{"name":"Takashi Umehara","orcid":"0000-0003-3464-2960","affiliation":"Ritsumeikan University","id":111582,"datarank":0.0,"percentile_rank":0.0,"paper_count":3,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}