Frank E. Aspen
9Patents
4h-index
12Co-inventors
54Inventor score
Filing activity: Aug 5, 1981 → Nov 29, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4940495A | Photovoltaic device having light transmitting electrically conductive stacked films | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4369242A | Non-porous and porous Al.sub.2 O.sub.3 barrier zones in layered electrophotographic device | Physics | 14 | Expired |
| US6301200A | Magneto-optical data storage disc with highly conductive, smooth reflector layer | Physics | 7 | Expired |
| US6611365B2 | Thermoplastic substrates for holographic data storage media | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7034971B2 | Fabrication of sandwiched construction media | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6850345B2 | Sandwich holographic disk construction with thin molded substrates | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6839177B2 | Anti-reflective coating for holographic data storage media | Physics | 0 | Expired |
| US6228482A | Magneto-optic recording medium with reduced demagnetizing field threshold | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7427466B2 | Anti-reflection optical data storage disk master | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.