Manfred Heim
51Patents
10h-index
71Co-inventors
81Inventor score
Filing activity: Sep 30, 1981 → Feb 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7849993B2 | Devices and method for the production of sheet material | Performing Operations; Transporting | 63 | Expired |
| US7808605B2 | Sheeting and methods for the production thereof | Performing Operations; Transporting | 36 | Expired |
| US7699350B2 | Security element and security document with one such security element | Physics | 24 | Expired |
| US8964296B2 | Method for producing a microstructure on a carrier | Performing Operations; Transporting | 19 | Active |
| US9016726B2 | Security element having a microstructure | Performing Operations; Transporting | 17 | Active |
| US9176266B2 | Security element, value document comprising such a security element and method for producing such a security element | Performing Operations; Transporting | 14 | Active |
| US8778481B2 | Security element and method for the production thereof | Emerging Cross-Sectional Technologies | 13 | Active |
| US8534708B2 | See-through security element with microstructures | Emerging Cross-Sectional Technologies | 12 | Active |
| US10525759B2 | Visually variable security element and method for production thereof | Performing Operations; Transporting | 12 | Active |
| US9274258B2 | Thin-layer element having an interference layer structure | Performing Operations; Transporting | 12 | Active |
| US9399366B2 | Security element | Performing Operations; Transporting | 9 | Active |
| US9004540B2 | Security element | Emerging Cross-Sectional Technologies | 7 | Active |
| US9007669B2 | Security element and method for producing the same | Performing Operations; Transporting | 7 | Active |
| US8685488B2 | Method for producing a microstructure | Emerging Cross-Sectional Technologies | 7 | Active |
| US8906184B2 | Method for producing a micro-optical display arrangement | Emerging Cross-Sectional Technologies | 7 | Active |
| US8276945B2 | Security element provided with an optically-variable layer and method for the production thereof | Performing Operations; Transporting | 6 | Active |
| US8613471B2 | Security element and method for the production thereof | Performing Operations; Transporting | 5 | Active |
| US7085058B2 | Security element with flip-flop color change effect and magnetic properties, article compromising such a security element and method for producing said security element and said article | Physics | 5 | Expired |
| US8534710B2 | Security element and method for manufacturing the same | Physics | 5 | Active |
| US7744129B2 | Areal security element and method for producing it | Emerging Cross-Sectional Technologies | 4 | Active |
| US9336640B2 | Security element for securing documents of value | Performing Operations; Transporting | 3 | Active |
| US8317231B2 | Security element with metallization | Performing Operations; Transporting | 3 | Active |
| US8794674B2 | Security element and method for the production thereof | Physics | 3 | Active |
| US7611168B2 | Security document and security element for a security document | Physics | 3 | Expired |
| US7037606B2 | Security element | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.