Isamu Koyama

175 papers and 1.7k indexed citations i.

About

Isamu Koyama is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Isamu Koyama has authored 175 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 108 papers in Surgery, 52 papers in Pulmonary and Respiratory Medicine and 39 papers in Oncology. Recurrent topics in Isamu Koyama’s work include Organ Transplantation Techniques and Outcomes (22 papers), Pancreatic and Hepatic Oncology Research (18 papers) and Esophageal and GI Pathology (16 papers). Isamu Koyama is often cited by papers focused on Organ Transplantation Techniques and Outcomes (22 papers), Pancreatic and Hepatic Oncology Research (18 papers) and Esophageal and GI Pathology (16 papers). Isamu Koyama collaborates with scholars based in Japan, United States and Pakistan. Isamu Koyama's co-authors include Mitsuo Miyazawa, Katsuya Okada, Yasuko Toshimitsu, Masayasu Aikawa, Kazushi Takahashi, Toshiyuki Saito, Kojun Okamoto, Shinichi Ban, Yoshikatsu Sakagishi and T. Komoda and has published in prestigious journals such as Gastroenterology, Journal of Applied Physiology and Clinical Chemistry.

In The Last Decade

Co-authorship network of co-authors of Isamu Koyama i

Fields of papers citing papers by Isamu Koyama

Since Specialization
EngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics

This network shows the specialization of papers citing the papers produced by Isamu Koyama. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where Isamu Koyama may publish in the future.

Countries citing papers authored by Isamu Koyama

Since Specialization
Citations

This map shows the geographic impact of Isamu Koyama's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Isamu Koyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Isamu Koyama more than expected).

Rankless by CCL
2025