Narayanan Alwar
15Patents
8h-index
23Co-inventors
72Inventor score
Filing activity: Mar 8, 2002 → Aug 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6816784B1 | Method and system using delivery trucks to collect address location data | Physics | 46 | Expired |
| US6856897B1 | Method and system for computing road grade data | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6990409B2 | Method and system using delivery trucks to collect address location data | Physics | 40 | Expired |
| US7035733B1 | Method and system for obtaining road grade data | Physics | 36 | Expired |
| US8751156B2 | Method of operating a navigation system using images | Physics | 15 | Active |
| US10281293B2 | Method of operating a navigation system using images | Physics | 14 | Active |
| US8896686B2 | Determining a geometric parameter from a single image | Physics | 13 | Active |
| US7398154B2 | Method and system for computing road grade data | Emerging Cross-Sectional Technologies | 8 | Active |
| US9401771B2 | Systems and methods for delivering contextually relevant media content stream based on listener preference | Electricity | 5 | Active |
| US8854453B2 | Determining geographic position information from a single image | Physics | 4 | Active |
| US9989650B2 | Position in urban canyons | Physics | 3 | Active |
| US6985639B1 | Method for quantifying relative accuracy of database segments | Physics | 2 | Expired |
| US9097551B2 | Method and apparatus for processing location-based imaging and trace data | Physics | 1 | Active |
| US11770682B2 | Vehicle commute location patterns based on user location data | Electricity | 0 | Active |
| US11800323B2 | Vehicle mobility patterns based on user location data | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.