Wolfgang Dultz
36Patents
10h-index
41Co-inventors
71Inventor score
Filing activity: Dec 20, 1996 → May 22, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6609139B1 | Method for generating a random number on a quantum-mechanical basis and random number generator | Physics | 47 | Expired |
| US6310991A | Integrated optical circuit | Physics | 31 | Expired |
| US5973823A | Method for the mechanical stabilization and for tuning a filter having a photonic crystal structure | Physics | 30 | Expired |
| US6430345B1 | Method and device for producing a choice of either single photons or pairs of photons in an optical channel | Physics | 28 | Expired |
| US6529666B1 | Single-mode optical fiber | Physics | 21 | Expired |
| US7003665B1 | Method for the secure transmission of messages | Electricity | 20 | Expired |
| US6986056B1 | Method and arrangement for generating binary sequences of random numbers | Electricity | 19 | Expired |
| US6198557A | Telecommunication system having frequency-dividing optical components for the parallel processing of optical pulses | Electricity | 17 | Expired |
| US6748081B1 | Quantum cryptography system for a secure transmission of random keys using a polarization setting method | Physics | 13 | Expired |
| US6393448B1 | Optical random-number generator based on single-photon statistics at the optical beam splitter | Physics | 11 | Expired |
| US6331910A | Arrangement and method for electrically controlling the intensity of unpolarized light | Physics | 10 | Expired |
| US6282333A | Method and device to compensate for polarization mode dispersion in an optical transmission link | Electricity | 8 | Expired |
| US6249350A | Interferometer and methods for compensation of dispersion or increase in spectral resolution of such an interferometer | Physics | 7 | Expired |
| US6031588A | Ferroelectric liquid crystal device for local reduction of light intensity in the visual field | Physics | 7 | Expired |
| US7649610B1 | Method and device for reducing speckle formation on a projection screen | Electricity | 7 | Expired |
| US6636278B1 | Device for the local attenuation of the light intensity in the field of vision of a light-sensitive monitoring device | Electricity | 6 | Expired |
| US6338882B1 | Process for applying a light-blocking layer between a photoconducting layer and a mirror when manufacturing an optically addressable spatial light modulator | Physics | 5 | Expired |
| US6813424B1 | Optical communications link | Physics | 4 | Expired |
| US6563980B1 | Method and device for spectral level balancing in wavelength division multiplex multi-channel systems | Physics | 3 | Expired |
| US6649087B1 | Liquid crystalline materials for optical phase modulation | Chemistry; Metallurgy | 3 | Expired |
| US5833833A | Method of preparing a pyroelectric mixture and pyroelectric device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6952296B1 | Method and device for forming the intensity profile of a laser beam | Electricity | 2 | Expired |
| US6975800B2 | Fused silica-based optical waveguide and method for its manufacture | Physics | 1 | Expired |
| US6501894B2 | Plastic optical fiber | Physics | 1 | Expired |
| US6181407A | Electro-optical material having a lamellar liquid crystal structure | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.