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Researcher · Seirei Mikatabara General Hospital · Japan

Hiroshi Niwa

Hiroshi Niwa publishes mostly in Pulmonary and Respiratory Medicine, Surgery and Oncology, on topics such as Lung Cancer Diagnosis and Treatment, Tracheal and airway disorders and Myasthenia Gravis and Thymoma.

OpenAlex
World rank
#693,623
of 1,633,909 ranked researchers
Rank in Japan
#30,624
of 114,622
Works
70
Citations
64
Citations per work
0.9

What does Hiroshi Niwa research?

Pulmonary and Respiratory Medicine: 25.3%Surgery: 10.1%Oncology: 5.1%Cardiology and Cardiovascular Medicine: 3.8%other fields: 55.7%25%top field
Pulmonary and Respiratory Medicine25.3%Surgery10.1%Oncology5.1%Cardiology and Cardiovascular Medicine3.8%other fields55.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Pulmonary and Respiratory Medicine25% of their works
  2. 2Surgery10% of their works
  3. 3Oncology5% of their works
  4. 4Cardiology and Cardiovascular Medicine4% of their works
  5. 5Nature and Landscape Conservation4% of their works
  6. 6Neurology4% of their works

Research topics

Which keywords describe Hiroshi Niwa's research?

The keywords of their largest research topics: Airway Stenosis, Conservation, CT Screening, Lung Cancer, Tracheostomy, Cancer of Unknown Primary, EGFR Mutations and Empyema.

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.

All 17 words, with their numbers
  1. Airway Stenosis41 topic
  2. CT Screening41 topic
  3. Conservation42 topics
  4. Lung Cancer41 topic
  5. Tracheostomy41 topic
  6. Cancer of Unknown Primary31 topic
  7. EGFR Mutations31 topic
  8. Empyema31 topic
  9. Metastasis31 topic
  10. Myasthenia Gravis31 topic
  11. Pleural Effusion31 topic
  12. Targeted Therapy31 topic
  13. Thymic Tumors31 topic
  14. Fish21 topic
  15. Length-Weight Relationships21 topic
  16. Rays21 topic
  17. Sharks21 topic

Where does Hiroshi Niwa work?

Hiroshi Niwa's main affiliation in the publication record is Seirei Mikatabara General Hospital, Japan.

How many publications and citations does Hiroshi Niwa have?

Science Explorer counts 70 works and 64 citations for Hiroshi Niwa, ranking #693,623 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised 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 are in the interactive view on the map. Is this your page? Request a correction or removal.