James D. Welch
1Patents
1Active
1Granted
47Portfolio score
Filing activity: Aug 5, 2007 → Aug 5, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7616319B1 | Spectroscopic ellipsometer and polarimeter systems | Physics | 106 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.