Gunther Dausmann
14Patents
4h-index
17Co-inventors
57Inventor score
Filing activity: Nov 20, 1985 → Jun 26, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10895743B2 | Display apparatus for superimposing a virtual image into the field of vision of a user | Physics | 25 | Active |
| US5943131A | Method for checking authenticity of a hologram and a reading device for the performance of the method | Physics | 9 | Expired |
| US5026132A | Method of producing and reproducing holograms | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7315407B2 | Security system, particularly for valuable documents | Physics | 4 | Expired |
| US8599458B2 | Method and apparatus for the production of volume transmission and/or reflection holograms | Emerging Cross-Sectional Technologies | 3 | Active |
| US4730929A | Method and device for the contactless measurement of movement | Physics | 2 | Expired |
| US6750465B2 | Device for evaluating diffractive authenticity features | Physics | 2 | Expired |
| US8810766B2 | Method and device for producing contact copies | Physics | 1 | Active |
| US4989929A | Process of making an achromatic hologram which is adapted to be reconstructed with white light | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7724408B2 | Security system, especially for security documents | Physics | 1 | Active |
| US10076921B2 | Document with hologram, and method of producing same | Physics | 1 | Active |
| US8077364B2 | Security system, particularly for valuable documents | Physics | 0 | Active |
| US5943144A | Process for the manufacture of non-replicable holograms possessing authenticity features and a reading device to check authenticity | Physics | 0 | Expired |
| US8059320B2 | Method for production of documents with a hologram and a document with a hologram | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.