Alan Smith
14Patents
8h-index
23Co-inventors
72Inventor score
Filing activity: May 16, 1975 → Jun 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4489442A | Sound actuated microphone system | Electricity | 81 | Expired |
| USD467238S1 | Speaker | General | 48 | Expired |
| USD849086S1 | Video camera system | General | 36 | Active |
| USD449036S | Speaker | General | 33 | Expired |
| USD940777S1 | Video conferencing system | General | 20 | Active |
| USD924299S1 | Video conferencing system | General | 19 | Active |
| USD462066S1 | Speaker | General | 16 | Expired |
| USD924959S1 | Video conferencing system | General | 12 | Active |
| US4000370A | Line level microphone with built in limiter | Electricity | 8 | Expired |
| USD464640S1 | Speaker | General | 8 | Expired |
| USD940776S1 | Video conferencing system | General | 6 | Active |
| USD461795S1 | Speaker stand | General | 4 | Expired |
| USD465473S1 | Speaker | General | 1 | Expired |
| US9520737B2 | Speakerphone base for an electronic device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.