Densitometric colour measurements

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, image forming system, and calibration method
- Patent number 10,389,919
- Issue date Aug 20, 2019
- Ricoh Company, Ltd.
- Ryotaro Miwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color measurement device and image forming apparatus
- Patent number 9,267,841
- Issue date Feb 23, 2016
- Canon Kabushiki Kaisha
- Shun-ichi Ebihara
- G01 - MEASURING TESTING
Information Patent Grant
Color analysis
- Patent number 9,132,681
- Issue date Sep 15, 2015
- Hewlett-Packard Development Company, L.P.
- Jordi Arnabat Benedicto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color analysis
- Patent number 8,960,845
- Issue date Feb 24, 2015
- Hewlett-Packard Development Company, L.P.
- Jordi Arnabat Benedicto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Spectrometer, and image evaluating unit and image forming device in...
- Patent number 8,964,176
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Naohiro Kamijo
- G01 - MEASURING TESTING
Information Patent Grant
Color measurement device and color measurement method
- Patent number 8,687,176
- Issue date Apr 1, 2014
- Seiko Epson Corporation
- Kenji Hatada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
1974880
- Patent number 1,974,880
- Issue date Sep 25, 1934
- G01 - MEASURING TESTING