Inventor · disambiguated record
Stephan Lüdtke
Also filed as: LUDTKE STEPHAN · LUEDTKE STEPHAN
3 granted patents·5 pending applications·94 citations·filing 2002–2009
74Inventor score
Top patents by PatentIndex Score
8 records- 0191US7160377B2Aqueous, colloidal gas black suspensionDEGUSSA·Filed 2003·Granted Jan 9, 2007·63 cites·19 claims
- 0280US8328930B2Pigment preparation, method for producing the same and its useTAUBER GERD·Filed 2008·Granted Dec 11, 2012·8 cites·9 claims
- 0375US7005004B2Aqueous, colloidal gas black suspensionDEGUSSA·Filed 2004·Granted Feb 28, 2006·23 cites·20 claims
- 0446US2007031319A1Carbon materialDEGUSSA·Filed 2006·Application pending·0 cites
- 0543US2006243165A1Colorant suspensionsDEGUSSA·Filed 2006·Application pending·0 cites
- 0642US2009305011A1Ink Jet InkEVONIK DEGUSSA GMBH·Filed 2009·Application pending·0 cites
- 0739US2004087707A1Aqueous, colloidal, freeze-resistant and storage-stable gas black suspensionFiled 2003·Application pending·0 cites
- 0838US2003041777A1Inkjet inkFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →