Jorg Hagemann
30Patents
7h-index
27Co-inventors
65Inventor score
Filing activity: Oct 28, 1992 → Oct 31, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5362615A | Photographic recording material containing a hydroquinone diether compound | Physics | 32 | Expired |
| US6102997A | Ink jet system | Performing Operations; Transporting | 16 | Expired |
| US5466569A | Color photographic recording material | Physics | 9 | Expired |
| US6177177A | Ink jet recording material comprising an agent exhibiting a concentration gradient. | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5674668A | Photographic recording material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5707786A | Processing of color photographic silver halide materials | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5935773A | Colour photographic silver halide material | Physics | 7 | Expired |
| US5981160A | Color photographic silver halide material | Physics | 6 | Expired |
| US5426022A | Photographic recording material comprising a specific light stabilizing compound | Physics | 4 | Expired |
| US5824465A | Polyalkylene naphthalate film comprising specific UV-absorber | Physics | 4 | Expired |
| US5441861A | Color photographic silver halide material | Physics | 4 | Expired |
| US5441855A | Color photographic recording material | Physics | 4 | Expired |
| US6242169A | Color photographic material | Physics | 3 | Expired |
| US5726004A | Photographic material | Physics | 3 | Expired |
| US6171773A | Color photographic print material | Physics | 3 | Expired |
| US5736308A | Color photographic silver halide material | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5310643A | Photographic recording material containing a light-protective agent | Physics | 1 | Expired |
| US6096492A | Color photographic material | Physics | 1 | Expired |
| US5436125A | Color photographic recording material containing combination of phenolic light stabilizers with novel polycyclic phenols as color stabilizers for the magenta pyrazoloazol type azomethine dyes | Physics | 1 | Expired |
| US6015655A | Color photographic recording material | Physics | 1 | Expired |
| US6383728B2 | Color photographic silver halide material | Physics | 1 | Expired |
| US6221572A | Color photographic material | Physics | 1 | Expired |
| US5340709A | Photographic recording material | Physics | 0 | Expired |
| US6020114A | Color photographic recording material | Physics | 0 | Expired |
| US6379879B2 | Color photographic silver halide material | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.