Patent assignee · COMPANY

Soft DB Inc.

3Patents
3Active
3Granted
45Portfolio score

Filing activity: Jun 22, 2004 → Aug 16, 2012 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8116461B2 Sound volume automatic adjustment method and system Electricity 14 Active
US7460675B2 Auto-adjusting sound masking system and method Electricity 7 Active
US8564339B2 Method and system for measuring amplitude and phase difference between two sinusoidal signals Physics 0 Active

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