{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11472222","patent":{"patent_number":"US-11472222","title":"Multifunction pen","assignee":null,"inventors":[],"filing_date":"2018-10-24T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["G06F","G06F"],"num_claims":5,"abstract":"A multifunction pen is provided including a refill for a writing implement such as a ballpoint pen on a tip end side and including an electromagnetic induction-based electromagnetic induction refill on a rear end side such that there is no need to perform a switching operation between the writing refill and the electromagnetic induction refill. The multifunction pen includes a shaft tube 10 including openings at both of a tip end and a rear end, a writing refill 40 that is housed inside the shaft tube 10 and that includes a writing tip exposed through the opening at the tip end, and an electromagnetic induction refill 50 that is housed inside the shaft tube 10, that is exposed through the opening at the rear end, and that is employed in electromagnetic induction-based input."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multifunction pen","description":"A multifunction pen is provided including a refill for a writing implement such as a ballpoint pen on a tip end side and including an electromagnetic induction-based electromagnetic induction refill o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11472222","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-11472222","citation_suggestion":"Patentable. \"Multifunction pen\" (US-11472222). https://patentable.app/patents/US-11472222","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11472222","json":"https://patentable.app/api/llm-context/US-11472222","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:15:47.131Z"}