{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11489990","patent":{"patent_number":"US-11489990","title":"Optical element, optical system, and imaging apparatus","assignee":null,"inventors":[],"filing_date":"2020-09-21T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":20,"abstract":"The present invention relates to an optical element including an optical surface, a tapered part located on an outer peripheral side of the optical surface and having a normal line of which a direction heading to an outside of the optical element from an inside thereof, faces an optical axis side, and a side surface part located on an outer peripheral side of the tapered part, in which when a distance in a straight line vertical to an optical axis of from an end point on the optical axis side of the tapered part to the side surface part is denoted by A and a height of the tapered part based on the straight line is defined by B, in a cross section including the optical axis and passing through the tapered part, B/A is larger than 0.2."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical element, optical system, and imaging apparatus","description":"The present invention relates to an optical element including an optical surface, a tapered part located on an outer peripheral side of the optical surface and having a normal line of which a directio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11489990","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-11489990","citation_suggestion":"Patentable. \"Optical element, optical system, and imaging apparatus\" (US-11489990). https://patentable.app/patents/US-11489990","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11489990","json":"https://patentable.app/api/llm-context/US-11489990","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:38:53.412Z"}