Index Inc.
4Patents
0Active
4Granted
28Portfolio score
Filing activity: Aug 4, 1975 → Sep 26, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517407A | Device for including enhancing information with printed information and method for electronic searching thereof | Physics | 86 | Expired |
| US4004904A | Electronic system for article identification | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD497122S1 | Folding bicycle | General | 17 | Expired |
| US6761131B2 | Apparatus for determining dog's emotions by vocal analysis of barking sounds and method for the same | Human Necessities | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.