Larry Spencer
13Patents
11h-index
14Co-inventors
65Inventor score
Filing activity: Dec 28, 1995 → Jun 16, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6360167B1 | Vehicle navigation system with location-based multi-media annotation | Physics | 315 | Expired |
| US5862511A | Vehicle navigation system and method | Physics | 253 | Expired |
| US6308134A | Vehicle navigation system and method using multiple axes accelerometer | Physics | 155 | Expired |
| US5991692A | Zero motion detection system for improved vehicle navigation system | Physics | 131 | Expired |
| US6282495A | Vehicle navigation system with improved powerup performance | Emerging Cross-Sectional Technologies | 84 | Expired |
| US7295921B2 | Portable vehicle navigation system | Physics | 78 | Expired |
| US6052646A | Vehicle navigation system with improved powerup performance | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7075459B1 | Vehicle speed sensor for navigation system | Physics | 25 | Expired |
| US7668652B2 | Portable vehicle navigation system | Physics | 19 | Active |
| US6055479A | Vehicle navigation system with improved powerup performance | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6741928B2 | Navigation system with figure of merit determination | Physics | 11 | Expired |
| US7532978B2 | Off-board navigation system with personalized navigation database | Physics | 5 | Expired |
| US8315797B2 | Navigation system with swivel sensor mount | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.