World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
63
Citations
12611
World Ranking
2770
National Ranking
105

Akio Niimi 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 Akio Niimi 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: 309 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Akio Niimi 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 Akio Niimi 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

Akio Niimi is affiliated with Nagoya City University in Japan and has contributed extensively to the field of Medicine, with a specialized focus on Pulmonary and Respiratory Medicine. Their research activity encompasses a broad suite of topics related to respiratory health, encompassing Asthma and respiratory diseases, Respiratory and cough-related research, Pediatric health and respiratory diseases, Interstitial lung diseases including Idiopathic pulmonary fibrosis, Chronic obstructive pulmonary disease (COPD) research, as well as Lung cancer treatments and mutations.

Their recent scholarly output includes research articles published between 2020 and 2023. Notable papers include:

  • "The Japanese respiratory society guidelines for the management of cough and sputum (digest edition)" (2021, Respiratory Investigation)
  • "Increased Capsaicin Sensitivity in Patients with Severe Asthma Is Associated with Worse Clinical Outcome" (2020, American Journal of Respiratory and Critical Care Medicine)
  • "Early decrease in erector spinae muscle area and future risk of mortality in idiopathic pulmonary fibrosis" (2020, Scientific Reports)
  • "Executive summary: Japanese guidelines for adult asthma (JGL) 2021" (2023, Allergology International)
  • "Natural Language Processing" (2021, CHEST Journal)

Akio Niimi collaborates frequently with a group of co-authors in related respiratory and medical research. These include:

  • Yoshihiro Kanemitsu
  • Tomoko Tajiri
  • Kensuke Fukumitsu
  • Hirotsugu Ohkubo
  • Yutaka Ito

Their work has appeared most commonly in certain publication venues associated with respiratory and allergy medicine, particularly:

  • Respiratory Investigation
  • Allergology International
  • Internal Medicine
  • ERJ Open Research
  • Annals of Allergy Asthma & Immunology

Within Medicine, Akio Niimi's research contribution amounts to over 260 publications, with particular emphasis on subfields such as Pulmonary and Respiratory Medicine, Physiology, Oncology, Emergency Medical Services, and Surgery. This range indicates a multidisciplinary approach to respiratory health research and closely related fields.

Best Publications

  • Increased Expression of Transient Receptor Potential Vanilloid-1 in Airway Nerves of Chronic Cough

    David A Groneberg;Akio Niimi;Q Thai Dinh;Borja Cosio

  • Genome-wide association study identifies three new susceptibility loci for adult asthma in the Japanese population

    Tomomitsu Hirota;Atsushi Takahashi;Michiaki Kubo;Tatsuhiko Tsunoda

  • Relationship of airway wall thickness to airway sensitivity and airway reactivity in asthma

    Akio Niimi;Hisako Matsumoto;Masaya Takemura;Tetsuya Ueda

  • CT Scan Findings of Emphysema Predict Mortality in COPD

    Akane Haruna;Shigeo Muro;Yasutaka Nakano;Tadashi Ohara

  • Eosinophilic inflammation in cough variant asthma

    A Niimi;R Amitani;K Suzuki;E Tanaka

  • High sensitivity C-reactive protein in asthma

    M Takemura;H Matsumoto;A Niimi;T Ueda

  • Quantitative assessment of airway remodeling using high-resolution CT.

    Yasutaka Nakano;Nestor L. Müller;Gregory G. King;Akio Niimi

  • Increased periostin associates with greater airflow limitation in patients receiving inhaled corticosteroids.

    Yoshihiro Kanemitsu;Hisako Matsumoto;Kenji Izuhara;Yuji Tohda

  • Effect of Clarithromycin Regimen for Mycobacterium avium Complex Pulmonary Disease

    Eisaku Tanaka;Terumi Kimoto;Kazunari Tsuyuguchi;Isao Watanabe

  • Yield of computed tomography and bronchoscopy for the diagnosis of Mycobacterium avium complex pulmonary disease.

    E Tanaka;R Amitani;A Niimi;K Suzuki

  • Impact of gastro-oesophageal reflux disease symptoms on COPD exacerbation

    Kunihiko Terada;Shigeo Muro;Susumu Sato;Tadashi Ohara

  • Eosinophilic bronchitis: clinical manifestations and implications for treatment

    P G Gibson;M Fujimura;A Niimi

  • Relationship Between Pulmonary Emphysema and Osteoporosis Assessed by CT in Patients With COPD

    Tadashi Ohara;Toyohiro Hirai;Shigeo Muro;Akane Haruna

  • Role of small airways in asthma: Investigation using high-resolution computed tomography

    Tetsuya Ueda;Akio Niimi;Hisako Matsumoto;Masaya Takemura

  • The Japanese Respiratory Society guidelines for management of cough.

    Shigeru Kohno;Tadashi Ishida;Yoshyuki Uchida

  • Nature of airway inflammation and remodeling in chronic cough.

    Akio Niimi;Alfonso Torrego;Andrew G. Nicholson;Borja G. Cosio

  • Body mass index in male patients with COPD: correlation with low attenuation areas on CT

    Emiko Ogawa;Yasutaka Nakano;Tadashi Ohara;Shigeo Muro

  • Relationship between small airway function and health status, dyspnea and disease control in asthma.

    Tomoshi Takeda;Toru Oga;Akio Niimi;Hisako Matsumoto

  • Effect of inhaled corticosteroids on small airways in asthma: investigation using impulse oscillometry.

    Masafumi Yamaguchi;Akio Niimi;Tetsuya Ueda;Masaya Takemura

  • Asthma in the elderly: what we know and what we have yet to know.

    Anahí Yáñez;Sang-Hoen Cho;Joan B Soriano;Lanny J Rosenwasser

  • Effects of obstructive sleep apnea syndrome on serum aminotransferase levels in obese patients.

    Kazuo Chin;Takaya Nakamura;Kenichi Takahashi;Kensuke Sumi

  • Abnormal swallowing reflex and COPD exacerbations.

    Kunihiko Terada;Shigeo Muro;Tadashi Ohara;Megumi Kudo

  • Airway remodelling in cough-variant asthma.

    Akio Niimi;Hisako Matsumoto;Masayoshi Minakuchi;Masanori Kitaichi

Frequent Co-Authors

Michiaki Mishima
Michiaki Mishima Kyoto University
Kenji Izuhara
Kenji Izuhara Saga Group
Ryuzo Ueda
Ryuzo Ueda Nagoya University
Shunichi Fukuhara
Shunichi Fukuhara Kyoto University
Ken Ohta
Ken Ohta Teikyo University
Mitsuru Adachi
Mitsuru Adachi Showa University
Fumihiko Matsuda
Fumihiko Matsuda Kyoto University
Kazuo Akiyama
Kazuo Akiyama University of Tokyo
Stephen P. Peters
Stephen P. Peters Wake Forest University
Kian Fan Chung
Kian Fan Chung Imperial College London

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