Norihisa Koyama
Norihisa Koyama publishes mostly in Pulmonary and Respiratory Medicine, Epidemiology and Critical Care and Intensive Care Medicine, on topics such as Congenital Heart Disease Studies, Blood transfusion and management and Trauma, Hemostasis, Coagulopathy, Resuscitation.
- World rank
- #619,346 of 1,633,909 ranked researchers
- Rank in Japan
- #25,800 of 114,622
- Works
- 16
- Citations
- 39
- Citations per work
- 2.4
What does Norihisa Koyama research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Pulmonary and Respiratory Medicine24% of their works
- 2Epidemiology18% of their works
- 3Critical Care and Intensive Care Medicine12% of their works
- 4Infectious Diseases12% of their works
- 5Oncology6% of their works
- 6Management of Technology and Innovation6% of their works
Research topics
Which keywords describe Norihisa Koyama's research?
The keywords of their largest research topics: Cardiac Surgery, Congenital Heart Disease, Healthcare-Associated Infections, Hemorrhage, Pulmonary Valve Replacement, Viral Infections, Anemia and Blood Transfusion.
- Ventilator-associated Pneumonia
- Small-Cell Lung Cancer
- Influenza
- ICU
- Hand Hygiene
- Encephalopathy
- Blood Transfusion
- Viral Infections
- Hemorrhage
- Congenital Heart Disease
- Cardiac Surgery
- Healthcare-Associated Infections
- Pulmonary Valve Replacement
- Anemia
- Coagulopathy
- Genomic Profiles
- Human Metapneumovirus
- Infection Control
- Respiratory Syncytial Virus
- Trauma
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 20 words, with their numbers
- Cardiac Surgery32 topics
- Congenital Heart Disease21 topic
- Healthcare-Associated Infections22 topics
- Hemorrhage22 topics
- Pulmonary Valve Replacement21 topic
- Viral Infections22 topics
- Anemia11 topic
- Blood Transfusion11 topic
- Coagulopathy11 topic
- Encephalopathy11 topic
- Genomic Profiles11 topic
- Hand Hygiene11 topic
- Human Metapneumovirus11 topic
- ICU11 topic
- Infection Control11 topic
- Influenza11 topic
- Respiratory Syncytial Virus11 topic
- Small-Cell Lung Cancer11 topic
- Trauma11 topic
- Ventilator-associated Pneumonia11 topic
Where does Norihisa Koyama work?
Norihisa Koyama's main affiliation in the publication record is Toyohashi Municipal Hospital, Japan.
How many publications and citations does Norihisa Koyama have?
Science Explorer counts 16 works and 39 citations for Norihisa Koyama, ranking #619,346 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.