The Ketchum Group
7Patents
6Active
7Granted
42Portfolio score
Filing activity: Oct 24, 1984 → Aug 4, 2015 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD754638S1 | Ear cushion for earphone assembly | General | 40 | Active |
| USD697894S1 | Portable loudspeaker | General | 20 | Active |
| USD704676S1 | Headphone assembly | General | 11 | Active |
| US9025806B2 | Headphone assembly | Electricity | 8 | Active |
| US9486030B2 | Audio pouch for helmet | Electricity | 2 | Active |
| US9609417B2 | Headphone assembly | Electricity | 0 | Active |
| US4539330A | Imidazolidinyl urea and derivatives thereof for use in opthalmic solutions | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.