Fridrich Vazan
38Patents
9h-index
21Co-inventors
75Inventor score
Filing activity: Sep 15, 1986 → May 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4798785A | Recording elements comprising write-once thin film alloy layers | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5271978A | Optical recording media | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4904577A | Optical recording element and alloy for use therein | Physics | 19 | Expired |
| US4981772A | Optical recording materials comprising antimony-tin alloys including a third element | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5077181A | Optical recording materials comprising antimony-tin alloys including a third element | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6605330B2 | Phase-change recording element for write once applications | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4865955A | Recording elements comprising write-once thin film alloy layers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6365256B1 | Erasable phase change optical recording elements | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9142779B2 | Patterning of OLED materials | Electricity | 9 | Active |
| US6688365B2 | Method for transferring of organic material from a donor to form a layer in an OLED device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5733623A | Recording media for recordable element | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5585158A | Recordable optical element using low absorption materials | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5015548A | Erasable phase change optical recording elements and methods | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6544617B1 | Phase-change recording element for write once applications | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5196294A | Erasable optical recording materials and methods based on tellurium alloys | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6224960A | Phase-change recording medium for write once applications | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6497988B2 | Phase-change recording element for write once applications | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4797871A | Erasable optical recording method | Physics | 3 | Expired |
| US6790594B1 | High absorption donor substrate coatable with organic layer(s) transferrable in response to incident laser light | Performing Operations; Transporting | 3 | Expired |
| US10644239B2 | High precision, high resolution collimating shadow mask and method for fabricating a micro-display | Electricity | 3 | Active |
| US5972458A | Optical recording element with an interfacial layer between the recording layer and the reflecting layer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10147906B2 | High efficacy seal for organic light emitting diode displays | Electricity | 2 | Active |
| US5770293A | Method of forming recordable optical element using low absorption materials | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5843553A | High performance media for optical recording | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10636969B2 | Apparatus and method of directly patterning high resolution active matrix organic light emitting diodes using high-resolution shadow mask | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.