Phuc Ky Do
41Patents
13h-index
46Co-inventors
81Inventor score
Filing activity: May 23, 1985 → Sep 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7889384B2 | Method for more efficiently managing complex payloads in a point of sale system | Physics | 144 | Active |
| US7249212B2 | Bluetooth association based on docking connection | Electricity | 116 | Expired |
| US7146449B2 | Bluetooth association with simple power connection | Physics | 113 | Expired |
| US7183910B2 | Tiered on-demand location-based service and infrastructure | Human Necessities | 82 | Expired |
| US6754811B1 | Operating system device centric agent | Physics | 25 | Expired |
| US7913912B2 | On-demand point-of-sale scanner access | Physics | 23 | Active |
| US7996281B2 | Tiered on-demand location-based tracking service and infrastructure | Physics | 22 | Active |
| US6535947B1 | Methods, systems and computer program products for logically segmenting devices on a universal serial bus | Physics | 20 | Expired |
| US6967592B2 | Wireless highway guide | Physics | 19 | Expired |
| US4942390A | Method and apparatus for generating a character image | Physics | 16 | Expired |
| US6813650B1 | Multimode non-standard universal serial bus computer input device | Physics | 16 | Expired |
| US10129507B2 | System and method for self-checkout using product images | Physics | 16 | Active |
| US7325729B2 | Enhanced purchase verification for self checkout system | Physics | 14 | Expired |
| US10157413B2 | Method of using, apparatus, product, and system for a no touch point-of-sale self-checkout | Physics | 13 | Active |
| US6813669B1 | Agent provided by USB device for executing USB device dependent program in USB host | Physics | 13 | Expired |
| US7389934B2 | On-demand point-of-sale scanner access | Physics | 12 | Active |
| US6999589B2 | Method and system for automatic brokered transactions | Electricity | 11 | Expired |
| US7337962B2 | Method to detect false purchases with a consumer service device | Physics | 8 | Expired |
| US7178722B2 | Virtual shopping environment | Physics | 7 | Expired |
| US4619537A | Ribbon feed with ink depletion compensation | Performing Operations; Transporting | 7 | Expired |
| US7792336B2 | Signature capture aesthetic/temporal qualification failure detection | Physics | 6 | Active |
| US7461785B2 | Enhanced purchase verification for self checkout system | Physics | 5 | Active |
| US4758103A | Method and apparatus for quieting the operation of a dot matrix printer | Physics | 4 | Expired |
| US7283093B2 | Method and system for monitoring location based service emitter infrastructure | Electricity | 4 | Expired |
| US4680524A | Mechanism for positioning an output member | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.