GretagMacbeth, LLC
25Patents
0Active
25Granted
33Portfolio score
Filing activity: Mar 12, 1998 → Nov 3, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6181418A | Concentric spectrometer | Physics | 51 | Expired |
| US6043894A | Method for maintaining uniformity among color measuring instruments | Physics | 51 | Expired |
| US6081331A | Spectrometer | Physics | 49 | Expired |
| US5982501A | Reflectance measuring device | Physics | 36 | Expired |
| US6338030B1 | Processor controlled measuring device | Physics | 30 | Expired |
| US6844931B2 | Spectrophotometer and its use | Physics | 27 | Expired |
| US6765674B2 | Process and apparatus for the colorimetric measurement of a two-dimensional original | Electricity | 20 | Expired |
| US6424413B1 | Multi-channel integrating sphere | Physics | 19 | Expired |
| US6606156B1 | Spectrometer | Physics | 18 | Expired |
| US6439722B1 | System and method for synchronizing the appearance of color images | Physics | 18 | Expired |
| US6559944B1 | Method for maintaining uniformity among color measuring instruments | Physics | 16 | Expired |
| US6732917B1 | Apparatus for automatic measurement of measuring fields | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7064831B2 | Colorimeter with single cable low impact mounting system | Physics | 14 | Expired |
| US6880790B2 | Sensor with suction cup array mount | Physics | 11 | Expired |
| US6590648B1 | Apparatus for measuring light | Physics | 9 | Expired |
| US6226085A | Method and apparatus for surface effect characterization | Physics | 8 | Expired |
| US7113281B2 | Device for the pixel-by-pixel photoelectric measurement of a planar measured object | Physics | 7 | Expired |
| US7057727B2 | Device for the pixel-by-pixel photoelectric measurement of a planar measured object | Physics | 5 | Expired |
| US7280118B2 | Process for the production of a color palette | Physics | 4 | Expired |
| US6788412B2 | Process and device for the optical marking of a target region of a color measuring device on a measurement surface | Physics | 4 | Expired |
| US7116336B2 | System and method for transforming color measurement data | Physics | 3 | Expired |
| US7030987B2 | Colorimeter with high SNR | Physics | 2 | Expired |
| US7280196B2 | Spectrophotometer and subassemblies thereof | Physics | 2 | Expired |
| US7113315B2 | Profiling device, electronic projector equipped therewith and process for the profiling of an electronic display device | Electricity | 1 | Expired |
| US7342657B2 | Dual illumination angle goniometric spectrophotometer | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.