Helmut Freller
13Patents
6h-index
16Co-inventors
59Inventor score
Filing activity: Aug 29, 1974 → Aug 12, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4603704A | Electrode for medical applications | Human Necessities | 70 | Expired |
| US4842710A | Method of making mixed nitride films with at least two metals | Chemistry; Metallurgy | 39 | Expired |
| US4612100A | Method for the fabrication of an implantable electrode | Human Necessities | 19 | Expired |
| US5445859A | Multipolar electrode lead | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4400254A | Method for preparing transparent, electrically conducting indium oxide (In.sub.2 O.sub.3) films | Chemistry; Metallurgy | 12 | Expired |
| US4385976A | Solderable layer system, its use and method for manufacturing same | Electricity | 6 | Expired |
| US4508430A | Electrochromic display cell I | Physics | 6 | Expired |
| US5061684A | Production of thin layers of a high temperature superconductor (HTSC) by a plasma-activated physical vapor deposition process, and cathodes used therein | Chemistry; Metallurgy | 5 | Expired |
| US4532174A | Layer system for opto-electronic displays | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3963839A | Method for the preparation of thin layers of tungsten and molybdenum | Chemistry; Metallurgy | 3 | Expired |
| US5100701A | Solder-repelling coating for tools | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4198449A | Method for the preparation of thin films of high-temperature-resistant metals such as tungsten, molybdenum, rhenium or osmium | Chemistry; Metallurgy | 2 | Expired |
| US4508432A | Electrochromic display cell II | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.