{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8498052","patent":{"patent_number":"US-8498052","title":"Composition including an item and an encoded optical substrate and a method for identifying an item","assignee":null,"inventors":[],"filing_date":"2009-09-14T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["G06K","G06K","G06K"],"num_claims":24,"abstract":"A composition including an optical substrate removably attached to an item. At least a portion of the substrate has a diffraction grating embedded therein or thereon. The grating has a resultant refractive index variation at a grating location. The grating provides an output optical signal indicative of a code when illuminated by an incident light signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Composition including an item and an encoded optical substrate and a method for identifying an item","description":"A composition including an optical substrate removably attached to an item. At least a portion of the substrate has a diffraction grating embedded therein or thereon. The grating has a resultant refra","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8498052","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-8498052","citation_suggestion":"Patentable. \"Composition including an item and an encoded optical substrate and a method for identifying an item\" (US-8498052). https://patentable.app/patents/US-8498052","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8498052","json":"https://patentable.app/api/llm-context/US-8498052","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:05:20.448Z"}