Keith Walker
13Patents
7h-index
18Co-inventors
59Inventor score
Filing activity: Aug 23, 1991 → Jul 16, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6940461B2 | Remote access device having multiple inductive coil antenna | Electricity | 59 | Expired |
| US6788193B2 | System and method for tire pressure monitoring providing automatic tire location recognition | Electricity | 35 | Expired |
| US6563474B2 | Remote access device having multiple inductive coil antenna | Electricity | 31 | Expired |
| US6668636B2 | System and method for tire pressure monitoring including tire location recognition | Electricity | 22 | Expired |
| US5198907A | Method and appratus for automatically locating predefined exposure areas in a scanned image | Electricity | 22 | Expired |
| US6397184B1 | System and method for associating pre-recorded audio snippets with still photographic images | Physics | 19 | Expired |
| US6691567B2 | System and method for tire pressure monitoring including automatic tire location recognition | Electricity | 17 | Expired |
| US6931920B2 | Tire monitoring system | Performing Operations; Transporting | 6 | Expired |
| US6317191A | Process for viewing a positive motion picture film scene image with integral audio soundtrack | Physics | 5 | Expired |
| US6829924B2 | Tire pressure monitoring system with low frequency initiation approach | Electricity | 4 | Expired |
| US6400399B1 | Process for viewing a motion picture film with concurrently displayed subtitle text | Physics | 4 | Expired |
| US8218608B2 | Self-tuning transmitter | Electricity | 3 | Active |
| US6422702B1 | Method for monitoring film remaining in a motion picture film magazine | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.