Gary G. Hansen
9Patents
7h-index
21Co-inventors
63Inventor score
Filing activity: Aug 6, 1976 → Dec 22, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5812945A | Metered payment cellular telephone communication system | Electricity | 63 | Expired |
| US4286325A | System and method for computing domestic and international postage | Physics | 52 | Expired |
| US4377214A | Method and apparatus for interfacing an electronic scale system with a storage medium | Physics | 35 | Expired |
| US7328995B2 | Method and apparatus for embedding information in an image | Emerging Cross-Sectional Technologies | 21 | Active |
| US7913162B2 | System and method for collaborative annotation using a digital pen | Physics | 19 | Active |
| US4143981A | Unit document feeding mechanism | Performing Operations; Transporting | 11 | Expired |
| US4211397A | Unit document feeding mechanism | Performing Operations; Transporting | 7 | Expired |
| US8560457B2 | Enhanced network server authentication using a physical out-of-band channel | Physics | 6 | Active |
| US7794036B2 | Ensuring print quality for postage meter systems | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.