World's Best Scientists 2026 revealed!
Kimiko Ubukata

Kimiko Ubukata

Kimiko Ubukata 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 Kimiko Ubukata 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+

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

Kimiko Ubukata 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 Kimiko Ubukata 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+

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

Overview

Kimiko Ubukata is affiliated with Keio University in Japan. Their research primarily focuses on the field of Medicine, with 37 publications contributing to this area. The main subfields of their work include Epidemiology, Public Health, Environmental and Occupational Health, Microbiology, Infectious Diseases, and Pulmonary and Respiratory Medicine.

Ubukata's research covers a variety of topics related to infectious diseases, particularly respiratory and bacterial infections. Key topics include:

  • Pneumonia and Respiratory Infections
  • Streptococcal Infections and Treatments
  • Bacterial Infections and Vaccines
  • Respiratory viral infections research
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Antimicrobial Resistance in Staphylococcus
  • Neonatal and Maternal Infections

The scientist has contributed to a number of recent papers, illustrating a focus on epidemiologic characteristics, antimicrobial resistance, and pneumococcal diseases in children and adults. Selected recent publications include:

  • Changes in epidemiologic characteristics and antimicrobial resistance of Streptococcus pyogenes isolated over 10 years from Japanese children with pharyngotonsillitis (2020, Journal of Medical Microbiology)
  • Molecular epidemiological characterization in mucoid-type Streptococcus pneumoniae isolates obtained from invasive pneumococcal disease patients in Japan (2020, Journal of Infection and Chemotherapy)

In addition to their own authorship, Ubukata frequently collaborates with other researchers. Notable frequent coauthors include:

  • Misako Takata
  • Satoshi Iwata
  • Miyuki Morozumi
  • Shigeo Hanada
  • Takeaki Wajima

Their work has been published predominantly in the Journal of Infection and Chemotherapy, with a total of 8 publications there. Other significant venues include the European Journal of Clinical Microbiology & Infectious Diseases, Journal of Medical Microbiology, International Journal of Infectious Diseases, and Epidemiology and Infection.

Best Publications

  • Association of Amino Acid Substitutions in Penicillin-Binding Protein 3 with β-Lactam Resistance in β-Lactamase-Negative Ampicillin-Resistant Haemophilus influenzae

    Kimiko Ubukata;Yumi Shibasaki;Kentarou Yamamoto;Naoko Chiba

  • Macrolide-resistant Mycoplasma pneumoniae: characteristics of isolates and clinical aspects of community-acquired pneumonia

    Miyuki Morozumi;Takashi Takahashi;Kimiko Ubukata

  • Increased Macrolide Resistance of Mycoplasma pneumoniae in Pediatric Patients with Community-Acquired Pneumonia

    Miyuki Morozumi;Satoshi Iwata;Keiko Hasegawa;Naoko Chiba

  • Rapid Effectiveness of Minocycline or Doxycycline Against Macrolide-Resistant Mycoplasma pneumoniae Infection in a 2011 Outbreak Among Japanese Children

    Takafumi Okada;Miyuki Morozumi;Takeshi Tajima;Maki Hasegawa;Maki Hasegawa

  • Diversity of ampicillin-resistance genes in Haemophilus influenzae in Japan and the United States.

    Keiko Hasegawa;Kentarou Yamamoto;Naoko Chiba;Reiko Kobayashi

  • Increased macrolide resistance of Mycoplasma pneumoniae in France directly detected in clinical specimens by real-time PCR and melting curve analysis

    O. Peuchant;A. Ménard;H. Renaudin;M. Morozumi

  • Rapidly Increasing Prevalence of β-Lactamase-Nonproducing, Ampicillin-Resistant Haemophilus influenzae Type b in Patients with Meningitis

    Keiko Hasegawa;Naoko Chiba;Reiko Kobayashi;Somay Y. Murayama

  • Evaluation of PCR primers to screen for Streptococcus pneumoniae isolates and β-lactam resistance, and to detect common macrolide resistance determinants

    Kensuke Nagai;Yumi Shibasaki;Keiko Hasegawa;Todd A. Davies

  • Simultaneous Detection of Pathogens in Clinical Samples from Patients with Community-Acquired Pneumonia by Real-Time PCR with Pathogen-Specific Molecular Beacon Probes

    Miyuki Morozumi;Eiichi Nakayama;Eiichi Nakayama;Satoshi Iwata;Yasuko Aoki

  • Comprehensive detection of causative pathogens using real-time PCR to diagnose pediatric community-acquired pneumonia

    Keiko Hamano-Hasegawa;Miyuki Morozumi;Eiichi Nakayama;Naoko Chiba

  • Emergence of Macrolide-Resistant Mycoplasma pneumoniae with a 23S rRNA Gene Mutation

    Miyuki Morozumi;Keiko Hasegawa;Reiko Kobayashi;Nagako Inoue

  • Invasive infection caused by Streptococcus dysgalactiae subsp. equisimilis: characteristics of strains and clinical features

    Takashi Takahashi;Kimiko Ubukata;Haruo Watanabe

  • Complete genome sequencing and analysis of a Lancefield group G Streptococcus dysgalactiae subsp. equisimilis strain causing streptococcal toxic shock syndrome (STSS)

    Yumi Shimomura;Kayo Okumura;Kayo Okumura;Somay Yamagata Murayama;Junji Yagi

  • A comparative clinical study of macrolide-sensitive and macrolide-resistant Mycoplasma pneumoniae infections in pediatric patients

    Keita Matsubara;Miyuki Morozumi;Takafumi Okada;Takahiro Matsushima

  • Clinical aspects of invasive infections with Streptococcus dysgalactiae ssp. equisimilis in Japan: differences with respect to Streptococcus pyogenes and Streptococcus agalactiae infections

    T. Takahashi;K. Sunaoshi;K. Sunakawa;S. Fujishima

  • Antibiotic susceptibility in relation to penicillin-binding protein genes and serotype distribution of Streptococcus pneumoniae strains responsible for meningitis in Japan, 1999 to 2002

    Kimiko Ubukata;Naoko Chiba;Keiko Hasegawa;Reiko Kobayashi

  • Rapid detection of eight causative pathogens for the diagnosis of bacterial meningitis by real-time PCR

    Naoko Chiba;Somay Y. Murayama;Miyuki Morozumi;Eiichi Nakayama

  • Changes in Capsule and Drug Resistance of Pneumococci after Introduction of PCV7, Japan, 2010–2013

    Naoko Chiba;Miyuki Morozumi;Michi Shouji;Takeaki Wajima

  • Effects of Pneumococcal Conjugate Vaccine on Genotypic Penicillin Resistance and Serotype Changes, Japan, 2010–2017

    Kimiko Ubukata;Misako Takata;Miyuki Morozumi;Naoko Chiba

  • Capsular Type and Antibiotic Resistance in Streptococcus agalactiae Isolates from Patients, Ranging from Newborns to the Elderly, with Invasive Infections

    Somay Yamagata Murayama;Chizuko Seki;Hiroshi Sakata;Katsuhiko Sunaoshi

Frequent Co-Authors

Yoshitaka Okamoto
Yoshitaka Okamoto Chiba University
Teruo Kirikae
Teruo Kirikae Juntendo University
Michael R. Jacobs
Michael R. Jacobs University Hospitals of Cleveland
Peter C. Appelbaum
Peter C. Appelbaum Penn State Milton S. Hershey Medical Center
Haruo Watanabe
Haruo Watanabe National Institutes of Health
Howard Faden
Howard Faden University at Buffalo, State University of New York
Cécile Bébéar
Cécile Bébéar University of Bordeaux

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