Hal Charych
18Patents
13h-index
34Co-inventors
74Inventor score
Filing activity: Jun 12, 1992 → Sep 30, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD362435S | Optical scanner | General | 73 | Expired |
| US7142120B2 | Item finding using RF signalling | Physics | 65 | Expired |
| US7075437B2 | RFID relay device and methods for relaying and RFID signal | Performing Operations; Transporting | 45 | Expired |
| US6332575A | Audible indicators for optical code reading systems | Physics | 45 | Expired |
| US5581067A | Compact bar code scanning module with shock protection | Physics | 38 | Expired |
| US7423606B2 | Multi-frequency RFID apparatus and methods of reading RFID tags | Electricity | 28 | Expired |
| US5374817A | Pre-objective scanner with flexible optical support | Physics | 26 | Expired |
| US5825010A | Bar code scanner positioning | Physics | 23 | Expired |
| US5543609A | Arrangement for and method of providing shock protection and vibration isolation for a scan module | Physics | 23 | Expired |
| US5763863A | Compact bar code scanning module with folded beam path and reflector mounted on spring | Physics | 19 | Expired |
| US7205953B2 | Directional antenna array | Electricity | 17 | Expired |
| US5920059A | Two-dimensional bar code scanner interface | Physics | 16 | Expired |
| US6206288A | Bar code scanner positioning | Physics | 14 | Expired |
| USD342491S | Optical scanner | General | 13 | Expired |
| US5789728A | Two-dimensional bar code scanner interface | Physics | 12 | Expired |
| US7091859B2 | Package-integrated RF relay | Performing Operations; Transporting | 9 | Expired |
| US6998983B2 | System and method for tracking data related to containers using RF technology | Performing Operations; Transporting | 9 | Expired |
| US5536925A | Optical scanner with scanning light beam and detector field of view | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.