Ferix Corporation
7Patents
0Active
7Granted
25Portfolio score
Filing activity: Jul 21, 1980 → Mar 12, 1984
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4414554A | Magnetic imaging apparatus | Electricity | 34 | Expired |
| US4544421A | Multi-directional field annealing of a thin-film electromagnetic read/write head | Electricity | 22 | Expired |
| US4494125A | Differential-permeability field-concentrating magnetic read/write head | Physics | 18 | Expired |
| US4470051A | Multiple head magnetic recording array | Electricity | 18 | Expired |
| US4539280A | Method for creating magnetic toner images having controlled toner distribution | Physics | 14 | Expired |
| US4411512A | Magnetic toner transfer apparatus | Physics | 4 | Expired |
| US4527169A | Toner transfer apparatus with slip action | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.