{"id":"https://openalex.org/A5084400680","orcid":null,"observed_orcids":[],"display_name":"S. Hiramatsu","raw_author_names":["Hiramatsu, S","S Hiramatsu","S. HIRAMATSU","S. Hiramatsu","Sigenori Hiramatsu"],"full_name":"Sigenori Hiramatsu","works_count":51,"cited_by_count":293,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5084400680","orcid":null,"observed_orcids":[]},"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":[1990]},{"institution":{"id":"https://openalex.org/I138728355","ror":"https://ror.org/01g5y5k24","display_name":"High Energy Accelerator Research Organization","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I138728355"]},"years":[2013,2007,2006,2003,2002,1999,1998,1996,1995,1994,1993,1992,1991,1990,1989,1980]},{"institution":{"id":"https://openalex.org/I19820366","ror":"https://ror.org/034t30j35","display_name":"Chinese Academy of Sciences","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I4210137180","ror":"https://ror.org/03v8tnc06","display_name":"Institute of High Energy Physics","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I4389425305","ror":"https://ror.org/01qradn92","display_name":"KEK Accelerator Laboratory","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I138728355","https://openalex.org/I4389425305"]},"years":[2002]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","count":44,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10559","display_name":"Particle Accelerators and Free-Electron Lasers","count":35,"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/T10048","display_name":"Particle physics theoretical and experimental studies","count":15,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","count":13,"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/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","count":11,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10559","display_name":"Particle Accelerators and Free-Electron Lasers","value":0.0001859,"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","value":8e-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/T12699","display_name":"Electromagnetic Launch and Propulsion Technology","value":2.72e-05,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T13418","display_name":"Photocathodes and Microchannel Plates","value":1.56e-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/T11044","display_name":"Particle Detector Development and Performance","value":1.5e-05,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9581478238105774},{"id":"168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","score":0.8218798637390137},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7593759894371033},{"id":"185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","score":0.6595383882522583},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.16692402958869934}],"counts_by_year":[{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":4,"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":4,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2013,"works_count":2,"oa_works_count":2,"cited_by_count":15},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["Hiramatsu, S","S Hiramatsu","S. HIRAMATSU","S. Hiramatsu","Sigenori Hiramatsu"],"block_key":"s hiramatsu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5084400680","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}
