Jack Crystal
46Patents
17h-index
18Co-inventors
78Inventor score
Filing activity: Mar 8, 2002 → Jul 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7443292B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 219 | Expired |
| US7272982B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 182 | Expired |
| US7420464B2 | Methods and systems for gathering market research data inside and outside commercial establishments | Physics | 175 | Expired |
| US7471987B2 | Determining location of an audience member having a portable media monitor | Electricity | 160 | Expired |
| US6958710B2 | Universal display media exposure measurement | Physics | 144 | Expired |
| US8098152B2 | Universal display exposure monitor using personal locator service | Physics | 127 | Active |
| US7592908B2 | Universal display exposure monitor using personal locator service | Physics | 120 | Expired |
| US7408460B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 93 | Expired |
| US7650793B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 87 | Active |
| US7962315B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 76 | Active |
| US7463144B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 68 | Expired |
| US8185351B2 | Methods and systems for testing ability to conduct a research operation | Electricity | 47 | Active |
| US9332363B2 | System and method for determining meter presence utilizing ambient fingerprints | Physics | 42 | Active |
| US8738763B2 | Research data gathering with a portable monitor and a stationary device | Electricity | 38 | Active |
| US8538333B2 | Media exposure linking utilizing bluetooth signal characteristics | Emerging Cross-Sectional Technologies | 23 | Active |
| US8977194B2 | Media exposure and verification utilizing inductive coupling | Electricity | 20 | Active |
| US9489640B2 | Methods and systems for compliance confirmation and incentives | Physics | 18 | Active |
| US9696336B2 | Multiple meter detection and processing using motion data | Physics | 8 | Active |
| US8849182B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 6 | Active |
| US9992729B2 | Systems and methods for wirelessly modifying detection characteristics of portable devices | Electricity | 4 | Active |
| US10712361B2 | Multiple meter detection and processing using motion data | Physics | 3 | Active |
| US8444180B2 | Gathering data concerning publication usage | Performing Operations; Transporting | 3 | Active |
| US11047876B2 | Multiple meter detection and processing using motion data | Physics | 3 | Active |
| US8826316B2 | Systems and methods for configuring media devices utilizing audio codes or signatures | Electricity | 2 | Active |
| US11828769B2 | Multiple meter detection and processing using motion data | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.