Professional Software Technologies, Inc.
3Patents
0Active
3Granted
23Portfolio score
Filing activity: Apr 1, 1997 → Oct 2, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5892588A | Digital halftoning combining dot size modulation screen with dot frequency modulation screen within a single image | Electricity | 28 | Expired |
| US6118935A | Digital halftoning combining multiple screens within a single image | Electricity | 27 | Expired |
| US5953498A | Nonliner calibration of output devices | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.