{"id":"https://openalex.org/A5077908605","orcid":"https://orcid.org/0000-0002-1169-6985","observed_orcids":["https://orcid.org/0000-0002-1169-6985"],"display_name":"Itsuki Takagi","raw_author_names":["Itsuki Takagi","Takagi, Itsuki"],"full_name":"Takagi, Itsuki","works_count":25,"cited_by_count":53,"summary_stats":{"2yr_mean_citedness":1.25,"h_index":5,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5077908605","orcid":"https://orcid.org/0000-0002-1169-6985","observed_orcids":["https://orcid.org/0000-0002-1169-6985"]},"affiliations":[{"institution":{"id":"https://openalex.org/I114531698","ror":"https://ror.org/0112mx960","display_name":"Tokyo Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]},"years":[2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I2252096349","ror":"https://ror.org/038e2g226","display_name":"Fujitsu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2252096349"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4400009020","ror":"https://ror.org/05dqf9946","display_name":"Institute of Science Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I4400009020"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4405286842","ror":"https://ror.org/038jk9m46","display_name":"Institute of Integrated Research, Institute of Science Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286842"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4405286850","ror":"https://ror.org/03a7aaw75","display_name":"Materials & Structures Laboratory","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286850"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I98940699","ror":"https://ror.org/04ajrmg05","display_name":"Chukyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I98940699"]},"years":[2020]}],"last_known_institutions":[{"id":"https://openalex.org/I2252096349","ror":"https://ror.org/038e2g226","display_name":"Fujitsu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2252096349"]},{"id":"https://openalex.org/I4405286842","ror":"https://ror.org/038jk9m46","display_name":"Institute of Integrated Research, Institute of Science Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286842"]},{"id":"https://openalex.org/I4405286850","ror":"https://ror.org/03a7aaw75","display_name":"Materials & Structures Laboratory","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286850"]}],"topics":[{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","count":18,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":11,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10382","display_name":"Quantum and electron transport phenomena","count":6,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10752","display_name":"Terahertz technology and applications","count":5,"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/T10478","display_name":"Diamond and Carbon-based Materials Research","count":4,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","value":5.3e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10752","display_name":"Terahertz technology and applications","value":4.19e-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/T11449","display_name":"Mechanical and Optical Resonators","value":3.17e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10478","display_name":"Diamond and Carbon-based Materials Research","value":3.07e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":2.93e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"24169881","wikidata":"https://www.wikidata.org/wiki/Q186608","display_name":"Phonon","score":0.9588606357574463},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7954441905021667},{"id":"26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","score":0.5353683829307556},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.42677462100982666},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.3804257810115814}],"counts_by_year":[{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2021,"works_count":3,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":6,"oa_works_count":4,"cited_by_count":8},{"year":2023,"works_count":7,"oa_works_count":4,"cited_by_count":9},{"year":2024,"works_count":5,"oa_works_count":2,"cited_by_count":10},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":11}],"display_name_alternatives":["Itsuki Takagi","Takagi, Itsuki"],"block_key":"i takagi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5077908605","updated_date":"2026-11-04T11:47:51","created_date":"2020-04-24T00:00:00"}