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Researcher · Nihon Nohyaku (Japan) · Japan

Hiroyasu Koga

Hiroyasu Koga publishes mostly in Epidemiology, Pulmonary and Respiratory Medicine and Infectious Diseases, on topics such as Nail Diseases and Treatments, Plant Pathogens and Fungal Diseases and Antifungal resistance and susceptibility.

ORCID 0009-0005-4880-4467 OpenAlex
World rank
#5,186,594
of 7,710,434 ranked researchers
Rank in Japan
#167,858
of 383,136
Works
38
Citations
656
Citations per work
17.3
h-index
12
i10-index 14Top 47% in Epidemiology
Hiroyasu Koga

What does Hiroyasu Koga research?

Hiroyasu Koga's work is mostly in Medicine (53%), Biochemistry, Genetics and Molecular Biology (11%).

Health Sciences: 20 works · 53.3% of their workMedicine: 20 works · 53.3% of their workEpidemiology: 9 works · 23.9% of their workPulmonary and Respiratory Medicine: 5 works · 11.9% of their workInfectious Diseases: 3 works · 9.2% of their workSurgery: 3 works · 8.3% of their workEverything else: 14 works · 35.7% of their workLife Sciences: 4 works · 11.0% of their workBiochemistry, Genetics and Molecular Biology: 4 works · 11.0% of their workCell Biology: 2 works · 6.4% of their workMolecular Biology: 2 works · 4.6% of their workTHEIR WORKHiroyasu Koga38works
Life Sciences11%Health Sciences53%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine2053.3%
  2. Everything else1435.7%
    1. Biochemistry, Genetics and Molecular Biology411.0%
  1. 1Epidemiology24% of their works
  2. 2Pulmonary and Respiratory Medicine12% of their works
  3. 3Infectious Diseases9% of their works
  4. 4Surgery8% of their works
  5. 5Cell Biology6% of their works
  6. 6Molecular Biology5% of their works

Research topics

Which keywords describe Hiroyasu Koga's research?

The keywords of their largest research topics: Antifungal Therapy, Epidemiology, Dermatophytes, Onychomycosis, Fungal Pathogens, Candidiasis, Endophytic Fungi and Invasive Fungal Infections.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 20 words, with their numbers
  1. Antifungal Therapy283 topics
  2. Epidemiology222 topics
  3. Dermatophytes151 topic
  4. Onychomycosis151 topic
  5. Fungal Pathogens132 topics
  6. Candidiasis71 topic
  7. Endophytic Fungi71 topic
  8. Invasive Fungal Infections71 topic
  9. Phylogenetic Analysis71 topic
  10. Chemotherapy62 topics
  11. Cryptococcal Disease61 topic
  12. Histoplasmosis61 topic
  13. Regeneration51 topic
  14. Wound Healing51 topic
  15. Antioxidant Activity31 topic
  16. CT Screening31 topic
  17. Genomic Profiles31 topic
  18. Lung Cancer31 topic
  19. Medicinal Mushrooms31 topic
  20. Small-Cell Lung Cancer31 topic

Where does Hiroyasu Koga work?

Hiroyasu Koga's main affiliation in the publication record is Nihon Nohyaku (Japan), Japan.

How many publications and citations does Hiroyasu Koga have?

OpenAlex counts 38 works and 656 citations for Hiroyasu Koga, an h-index of 12, ranking #5,186,594 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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