Inventor

KOHLMANN PAUL T

US21 patents

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

KOHLMANN PAUL T

VIAVI SOLUTIONS INC

Magnetic multilayer pigment flake and coating composition

Magnetic multilayer pigment flake and coating composition

Magnetic multilayer pigment flake and coating composition

Matched interference pigments or foils having viewing angle dependent mismatch

Micro-sized metamaterial absorbers

Magnetic multilayer pigment flake and coating composition

Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface

Anisotropic magnetic flakes

Interference pigments or foils as separate structures having color match or mismatch depending on viewing angle

Magnetic multilayer pigment flake and coating composition

JDS UNIPHASE CORP

Flake for covert security applications

All-dielectric optically variable pigments

Titanium-containing interference pigments and foils with color shifting properties

Titanium-containing interference pigments and foils with color shifting properties

Titanium-containing interference pigments and foils with color shifting properties

FLEX PRODUCTS INC

All-dielectric optical diffractive pigments

Achromatic multilayer diffractive pigments and foils

Titanium-containing interference pigments and foils with color shifting properties

FLEX PRODUCT INC

Titanium-containing interference pigments and foils with color shifting properties

RAKSHA VLADIMIR P

Anisotropic magnetic flakes

KOHLMANN PAUL T

Multi color-shifting devices comprising a layer having a microstructured surface and a dielectric non-conforming layer