John Kvarnstrand
7Patents
4h-index
12Co-inventors
50Inventor score
Filing activity: Sep 20, 2002 → Jun 17, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7183922B2 | Tracking apparatus, system and method | Electricity | 205 | Expired |
| US7187288B2 | RFID tag reading system and method | Electricity | 92 | Expired |
| US6801102B2 | Tunable filters having variable bandwidth and variable delay | Electricity | 52 | Expired |
| US7034636B2 | Tunable filters having variable bandwidth and variable delay | Electricity | 15 | Expired |
| US11047894B2 | Apparatus and method for production testing of devices with wireless capability | Electricity | 2 | Active |
| US10725079B2 | Arrangement and method for measuring the performance of devices with wireless capability | Electricity | 1 | Active |
| US11506697B2 | Measurement device for antenna systems | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.