Inventor

RAKSHA VLADIMIR P

US83 patents

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

RAKSHA VLADIMIR P

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

System and method for forming an image on a substrate

Article with a dynamic frame formed with aligned pigment flakes

System and method for forming an image on a substrate

Optical device having an illusive optical effect and method of fabrication

Method and apparatus for orienting magnetic flakes

Security device formed by printing with special effect inks

System and method for forming an image on a substrate

Article with dynamic frame formed with aligned pigment flakes

Optical security device based on a surface of revolution

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

Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array

Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array

Colorant including a mixture of pigments

Security ink based security feature

Security ink based security feature

Security ink based security feature

Optical security element

Orienting magnetically-orientable flakes

Security device formed by printing with special effect inks

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

Patterned reflective optical structures

Article with curved patterns formed of aligned pigment flakes

Method and apparatus for orienting magnetic flakes

Robust multilayer magnetic pigments and foils

Patterned structures with optically variable effects

Apparatus for orienting magnetic flakes

Kinematic images formed by orienting alignable flakes

Alignable diffractive pigment flakes

All-dielectric optically variable pigments

Magnetic plate for printing of optical effects

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

Patterned optical structures with enhanced security feature

Printed magnetic ink overt security image

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

System and method for forming an image on a substrate

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

FLEX PRODUCTS INC

Alignable diffractive pigment flakes

All-dielectric optical diffractive pigments

PHILLIPS ROGER

Structured surfaces that exhibit color by rotation