The Google Patents bibliographic record for US Patent 5,726,435, Optically readable two-dimensional code and method and apparatus using the same, Masahiro Hara's QR code patent assigned to Nippon Denso Co Ltd, consulted for its filing date.
Facts
PublisherGoogle Patents / United States Patent and Trademark Office
URLhttps://patents.google.com/patent/US5726435
Source TypeReference Work
Reliability Tier1
Sources
US Patent 5,726,435 (Google Patents)
Google Patents / United States Patent and Trademark OfficeGoogle Patents US5726435, self-citation
Optically readable two-dimensional code and method and apparatus using the same
Google Patents US5726435, page URL
https://patents.google.com/patent/US5726435
Google Patents US5726435, self-citation (publisher)
Google Patents
Google Patents US5726435, self-citation (source-type)
Google Patents
Google Patents US5726435, self-citation (reliability-tier)
Google Patents
View the Source Claims Backed By This Source (7 claims)
This source backs 7 claims across the atlas. As facts: 6 well-attested. Plus 1 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Sources, 5 claims: 5 well-attested.
- Inventions, 2 claims: 1 well-attested, 1 general references.
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