{"id":"https://openalex.org/A5081925376","orcid":"https://orcid.org/0000-0001-7415-4908","observed_orcids":["https://orcid.org/0000-0001-7415-4908"],"display_name":"Kansuke Koyama","raw_author_names":["Kansuke Koyama","Koyama Kansuke","Koyama, Kansuke"],"full_name":"Kansuke Koyama","works_count":59,"cited_by_count":803,"summary_stats":{"2yr_mean_citedness":3.0,"h_index":14,"i10_index":16},"ids":{"openalex":"https://openalex.org/A5081925376","orcid":"https://orcid.org/0000-0001-7415-4908","observed_orcids":["https://orcid.org/0000-0001-7415-4908"]},"affiliations":[{"institution":{"id":"https://openalex.org/I146500386","ror":"https://ror.org/010hz0g26","display_name":"Jichi Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I146500386"]},"years":[2026,2025,2024,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010]},{"institution":{"id":"https://openalex.org/I4210153031","ror":"https://ror.org/04at0zw32","display_name":"Jichi Medical University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210153031"]},"years":[2014]}],"last_known_institutions":[{"id":"https://openalex.org/I146500386","ror":"https://ror.org/010hz0g26","display_name":"Jichi Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I146500386"]}],"topics":[{"id":"https://openalex.org/T10218","display_name":"Sepsis Diagnosis and Treatment","count":39,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11116","display_name":"Trauma, Hemostasis, Coagulopathy, Resuscitation","count":15,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","count":14,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10322","display_name":"Respiratory Support and Mechanisms","count":12,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10881","display_name":"Blood Coagulation and Thrombosis Mechanisms","count":10,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","value":0.0003398,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11116","display_name":"Trauma, Hemostasis, Coagulopathy, Resuscitation","value":9.57e-05,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10218","display_name":"Sepsis Diagnosis and Treatment","value":9.34e-05,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12845","display_name":"Methemoglobinemia and Tumor Lysis Syndrome","value":3.47e-05,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T14165","display_name":"Inflammation biomarkers and pathways","value":3.16e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9779378771781921},{"id":"23131810","wikidata":"https://www.wikidata.org/wiki/Q818574","display_name":"Observational study","score":0.8536745309829712},{"id":"2779936836","wikidata":"https://www.wikidata.org/wiki/Q890200","display_name":"Coagulopathy","score":0.8533692359924316},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7164352536201477},{"id":"177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","score":0.6206862926483154}],"counts_by_year":[{"year":2010,"works_count":6,"oa_works_count":6,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2014,"works_count":3,"oa_works_count":3,"cited_by_count":7},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":14},{"year":2017,"works_count":3,"oa_works_count":3,"cited_by_count":25},{"year":2018,"works_count":4,"oa_works_count":3,"cited_by_count":39},{"year":2019,"works_count":9,"oa_works_count":8,"cited_by_count":62},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":105},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":89},{"year":2022,"works_count":16,"oa_works_count":15,"cited_by_count":99},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":107},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":84},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":83},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":77}],"display_name_alternatives":["Kansuke Koyama","Koyama Kansuke","Koyama, Kansuke"],"block_key":"k koyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5081925376","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5081925376","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
