David Ingram
5Patents
2h-index
3Co-inventors
44Inventor score
Filing activity: Jan 19, 1995 → Feb 18, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562781A | Amorphous, hydrogenated carbon (a-C:H) photovoltaic cell | Emerging Cross-Sectional Technologies | 21 | Expired |
| US8199889B2 | Visual voicemail unavailability solution | Electricity | 4 | Active |
| US9621639B2 | Methods and apparatus to reduce memory requirements for process control system software applications | Electricity | 0 | Active |
| US8526920B2 | Visual voicemail unavailability solution | Electricity | 0 | Active |
| US9002929B2 | Methods and apparatus to reduce memory requirements for process control system software applications | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.