FFEI Limited
25Patents
18Active
25Granted
46Portfolio score
Filing activity: Jul 15, 2002 → Aug 1, 2018 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7702181B2 | Method and apparatus for forming a multiple focus stack image | Physics | 47 | Active |
| USD608457S1 | Slide carrier | General | 14 | Expired |
| US9116035B2 | Method and apparatus for image scanning | Physics | 13 | Active |
| US7706632B2 | Method and apparatus for forming a multiple focus stack image | Physics | 13 | Active |
| US7485834B2 | Method and apparatus for estimating an in-focus position | Electricity | 11 | Expired |
| USD632403S1 | Slide carrier | General | 9 | Expired |
| US7645971B2 | Image scanning apparatus and method | Physics | 8 | Active |
| US7271099B2 | Forming a conductive pattern on a substrate | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7198826B2 | Providing a surface layer or structure on a substrate | Performing Operations; Transporting | 5 | Expired |
| US8712116B2 | Image generation based on a plurality of overlapped swathes | Physics | 4 | Active |
| US8297736B2 | Inkjet head support assembly | Performing Operations; Transporting | 3 | Active |
| US7891802B2 | Ink pinning assembly | Performing Operations; Transporting | 3 | Active |
| US9638573B2 | Method and apparatus for image scanning | Physics | 2 | Active |
| US7312829B2 | Method of determining a device spectral response | Electricity | 1 | Expired |
| US8472692B2 | Method and apparatus for controlling a microscope | Physics | 1 | Active |
| US8319829B2 | Method and system for controlling the position of a microscope lens | Physics | 1 | Active |
| US9835837B2 | Method and apparatus for estimating an in-focus position | Physics | 1 | Active |
| US7969617B2 | Multilevel screening mapping tone values to control signal values for greater color or shade fidelity and reduced print aberrations | Electricity | 1 | Active |
| US7258456B2 | Light filtering apparatus | Physics | 1 | Expired |
| US7733586B2 | Lens positioning assembly | Physics | 0 | Active |
| US10241310B2 | Method of forming an imaging calibration device | Physics | 0 | Active |
| US7760957B2 | Sharpness enhancement | Physics | 0 | Active |
| US9454691B2 | Method for forming an image reference device | Physics | 0 | Active |
| US9903785B2 | Method and apparatus for image scanning | Physics | 0 | Active |
| US11044383B2 | Method of printing digital images | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.