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Researcher · Hamamatsu University School of Medicine · Japan

Keiji Maruyama

Keiji Maruyama publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Emergency Medical Services, on topics such as Gastrointestinal disorders and treatments, Biochemical Acid Research Studies and Tryptophan and brain disorders.

OpenAlex
World rank
#596,099
of 1,633,909 ranked researchers
Rank in Japan
#24,374
of 114,622
Works
23
Citations
28
Citations per work
1.2

What does Keiji Maruyama research?

Surgery: 23.1%Pulmonary and Respiratory Medicine: 11.5%Emergency Medical Services: 7.7%Complementary and alternative medicine: 7.7%other fields: 50.0%23%top field
Surgery23.1%Pulmonary and Respiratory Medicine11.5%Emergency Medical Services7.7%Complementary and alternative medicine7.7%other fields50.0%

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

  1. 1Surgery23% of their works
  2. 2Pulmonary and Respiratory Medicine12% of their works
  3. 3Emergency Medical Services8% of their works
  4. 4Complementary and alternative medicine8% of their works
  5. 5Radiology, Nuclear Medicine and Imaging8% of their works
  6. 6Biochemistry4% of their works

Research topics

Which keywords describe Keiji Maruyama's research?

The keywords of their largest research topics: Intussusception, Meckel's Diverticulum, Oxidative Stress, Cardiac Risk, Catheter-Related Infections, Central Venous Catheterization, Child Care and Cytokines.

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. Intussusception21 topic
  2. Meckel's Diverticulum21 topic
  3. Oxidative Stress22 topics
  4. Cardiac Risk11 topic
  5. Catheter-Related Infections11 topic
  6. Central Venous Catheterization11 topic
  7. Child Care11 topic
  8. Cytokines11 topic
  9. Engineering Education11 topic
  10. Infection Control Measures11 topic
  11. Learning Object Repositories11 topic
  12. Lipoic Acid11 topic
  13. Neuroinflammation11 topic
  14. Open Educational Resources11 topic
  15. Perioperative11 topic
  16. Pyruvate Dehydrogenase Complex11 topic
  17. Remote Laboratories11 topic

Where does Keiji Maruyama work?

Keiji Maruyama's main affiliation in the publication record is Hamamatsu University School of Medicine, Japan.

How many publications and citations does Keiji Maruyama have?

Science Explorer counts 23 works and 28 citations for Keiji Maruyama, ranking #596,099 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.