Steven J. Keiser
9Patents
6h-index
11Co-inventors
52Inventor score
Filing activity: Jan 14, 2005 → Nov 30, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7243839B2 | Systems, methods, and devices for selling transaction instruments | Physics | 105 | Expired |
| US7624921B1 | Systems, methods and devices for selling transaction instruments | Physics | 27 | Active |
| US7918392B2 | Systems, methods, and devices for selling transaction instruments | Physics | 17 | Active |
| US7344067B2 | Systems, methods and devices for selling transaction instruments | Physics | 15 | Active |
| US7455222B2 | Systems, methods and devices for selling transaction instruments | Physics | 8 | Active |
| US7611051B1 | Systems, methods and devices for selling transaction instruments | Physics | 7 | Active |
| US7841519B2 | Systems, methods and devices for selling transaction instruments | Physics | 3 | Active |
| US7458509B2 | systems, methods and devices for selling transaction instruments | Physics | 2 | Active |
| USRE45409E1 | Systems, methods and devices for selling transaction instruments | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.