{"id":"https://openalex.org/A5113812450","orcid":null,"observed_orcids":[],"display_name":"Kazuhito Ichikawa","raw_author_names":["K Ichikawa","K. Ichikawa","KAZUHITO ICHIKAWA","Kazuhito ICHIKAWA","Kazuhito Ichikawa"],"full_name":"KAZUHITO ICHIKAWA","works_count":116,"cited_by_count":3466,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":29,"i10_index":62},"ids":{"openalex":"https://openalex.org/A5113812450","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I109009565","ror":"https://ror.org/01vj3cz23","display_name":"Dokkyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I109009565"]},"years":[2014,2012,2011,2010,2009,2008,2007,2006,2005,2004,2002,2001,1998]},{"institution":{"id":"https://openalex.org/I129634264","ror":"https://ror.org/02hcx7n63","display_name":"Toho University","country_code":"JP","type":"education","lineage":["https://openalex.org/I129634264"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I130830085","ror":"https://ror.org/012eh0r35","display_name":"Fukushima Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I130830085"]},"years":[2015,2014]},{"institution":{"id":"https://openalex.org/I137459256","ror":"https://ror.org/001yc7927","display_name":"Hyogo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I137459256"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I138006243","ror":"https://ror.org/03m2x1q45","display_name":"University of Arizona","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]},"years":[1998,1997,1996,1995,1994]},{"institution":{"id":"https://openalex.org/I178574317","ror":"https://ror.org/01529vy56","display_name":"Mie University","country_code":"JP","type":"education","lineage":["https://openalex.org/I178574317"]},"years":[1999,1998,1997,1996,1995,1994,1993,1992]},{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4210137488","ror":"https://ror.org/03gxkq182","display_name":"Juntendo University Urayasu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137488"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4210139503","ror":"https://ror.org/03pmd4250","display_name":"Shinko Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139503"]},"years":[2020,2019,2018,2017,2015,2014]},{"institution":{"id":"https://openalex.org/I4210151887","ror":"https://ror.org/05h4q5j46","display_name":"Osaka Red Cross Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210151887"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I4405257455","ror":"https://ror.org/059r0wf81","display_name":"Aidu Chuo Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257455"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I78274823","ror":"https://ror.org/05k27ay38","display_name":"Dokkyo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I78274823"]},"years":[2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2002,2001,1998]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10552","display_name":"Colorectal Cancer Screening and Detection","count":30,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10335","display_name":"Colorectal Cancer Surgical Treatments","count":24,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10169","display_name":"Protein Kinase Regulation and GTPase Signaling","count":23,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11369","display_name":"Genetic factors in colorectal cancer","count":22,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic 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/T10696","display_name":"Gastric Cancer Management and Outcomes","count":19,"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"}}],"topic_share":[{"id":"https://openalex.org/T12104","display_name":"Protein Tyrosine Phosphatases","value":0.0001753,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10552","display_name":"Colorectal Cancer Screening and Detection","value":0.0001312,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T11369","display_name":"Genetic factors in colorectal cancer","value":0.0001088,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic 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/T10882","display_name":"Cardiomyopathy and Myosin Studies","value":7.72e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10335","display_name":"Colorectal Cancer Surgical Treatments","value":6.89e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9612249135971069},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8589847087860107},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.8365640640258789},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7029238939285278},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.6813218593597412}],"counts_by_year":[{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":7,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":3,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":2011,"works_count":7,"oa_works_count":4,"cited_by_count":0},{"year":2012,"works_count":8,"oa_works_count":6,"cited_by_count":149},{"year":2013,"works_count":14,"oa_works_count":9,"cited_by_count":173},{"year":2014,"works_count":6,"oa_works_count":3,"cited_by_count":142},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":166},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":125},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":131},{"year":2018,"works_count":4,"oa_works_count":3,"cited_by_count":115},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":116},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":105},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":128},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":91},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":89},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":93},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":83},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":53}],"display_name_alternatives":["K Ichikawa","K. Ichikawa","KAZUHITO ICHIKAWA","Kazuhito ICHIKAWA","Kazuhito Ichikawa"],"block_key":"k ichikawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113812450","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}