David Ian Howarth
6Patents
4h-index
2Co-inventors
47Inventor score
Filing activity: Mar 1, 1991 → Oct 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5276861A | Guaranteed message delivery from a data handling computer to management computer by monitoring the management computer with the data handling computer and other management computer | Physics | 59 | Expired |
| US5276871A | Method of file shadowing among peer systems | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5274824A | Keyring metaphor for user's security keys on a distributed multiprocess data system | Physics | 42 | Expired |
| US5261096A | Interprocess message passing method in a distributed digital data system | Electricity | 41 | Expired |
| US11328193B2 | Optically deriving information from a security element | Physics | 0 | Active |
| US11562611B2 | Deriving information from an optically readable security element | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.