{"id":"https://openalex.org/A5058693129","orcid":null,"observed_orcids":[],"display_name":"Hirohiko Kitsuki","raw_author_names":["H Kitsuki","H. Kitsuki","Hirohiko KITSUKI","Hirohiko Kitsuki"],"full_name":"Hirohiko Kitsuki","works_count":20,"cited_by_count":120,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":4,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5058693129","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I135598925","ror":"https://ror.org/00p4k0j84","display_name":"Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I16269868","ror":"https://ror.org/03ypqe447","display_name":"Santa Clara University","country_code":"US","type":"education","lineage":["https://openalex.org/I16269868"]},"years":[2008,2007]},{"institution":{"id":"https://openalex.org/I4387156034","ror":"https://ror.org/033a1rv92","display_name":"Hitachi High-Tech (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4387156034","https://openalex.org/I65143321"]},"years":[2023,2008]},{"institution":{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]},"years":[2023,2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4387156034","ror":"https://ror.org/033a1rv92","display_name":"Hitachi High-Tech (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4387156034","https://openalex.org/I65143321"]},{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"topics":[{"id":"https://openalex.org/T10074","display_name":"Carbon Nanotubes in Composites","count":16,"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/T11661","display_name":"Copper Interconnects and Reliability","count":13,"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/T10083","display_name":"Graphene research and applications","count":12,"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":4,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T10857","display_name":"Advanced Electron Microscopy Techniques and Applications","count":2,"subfield":{"id":"https://openalex.org/subfields/1315","display_name":"Structural 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"}}],"topic_share":[{"id":"https://openalex.org/T11661","display_name":"Copper Interconnects and Reliability","value":0.0001282,"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/T10074","display_name":"Carbon Nanotubes in Composites","value":9.14e-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/T10083","display_name":"Graphene research and applications","value":3.85e-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/T14117","display_name":"Integrated Circuits and Semiconductor Failure Analysis","value":2.83e-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/T11032","display_name":"VLSI and Analog Circuit Testing","value":2.09e-05,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"177367955","wikidata":"https://www.wikidata.org/wiki/Q4468924","display_name":"Carbon nanofiber","score":0.9102245569229126},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8943270444869995},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5473873019218445},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.5075422525405884},{"id":"513720949","wikidata":"https://www.wikidata.org/wiki/Q1778729","display_name":"Carbon nanotube","score":0.42292657494544983}],"counts_by_year":[{"year":1998,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":2,"oa_works_count":1,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["H Kitsuki","H. Kitsuki","Hirohiko KITSUKI","Hirohiko Kitsuki"],"block_key":"h kitsuki","works_api_url":"https://api.openalex.org/works?filter=author.id:A5058693129","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5058693129","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}