Gary Mark Shafer
31Patents
12h-index
30Co-inventors
77Inventor score
Filing activity: Feb 21, 1997 → Jul 3, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6169483A | Self-checkout/self-check-in RFID and electronics article surveillance system | Physics | 282 | Expired |
| US5942978A | Wireless transmitter key for EAS tag detacher unit | Emerging Cross-Sectional Technologies | 168 | Expired |
| US6700491B2 | Radio frequency identification tag with thin-film battery for antenna | Electricity | 156 | Expired |
| US8452868B2 | Retail product tracking system, method, and apparatus | Physics | 74 | Active |
| US8378826B2 | Key device for monitoring systems | Physics | 53 | Active |
| US6970141B2 | Phase compensated field-cancelling nested loop antenna | Electricity | 47 | Expired |
| US7692543B2 | Antenna for a combination EAS/RFID tag with a detacher | Emerging Cross-Sectional Technologies | 38 | Active |
| US8508367B2 | Configurable monitoring device | Physics | 37 | Active |
| US7202790B2 | Techniques for tuning an antenna to different operating frequencies | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7609163B2 | Radio frequency ID Doppler motion detector | Physics | 29 | Active |
| US7215250B2 | Proximity detaching for electronic article surveillance tags | Fixed Constructions | 23 | Expired |
| US5940043A | Unidirectional field antenna for identification system | Electricity | 12 | Expired |
| US8378823B2 | Transmit-only electronic article surveillance system and method | Physics | 9 | Active |
| US8358209B2 | Techniques for detecting RFID tags in electronic article surveillance systems using frequency mixing | Physics | 9 | Active |
| USD678794S1 | Electronic article surveillance security gate | General | 8 | Active |
| US7463155B2 | Techniques for radio frequency identification and electronic article surveillance receivers | Physics | 7 | Expired |
| US7994911B2 | System, method, and apparatus for triggering an alarm | Physics | 6 | Active |
| US8941471B2 | RF switched RFID multiplexer | Physics | 4 | Active |
| US8120462B2 | Method and system for standing wave detection for radio frequency identification marker readers | Physics | 4 | Active |
| US7615836B2 | Magnetic self-assembly for integrated circuit packages | Electricity | 4 | Expired |
| US7199717B2 | Frequency-division marker for an electronic article surveillance system | Physics | 4 | Expired |
| US8009044B2 | Motion detector having asymmetric zones for determining direction of movement and method therefore | Physics | 3 | Active |
| US7888140B2 | Magnetic self-assembly for integrated circuit packages | Electricity | 3 | Active |
| US9171439B2 | Method and apparatus for powering a security device | Physics | 2 | Active |
| US7142113B2 | Method and apparatus to detect an external source | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.