Hans Zapfe
1Patents
0Active
1Granted
20Portfolio score
Filing activity: Jul 25, 1985 → Jul 25, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4619755A | Sputtering system for cathode sputtering apparatus | Electricity | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.