Gerardus De Keyzer
32Patents
6h-index
53Co-inventors
72Inventor score
Filing activity: Oct 11, 1990 → Jan 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5079214A | Patterned receiver for color filter array | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6444807B1 | Substituted phthalocyanine | Physics | 27 | Expired |
| US8610998B2 | Coloured organic electrophoretic particles | Emerging Cross-Sectional Technologies | 19 | Active |
| US6524382B1 | Pigmented vitreous material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5157527A | Device comprising a color filter and top coat | Physics | 13 | Expired |
| US9711665B2 | Color converters | Emerging Cross-Sectional Technologies | 7 | Active |
| US5231524A | Method of manufacturing a top coat | Physics | 6 | Expired |
| US8270063B2 | Encapsulated dispersions comprising electrophoretically mobile organic colorants | Chemistry; Metallurgy | 6 | Active |
| US9406848B2 | Color converter | Emerging Cross-Sectional Technologies | 5 | Active |
| US6544325B2 | Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it | Chemistry; Metallurgy | 5 | Expired |
| US9236535B2 | Illumination devices | Chemistry; Metallurgy | 4 | Active |
| US6010567A | Black-pigmented structured high molecular weight material | Physics | 3 | Expired |
| US10230023B2 | Color converter | Emerging Cross-Sectional Technologies | 3 | Active |
| US7279514B2 | High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigments | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6165681A | Black-pigmented structured high molecular weight material | Physics | 2 | Expired |
| US6471765B2 | Dispersant compositions improving the heat stability of transparent pigments | Chemistry; Metallurgy | 1 | Expired |
| US7786313B2 | Heat-stable diketopyrrolopyrrole pigment mixtures | Chemistry; Metallurgy | 1 | Active |
| US9057020B2 | Black dichroic dye | Chemistry; Metallurgy | 1 | Active |
| US8040592B2 | Encapsulated dispersions comprising electrophoretically mobile organic colorants | Physics | 1 | Active |
| US7417154B2 | Heat-stable diketopyrrolopyrrole pigment mixtures | Chemistry; Metallurgy | 1 | Expired |
| US12122919B2 | Dichroic azo-azomethine dyes for liquid crystal compositions | Chemistry; Metallurgy | 0 | Active |
| US8927182B2 | Photosensitive resist composition for color filters for use in electronic paper display devices | Physics | 0 | Active |
| US7723530B2 | Use of polymerisable diketopyrrolopyrroles in colour filters | Chemistry; Metallurgy | 0 | Active |
| US6858073B2 | Pigmented vitreous material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10690825B2 | Color filter for low temperature applications | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.