Axel Hoppe
4Patents
4h-index
4Co-inventors
36Inventor score
Filing activity: Mar 24, 1982 → Sep 28, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4537641A | Process for producing valve-metal anodes for electrolytic capacitors | Performing Operations; Transporting | 52 | Expired |
| US4569693A | Process for improving the flowability and increasing the bulk density of high-surface area valve metal powders | Chemistry; Metallurgy | 27 | Expired |
| US4548672A | Process for treating the surface of valve metals with chalcogens | Electricity | 16 | Expired |
| US4446116A | Process for recovering niobium and/or tantalum compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.