{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11501638","patent":{"patent_number":"US-11501638","title":"Traffic flow estimation apparatus, traffic flow estimation method, and storage medium","assignee":null,"inventors":[],"filing_date":"2020-07-21T00:00:00.000Z","publication_date":"2022-11-15T00:00:00.000Z","cpc_codes":["G08G","G08G","G08G","G08G","G08G","G08G"],"num_claims":12,"abstract":"A traffic flow estimation apparatus includes: a vehicle number detector which detects a number of preceding vehicles in front of the traffic flow estimation apparatus and; a traffic flow estimator which estimates a traffic flow from the number of preceding vehicles, and the traffic flow estimator includes: an acquisition unit which acquires a time series of the number of preceding vehicles in a first predetermined period as a vehicle number time series; an evaluation index calculation unit which calculates an evaluation index of the vehicle number time series in the first predetermined period; a congestion state determination unit which determines the traffic flow of the preceding vehicles on the basis of the evaluation index; and a traffic flow controller which notifies a following vehicle behind the traffic flow estimation apparatus of an indication with respect to travel on the basis of the traffic flow of the preceding vehicles."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Traffic flow estimation apparatus, traffic flow estimation method, and storage medium","description":"A traffic flow estimation apparatus includes: a vehicle number detector which detects a number of preceding vehicles in front of the traffic flow estimation apparatus and; a traffic flow estimator whi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11501638","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11501638","citation_suggestion":"Patentable. \"Traffic flow estimation apparatus, traffic flow estimation method, and storage medium\" (US-11501638). https://patentable.app/patents/US-11501638","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11501638","json":"https://patentable.app/api/llm-context/US-11501638","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:21:10.387Z"}