Jackson Lum
25Patents
7h-index
7Co-inventors
62Inventor score
Filing activity: Nov 1, 1977 → Apr 14, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6312175A | Integrated keyboard input device | Physics | 107 | Expired |
| US5196684A | Method and apparatus for improving the throughput of a CCD bar code scanner/decoder | Physics | 56 | Expired |
| US6272529A | Point-of-sale system and distributed computer network for same | Physics | 41 | Expired |
| US6546441B1 | Point-of-sale system | Physics | 41 | Expired |
| US5895452A | Point-of-sale system | Physics | 15 | Expired |
| USD454876S1 | Modular keyboard | General | 12 | Expired |
| US4127232A | Method and apparatus for tallying food items selected on menus | Physics | 9 | Expired |
| US7203728B2 | Point-of-sale system and distributed computer network for same | Physics | 7 | Expired |
| USD462983S1 | POS display | General | 7 | Expired |
| USD446210S | Modular point of sale keyboard | General | 6 | Expired |
| USD436355S | Laser bar code reader module for integration with a POS keyboard | General | 6 | Expired |
| US7949567B2 | Integrated interface apparatus for point-of-sale system | Physics | 5 | Active |
| US7654446B2 | Monitor with interchangeable base for point-of-sale applications | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7837104B2 | Monitor with interchangeable base and monitor mount for point-of-sale applications | Mechanical Engineering; Lighting; Heating | 4 | Active |
| USD469435S1 | Integrated keyboard | General | 3 | Expired |
| USD487088S1 | Integrated keyboard | General | 3 | Expired |
| US7724642B2 | Method and apparatus for continuous operation of a point-of-sale system during a single point-of-failure | Electricity | 3 | Active |
| US7747787B2 | Hybrid industrial networked computer system | Electricity | 2 | Active |
| US8020761B2 | Point-of-sale terminal system with integrated RF card reader and interchangeable base | Physics | 2 | Active |
| US4188550A | Photodetector circuit | Electricity | 2 | Expired |
| US7233478B2 | Method and apparatus for protecting a solenoid and its driving circuit in an electronic device | Electricity | 1 | Expired |
| US7953897B2 | Hybrid industrial networked computer system | Electricity | 1 | Active |
| US7984195B2 | Hybrid industrial networked computer system | Physics | 1 | Active |
| US7680904B2 | Diagnostic method and apparatus for detecting and locating computer network discontinuities | Electricity | 0 | Active |
| US8159485B2 | Customer pole display and interface | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.