Patent assignee · US · COMPANY

Sonic Foundry, Inc.

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4Patents
2Active
4Granted
39Portfolio score

Filing activity: Apr 15, 2002 → Apr 30, 2007 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7983915B2 Audio content search engine Physics 441 Active
US7149973B2 Rich media event production system and method including the capturing, indexing, and synchronizing of RGB-based graphic content Electricity 26 Expired
US6970579B1 Orientation invariant feature detection system and method for unstructured low-quality video Physics 10 Expired
US7913156B2 Rich media event production system and method including the capturing, indexing, and synchronizing of RGB-based graphic content Electricity 6 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.