{"id":"https://openalex.org/A5113907283","orcid":null,"observed_orcids":[],"display_name":"Kwang Nak Koh","raw_author_names":["Kwang Nak Koh","Kwang-Nak Koh"],"full_name":"Kwang Nak Koh","works_count":15,"cited_by_count":408,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5113907283","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":[1996,1995,1994]},{"institution":{"id":"https://openalex.org/I31419693","ror":"https://ror.org/040c17130","display_name":"Kyungpook National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]},"years":[2002,1999,1998]},{"institution":{"id":"https://openalex.org/I4921948","ror":"https://ror.org/01an57a31","display_name":"Pusan National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]},"years":[2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4921948","ror":"https://ror.org/01an57a31","display_name":"Pusan National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"topics":[{"id":"https://openalex.org/T10532","display_name":"Molecular Sensors and Ion Detection","count":4,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10578","display_name":"Supramolecular Chemistry and Complexes","count":4,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","count":4,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","count":3,"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/T10903","display_name":"Porphyrin and Phthalocyanine Chemistry","count":3,"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/T10532","display_name":"Molecular Sensors and Ion Detection","value":2.15e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10903","display_name":"Porphyrin and Phthalocyanine Chemistry","value":1.85e-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/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","value":1.81e-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/T11472","display_name":"Analytical Chemistry and Sensors","value":1.66e-05,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10578","display_name":"Supramolecular Chemistry and Complexes","value":1.25e-05,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9537431001663208},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.804915726184845},{"id":"32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","score":0.695155143737793},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.330876886844635},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.05928105115890503}],"counts_by_year":[{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"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":26},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"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":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["Kwang Nak Koh","Kwang-Nak Koh"],"block_key":"k koh","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113907283","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}