Patent assignee · US · COMPANY

X-RITE INCORPORATED

80Patents
32Active
80Granted
45Portfolio score

Filing activity: Feb 12, 1990 → Jul 24, 2023 · 23 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6262804A Handheld color measurement instrument Physics 119 Expired
US6002488A Compact spectrophotometer Physics 100 Expired
US5369481A Portable spectrophotometer Physics 87 Expired
US6750971B2 Optical measurement device and related process Physics 80 Expired
US5118183A Automated strip reader densitometer Physics 78 Expired
US6583879B1 Benchtop spectrophotometer with improved targeting Physics 69 Expired
US5387977A Multiangular color measuring apparatus Physics 60 Expired
US7545499B2 Systems and methods for measuring a colored flexible material during a manufacturing process Physics 56 Active
US6005968A Scanner calibration and correction techniques using scaled lightness values Physics 50 Expired
US6198536A Portable scanning spectrophotometer Physics 45 Expired
US5062714A Apparatus and method for pattern recognition Physics 30 Expired
US6888633B2 Color measurement instrument with modulated illumination Physics 30 Expired
US8345252B2 Method and system for enhanced formulation and visualization rendering Physics 29 Active
US7944561B2 Measuring an appearance property of a surface using a bidirectional reflectance distribution function Physics 26 Active
US5400138A Programmable spectrophotometer using a data memory for storing a sequence of generalized commands Physics 24 Expired
US6061140A Spectrophotometer with selectable measurement area Physics 21 Expired
US5015098A Densitometer with error correction Physics 20 Expired
US5691817A Apparatus and method for calibration in a spectrophotometer Physics 20 Expired
US6867864B2 Optical measurement device and related process Physics 16 Expired
US6870544B2 Harmonizing color selection system and method Physics 15 Expired
US7030986B2 Optical measurement device and related process Physics 14 Expired
US5073028A Scanning densitometer Physics 14 Expired
US6825919B2 Handheld color measurement instrument Physics 14 Expired
US8274644B2 Sensing temperature of a light emitting diode Physics 12 Active
US5402361A Apparatus for method for logging, storing, and redirection of process related non-densitometric data generated by color processing equipment for use by an off site host computer Physics 12 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.