David Tsi
16Patents
10h-index
30Co-inventors
64Inventor score
Filing activity: Sep 29, 1994 → Jun 28, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5859417A | Optical scanners having dual surface optical elements for dual working ranges | Physics | 47 | Expired |
| US6114712A | One piece optical assembly for low cost optical scanner | Physics | 41 | Expired |
| US5984188A | Terminal with board-mounted slim scan module | Physics | 34 | Expired |
| US5693929A | Scanning module with spring made resistant to overflexing | Physics | 26 | Expired |
| US5552592A | Slim scan module with dual detectors | Physics | 25 | Expired |
| US5714746A | Terminal with slim scan module with generally orthogonal circuit board arrangement | Physics | 22 | Expired |
| US5682029A | Slim scan module with dual detectors | Physics | 21 | Expired |
| US6410931B1 | Electro-optical reader with hands-free and hand-held modes of operation | Physics | 20 | Expired |
| US6435412B2 | Multi-channel signal processing in an optical reader | Physics | 18 | Expired |
| US6612493B1 | Optical scanner including a thermostatically controlled heater module or hermatic seal to prevent internal condensation | Physics | 16 | Expired |
| US6213399A | Multi-channel signal processing in an optical reader | Physics | 9 | Expired |
| US6382513B1 | Optical scanner with segmented collection mirror | Physics | 7 | Expired |
| US6991168B2 | Multi-channel signal processing in an optical reader | Physics | 6 | Expired |
| US6220514A | Electro-optical scanner having stationary, multi-surface mirror having surfaces with aplanar profiles | Physics | 4 | Expired |
| US6732935B2 | Multipurpose lens holder for reading optically encoded indicia | Physics | 1 | Expired |
| US6834805B2 | Optical scanner with segmented collection mirror | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.