Horst Leigeber
10Patents
5h-index
15Co-inventors
59Inventor score
Filing activity: Apr 17, 1990 → Nov 19, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6570648B1 | Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking | Physics | 21 | Expired |
| US6071438A | Process for the production of three-dimensionally crosslinked polymeric materials having broad cholesteric reflection bands, and filters, reflectors and polarizers produced by this process | Chemistry; Metallurgy | 19 | Expired |
| US6732961B2 | Method of producing platelets | Chemistry; Metallurgy | 8 | Expired |
| US5301045A | Helical liquid crystalline element which produces linear polarized light | Physics | 8 | Expired |
| US5359439A | Optical elements based on liquid-crystalline substances with no birefringence in a non-perpendicular direction and a process for their preparation | Physics | 8 | Expired |
| US6224664A | Mixture comprising pigments having a liquid-crystalline structure with a chiral phase and its use | Performing Operations; Transporting | 5 | Expired |
| US7401817B2 | Invisible, machine-detectable security marking, production of the security marking, and security system comprising this security marking | Physics | 5 | Expired |
| US5563298A | Stilbene-based materials, their preparation and use | Chemistry; Metallurgy | 3 | Expired |
| US5079149A | Process for the preparation of purple membrane containing bacteriorhodopsin | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6358574B1 | Liquid-crystalline silicones having increased UV stability | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.