David Schumann
5Patents
3h-index
6Co-inventors
46Inventor score
Filing activity: Dec 8, 2003 → Oct 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7526306B2 | Push to talk user interface | Electricity | 149 | Expired |
| US7454177B2 | Wireless communication device with enhanced feature set | Electricity | 5 | Expired |
| US10023330B2 | Yarn packaging and delivery system | Performing Operations; Transporting | 4 | Active |
| US11516307B1 | Support for multi-type users in a single-type computing system | Electricity | 1 | Active |
| US12200081B2 | Support for multi-type users in a single-type computing system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.