Joseph Cai
18Patents
9h-index
22Co-inventors
72Inventor score
Filing activity: Oct 28, 1991 → Sep 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6250551A | Autodiscrimination and line drawing techniques for code readers | Physics | 242 | Expired |
| US5241164A | Method of decoding bar code symbols from partial scans | Physics | 89 | Expired |
| US5324924A | Bar code decoder with changeable working ranges | Physics | 80 | Expired |
| US6405925B2 | Autodiscrimination and line drawing techniques for code readers | Physics | 78 | Expired |
| US5278398A | Decoding bar code symbols by determining the best alignment of partial scans | Physics | 59 | Expired |
| US7395970B2 | Zero-footprint camera-based point-of-sale bar code presentation scanning system | Physics | 19 | Expired |
| US5929420A | Method for reading distorted bar codes | Physics | 15 | Expired |
| US5902986A | Bar code reader with means for discriminating between a moving indicia and a stationary indicia | Physics | 13 | Expired |
| US5773807A | Arrangement for and method of minimizing reading errors in bar code symbol readers | Physics | 9 | Expired |
| US7422153B2 | Decoding with data from multiple scans | Physics | 7 | Active |
| US7487916B2 | Imaging-based bar code reader with enhanced decoding capability | Physics | 5 | Active |
| US8162224B2 | Method of setting amount of exposure for photodetector array in barcode scanner | Physics | 3 | Active |
| US11346075B2 | Bucket with cast hinge assembly | Fixed Constructions | 1 | Active |
| US8960550B2 | Minimizing misdecodes in electro-optical readers | Physics | 0 | Active |
| US11434620B2 | Bucket with cast hinge | Performing Operations; Transporting | 0 | Active |
| US10325128B1 | Long range barcode scanning | Physics | 0 | Active |
| US8915442B2 | Arrangement for and method of reducing short reads in an imaging reader | Physics | 0 | Active |
| US8657195B2 | Document capture with imaging-based bar code readers | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.