Wayne Robert Tompkin
89Patents
16h-index
35Co-inventors
84Inventor score
Filing activity: Dec 13, 1995 → Jan 13, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5886798A | Information carriers with diffraction structures | Physics | 71 | Expired |
| US6060143A | Optical information carrier | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5760961A | Optical information carrier having diffractive features and diffraction modulation layers | Physics | 50 | Expired |
| US6369947B1 | Surface pattern | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6359734B1 | Surface pattern | Performing Operations; Transporting | 37 | Expired |
| US5882463A | Method of applying a security element to a substrate | Performing Operations; Transporting | 35 | Expired |
| US6226109A | Diffractive security device on compact discs | Physics | 33 | Expired |
| US7719733B2 | Diffractive security element comprising a half-tone picture | Performing Operations; Transporting | 28 | Active |
| US6602578B1 | Decorative foil | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6819409B1 | System for reading an information strip containing optically coded information | Physics | 25 | Expired |
| US7265904B2 | Optical security element | Physics | 21 | Expired |
| US6365907B1 | Device for recognizing diffraction optical markings | Physics | 20 | Expired |
| US7551335B2 | Optically variable element and the use thereof | Performing Operations; Transporting | 19 | Expired |
| US7762591B2 | Security document | Performing Operations; Transporting | 18 | Expired |
| US6157487A | Optically variable surface pattern | Performing Operations; Transporting | 17 | Expired |
| US5969863A | Surface pattern including light-diffracting relief structures | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6324004A | Planar patterns with superimposed diffraction gratings | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8514492B2 | Multilayer body and method for producing a multilayer body | Emerging Cross-Sectional Technologies | 16 | Active |
| US7102823B2 | Diffractive security element having an integrated optical waveguide | Performing Operations; Transporting | 15 | Expired |
| US6906861B2 | Light-diffracting binary grating structure | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6417968B1 | Diffractive surface pattern | Physics | 13 | Expired |
| US8308197B2 | Diffractive security element with individualized code | Performing Operations; Transporting | 12 | Active |
| US8432589B2 | Multi-layer body having optical-action elements for producing an optical effect | Physics | 11 | Active |
| US6927885B2 | Label with a diffractive bar code and reading arrangement for such labels | Physics | 10 | Expired |
| US7002746B2 | Security element comprising macrostructures | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.