Peter Heilmann
18Patents
6h-index
50Co-inventors
69Inventor score
Filing activity: Nov 29, 1984 → Nov 12, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6582781B1 | Multilayer cholesteric pigments | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5795643A | Anticopying film | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5728449A | Anti-copy film layer for documents | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4560624A | Magnetic recording media with a dual protective coating of silicon monoxide and chromium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5490476A | Temperature indicator for deep-frozen products | Physics | 8 | Expired |
| US5569522A | Anticopying film | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5856046A | Production of electrodes | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5585139A | Magnetic recording medium and the production thereof | Physics | 4 | Expired |
| US6605235B1 | Cholesteric layered material having an improved color impression, and the production thereof | Chemistry; Metallurgy | 4 | Expired |
| US6033516A | Process for the production of an anticopy film | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5085889A | Process for the preparation of magnetic particle dispersions using ball mills and grinding media | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5763074A | Heat sealing film | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6231963A | Magnetic recording media | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6936340B2 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6835450B2 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5419959A | Magnetic recording medium having an infra-red light transparent balkcoat layer | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8673344B2 | Solid dosage form with a film containing an active substance, as well as its method of production | Emerging Cross-Sectional Technologies | 0 | Active |
| US6074759A | Media suitable for the thermal transfer of layers | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.