Hans-Ulrich Hofs
7Patents
5h-index
14Co-inventors
56Inventor score
Filing activity: May 2, 1988 → Jun 9, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6294726A | Silicon with structured oxygen doping, its production and use | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5032377A | Chromium oxide green, a process for its production and its use | Chemistry; Metallurgy | 7 | Expired |
| US4911760A | Color pure iron oxide pigments, a process for their preparation | Chemistry; Metallurgy | 6 | Expired |
| US5185141A | Process for the production of iron oxide yellow pigments | Chemistry; Metallurgy | 6 | Expired |
| US5108508A | Rutile mixed phase pigment microgranulates, a process for their preparation and their use | Chemistry; Metallurgy | 5 | Expired |
| US5049195A | Color pure iron oxide pigments, a process for their preparation and their use | Chemistry; Metallurgy | 2 | Expired |
| US4957562A | Chrome oxide green, a process for its preparation and its use | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.