Lexmark Corporation
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Dec 28, 1993 → Sep 26, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5421868A | Ink composition | Chemistry; Metallurgy | 33 | Expired |
| US5411778A | Rollers for use in electrophotographic development | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.