{"id":"https://openalex.org/A5000386296","orcid":null,"observed_orcids":[],"display_name":"Takeji Kojima","raw_author_names":["T. Kojima","TAKEJI KOJIMA","Takeji Kojima"],"full_name":"Kojima, Takeji","works_count":24,"cited_by_count":511,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5000386296","orcid":null,"observed_orcids":[]},"affiliations":[{"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":[2016,2015,2014,2012,2011,2009,2008,2007,2005,1991,1982]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T12677","display_name":"Sports Dynamics and Biomechanics","count":20,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","count":11,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports 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/T13752","display_name":"Mechanics and Biomechanics Studies","count":11,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","count":6,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13224","display_name":"Sports and Physical Education Research","count":5,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13752","display_name":"Mechanics and Biomechanics Studies","value":0.0002056,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12677","display_name":"Sports Dynamics and Biomechanics","value":0.0001615,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13224","display_name":"Sports and Physical Education Research","value":2.98e-05,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13730","display_name":"Martial Arts: Techniques, Psychology, and Education","value":2.63e-05,"subfield":{"id":"https://openalex.org/subfields/3311","display_name":"Safety Research"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12051","display_name":"Diversity and Impact of Dance","value":2.6e-05,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6064401865005493},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5989999771118164},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.450560063123703},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.4267183840274811},{"id":"74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","score":0.3885999917984009}],"counts_by_year":[{"year":1982,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":7},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":12},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":15},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":25},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":49},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":43},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":35}],"display_name_alternatives":["T. Kojima","TAKEJI KOJIMA","Takeji Kojima"],"block_key":"t kojima","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000386296","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}