Inventor

MARKANTES CHARLES T

US56 patents

⚠️ This page may combine multiple inventors who share the name “MARKANTES CHARLES T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARKANTES CHARLES T

JDS UNIPHASE CORP

Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures

Printed magnetic ink overt security image

Magnetic planarization of pigment flakes

Method and apparatus for orienting magnetic flakes

Thermal control interface coatings and pigments

Method and apparatus for orienting magnetic flakes

Robust multilayer magnetic pigments and foils

Security articles having diffractive surfaces and color shifting backgrounds

Security articles having diffractive surfaces and color shifting backgrounds

Methods and systems for verification of interference devices

Automated verification systems and method for use with optical interference devices

Opaque flake for covert security applications

Apparatus for orienting magnetic flakes

Kinematic images formed by orienting alignable flakes

Non-toxic flakes for authentication of pharmaceutical articles

Flake for covert security applications

Optically variable security devices

Magnetic plate for printing of optical effects

Two-step method of coating an article for security printing by application of electric or magnetic field

Printed magnetic ink overt security image

Robust multilayer magnetic pigments and foils

FLEX PRODUCTS INC

Multi-layered magnetic pigments and foils

Methods for producing imaged coated articles by using magnetic pigments

Methods for producing imaged coated articles by using magnetic pigments

Polymeric sheet having oriented multilayer interference thin film flakes therein, product using the same and method

Multi-layered magnetic pigments and foils

Diffractive surfaces with color shifting backgrounds

Achromatic multilayer diffractive pigments and foils

Automated verification systems and methods for use with optical interference devices

Chromatic diffractive pigments and foils

Paired optically variable article with paired optical structures and ink, paint and foil incorporating the same and method

Automated verification systems and methods for use with optical interference devices

Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method

Viewing device and method for ascertaining simultaneously optical color shift characteristics of an optically variable device

RAKSHA VLADIMIR P

Anisotropic magnetic flakes

Method and apparatus for orienting magnetic flakes

Security device formed by printing with special effect inks

Apparatus for orienting magnetic flakes

Apparatus for orienting magnetic flakes

Alignment of paste-like ink having magnetic particles therein, and the printing of optical effects

Two-axial alignment of magnetic platelets

Security image coated with a single coating having visually distinct regions

VIAVI SOLUTIONS INC

Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures

Method and apparatus for orienting magnetic flakes

Method and apparatus for orienting magnetic flakes

Security device formed by printing with special effect inks

Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures

Security device formed by printing with special effect inks

Apparatus for orienting magnetic flakes

Matched interference pigments or foils having viewing angle dependent mismatch