{"id":"https://openalex.org/A5115621644","orcid":"https://orcid.org/0009-0004-9387-116X","observed_orcids":["https://orcid.org/0009-0004-9387-116X"],"display_name":"Joni Kilpij\u00e4rvi","raw_author_names":["Joni Kilpij\u00e4rvi"],"full_name":"Kilpij\u00e4rvi, Joni","works_count":4,"cited_by_count":30,"summary_stats":{"2yr_mean_citedness":7.5,"h_index":2,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5115621644","orcid":"https://orcid.org/0009-0004-9387-116X","observed_orcids":["https://orcid.org/0009-0004-9387-116X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210135473","ror":"https://ror.org/03xptpz88","display_name":"Polar (Finland)","country_code":"FI","type":"company","lineage":["https://openalex.org/I4210135473"]},"years":[2026,2024]}],"last_known_institutions":[{"id":"https://openalex.org/I4210135473","ror":"https://ror.org/03xptpz88","display_name":"Polar (Finland)","country_code":"FI","type":"company","lineage":["https://openalex.org/I4210135473"]}],"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","count":3,"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/T11778","display_name":"Electrical and Bioimpedance Tomography","count":2,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T12279","display_name":"Body Composition Measurement Techniques","count":2,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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/T10131","display_name":"Gold and Silver Nanoparticles Synthesis and Applications","count":1,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10212","display_name":"Electrochemical sensors and biosensors","count":1,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","value":2.47e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T12279","display_name":"Body Composition Measurement Techniques","value":1.63e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","value":1.28e-05,"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/T10338","display_name":"Advanced Sensor and Energy Harvesting Materials","value":6.3e-06,"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","value":4.9e-06,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","score":0.8069999814033508},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6834999918937683},{"id":"54290928","wikidata":"https://www.wikidata.org/wiki/Q4845080","display_name":"Wearable technology","score":0.5724999904632568},{"id":"136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","score":0.47780001163482666},{"id":"40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","score":0.4343999922275543}],"counts_by_year":[{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":28}],"display_name_alternatives":["Joni Kilpij\u00e4rvi"],"block_key":"j kilpijarvi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5115621644","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5115621644","updated_date":"2026-11-12T13:17:38","created_date":"2024-12-24T00:00:00"}