Paul T. Kohlmann
39Patents
8h-index
23Co-inventors
75Inventor score
Filing activity: Oct 10, 2000 → May 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6749936B2 | Achromatic multilayer diffractive pigments and foils | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6815065B2 | All-dielectric optical diffractive pigments | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6569529B1 | Titanium-containing interference pigments and foils with color shifting properties | Emerging Cross-Sectional Technologies | 51 | Expired |
| US9662925B2 | Anisotropic magnetic flakes | Emerging Cross-Sectional Technologies | 35 | Active |
| US7238424B2 | All-dielectric optically variable pigments | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7258915B2 | Flake for covert security applications | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6991860B2 | Titanium-containing interference pigments and foils with color shifting properties | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7235300B2 | Titanium-containing interference pigments and foils with color shifting properties | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10048415B2 | Non-dichroic omnidirectional structural color | Physics | 8 | Active |
| US6849343B2 | Titanium-containing interference pigments and foils with color shifting properties | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6933048B2 | Titanium-containing interference pigments and foils with color shifting properties | Emerging Cross-Sectional Technologies | 5 | Expired |
| US11214689B2 | High chroma flakes | Physics | 3 | Active |
| US10928579B2 | Optical devices | Physics | 3 | Active |
| US10207479B2 | Magnetic articles | Chemistry; Metallurgy | 2 | Active |
| US10061065B2 | Interference pigments or foils as separate structures having color match or mismatch depending on viewing angle | Chemistry; Metallurgy | 1 | Active |
| US12187901B2 | Composition including reflective particles | Chemistry; Metallurgy | 1 | Active |
| US9561682B2 | Multi color-shifting devices comprising a layer having a microstructured surface and a dielectric non-conforming layer | Emerging Cross-Sectional Technologies | 1 | Active |
| US9508475B2 | Magnetic multilayer pigment flake and coating composition | Electricity | 1 | Active |
| US10493724B2 | Magnetic articles | Chemistry; Metallurgy | 0 | Active |
| US11892663B2 | Article including a wavelength selective absorbing material | Physics | 0 | Active |
| US12187900B2 | High chromaticity pigment flakes and foils | Chemistry; Metallurgy | 0 | Active |
| US10882280B2 | Magnetic articles | Chemistry; Metallurgy | 0 | Active |
| US12359072B2 | Pigment including an intermetallic compound | Chemistry; Metallurgy | 0 | Active |
| US11079525B2 | Matched interference pigments or foils having viewing angle dependent mismatch | Chemistry; Metallurgy | 0 | Active |
| US11441041B2 | Magnetic multilayer pigment flake and coating composition | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.