Kazue Ogawara;Satoshi Kuwabara;Masahiro Mori;Takamichi Hattori

  • Bickerstaff's brainstem encephalitis and Fisher syndrome form a continuous spectrum: clinical analysis of 581 cases.

    Masafumi Ito;Satoshi Kuwabara;Masaaki Odaka;Sonoko Misawa

  • Animal model of axonal Guillain-Barré syndrome induced by sensitization with GM1 ganglioside.

    Nobuhiro Yuki;Mitsunori Yamada;Michiaki Koga;Masaaki Odaka

  • IgG Anti‐GM1 antibody is associated with reversible conduction failure and axonal degeneration in guillain‐barré syndrome

    Satoshi Kuwabara;Nobuhiro Yuki;Michiaki Koga;Takamichi Hattori

  • Genome-wide association study identifies TNFSF15 and POU2AF1 as susceptibility loci for primary biliary cirrhosis in the Japanese population.

    Minoru Nakamura;Nao Nishida;Minae Kawashima;Yoshihiro Aiba

  • Antecedent infections in Fisher syndrome A common pathogenesis of molecular mimicry

    M. Koga;M. Gilbert;J. Li;S. Koike

  • Continuous Spectrum of Pharyngeal-Cervical-Brachial Variant of Guillain-Barré Syndrome

    Takahide Nagashima;Michiaki Koga;Masaaki Odaka;Koichi Hirata

  • Epidemiology of Campylobacter jejuni Isolated from Patients with Guillain-Barré and Fisher Syndromes in Japan

    Masaki Takahashi;Michiaki Koga;Keiko Yokoyama;Nobuhiro Yuki

  • Antibody titer to gp210-C terminal peptide as a clinical parameter for monitoring primary biliary cirrhosis

    Minoru Nakamura;Yuki Shimizu-Yoshida;Yasushi Takii;Atsumasa Komori

  • Comprehensive Analysis of Bacterial Risk Factors for the Development of Guillain-Barré Syndrome after Campylobacter jejuni Enteritis

    Michiaki Koga;Michel Gilbert;Masaki Takahashi;Jianjun Li

  • Clinical features and response to treatment in Guillain-Barré syndrome associated with antibodies to GM1b ganglioside.

    Nobuhiro Yuki;C. Wim Ang;Michiaki Koga;Bart C. Jacobs

  • Patterns and serial changes in electrodiagnostic abnormalities of axonal Guillain–Barré syndrome

    A. Hiraga;S. Kuwabara;K. Ogawara;S. Misawa

  • Campylobacter gene polymorphism as a determinant of clinical features of Guillain-Barre syndrome

    M. Koga;M. Takahashi;M. Masuda;K. Hirata

  • Hyperreflexia in Guillain-Barré syndrome: relation with acute motor axonal neuropathy and anti-GM1 antibody

    Satoshi Kuwabara;Kazue Ogawara;Michiaki Koga;Masahiro Mori

  • Close association of IgA anti-ganglioside antibodies with antecedent Campylobacter jejuni infection in Guillain–Barré and Fisher's syndromes

    Michiaki Koga;Michiaki Koga;Nobuhiro Yuki;Masaki Takahashi;Kahiko Saito

  • Anti-GT1a IgG in Guillain-Barré syndrome

    M Koga;H Yoshino;M Morimatsu;N Yuki

Frequent Co-Authors

Nobuhiro Yuki
Nobuhiro Yuki National University of Singapore
Satoshi Kuwabara
Satoshi Kuwabara Chiba University
Koichi Hirata
Koichi Hirata Sapporo Medical University
Takamichi Hattori
Takamichi Hattori Chiba University
Michel Gilbert
Michel Gilbert National Academies of Sciences, Engineering, and Medicine
Jianjun Li
Jianjun Li Chinese Academy of Sciences
Bart C. Jacobs
Bart C. Jacobs Erasmus University Rotterdam
Shigeru Kohno
Shigeru Kohno Nagasaki University
Susumu Kusunoki
Susumu Kusunoki Kindai University
Hubert P. Endtz
Hubert P. Endtz Erasmus University Rotterdam

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