Robert S. Keller
18Patents
10h-index
16Co-inventors
69Inventor score
Filing activity: Nov 13, 1991 → Jun 16, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5262860A | Method and system communication establishment utilizing captured and processed visually perceptible data within a broadcast video signal | Electricity | 438 | Expired |
| US5418908A | System for automatically establishing a link between an electronic mail item and a remotely stored reference through a place mark inserted into the item | Physics | 175 | Expired |
| US5758049A | Method of and apparatus for providing automatic detection and processing of an empty multimedia data object | Electricity | 134 | Expired |
| US5555426A | Method and apparatus for disseminating messages to unspecified users in a data processing system | Electricity | 128 | Expired |
| US5349662A | Method of and apparatus for providing automatic detection of user activity | Physics | 102 | Expired |
| US5875261A | Method of and apparatus for optical character recognition based on geometric and color attribute hypothesis testing | Physics | 71 | Expired |
| US5381527A | System for efficient message distribution by succesively selecting and converting to an alternate distribution media indicated in a priority table upon preferred media failure | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5471616A | Method of and apparatus for providing existential presence acknowledgement | Physics | 36 | Expired |
| US5906656A | Method and system for providing actions by way of electronic distributions | Physics | 21 | Expired |
| US5701510A | Method and system for efficient designation and retrieval of particular segments within a multimedia presentation utilizing a data processing system | Physics | 13 | Expired |
| US6134657A | Method and system for access validation in a computer system | Physics | 10 | Expired |
| US5396564A | Method of and apparatus for recognizing predominate and non-predominate color code characters for optical character recognition | Physics | 6 | Expired |
| US5406640A | Method of and apparatus for producing predominate and non-predominate color coded characters for optical character recognition | Physics | 5 | Expired |
| US5408594A | Method and apparatus for visual accentuation of displayed information | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5485605A | Method of and apparatus for providing a group query | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8090702B2 | Analyzing web site traffic | Electricity | 1 | Active |
| US9569784B2 | Efficiently resolving the values for the tag parameters thereby syndicating the tag data as early as possible | Electricity | 0 | Active |
| US9471927B2 | Efficiently resolving the values for the tag parameters thereby syndicating the tag data as early as possible | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.