3C
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Oct 13, 1999 → Oct 13, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6553111B1 | Synchronous digital hierarchy switch system | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.