Ching-Ray CHANG
1Patents
1Active
1Granted
39Portfolio score
Filing activity: Mar 25, 2008 → Mar 25, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7993766B2 | Perpendicular magnetic recording medium and method for fabricating the same | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.