Inventor · disambiguated record
Henry D. Chadwick
Also filed as: CHADWICK HENRY · CHADWICK HENRY D · CHADWICK HENRY DEXTER
5 granted patents·2 pending applications·447 citations·filing 1975–2023
85Inventor score
Top patents by PatentIndex Score
7 records- 0193US7149750B2Method, system and program product for extracting essence from a multimedia file received in a first format, creating a metadata file in a second file format and using a unique identifier assigned to the essence to access the essence and metadata fileIBM·Filed 2001·Granted Dec 12, 2006·164 cites·33 claims
- 0290US5508732AData server, control server and gateway architecture system and method for broadcasting digital video on demandIBM·Filed 1993·Granted Apr 16, 1996·212 cites·20 claims
- 0373US3991379ALogic level decoding circuitUNITED TECHNOLOGIES CORP·Filed 1975·Granted Nov 9, 1976·33 cites·1 claims
- 0455US6112223AApparatus for fault-tolerant multimedia program distributionIBM·Filed 1997·Granted Aug 29, 2000·23 cites·13 claims
- 0553US2025187312A1Laminate materialAVON POLYMER PROD LTD·Filed 2023·Application pending·0 cites
- 0650US4408322AMethod and apparatus for measuring signal to noise ratio in a TDMA communications systemSATELLITE BUSINESS SYSTEMS·Filed 1980·Granted Oct 4, 1983·15 cites·14 claims
- 0740US2004240541A1Method and system for direct ingest and storage of digital video content with immediate access to content for browsing and editingIBM·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →