Inventor · disambiguated record
Olivier Rozumek
Also filed as: ROZUMEK OLIVIER
20 granted patents·527 citations·filing 1989–2013
96Inventor score
Top patents by PatentIndex Score
20 records- 0197US6695905B2Pigments having a viewing angle dependent shift of color, method for producing said pigments, use of said pigments in security applications, coating composition comprising said pigments and a detecting deviceSICPA HOLDING SA·Filed 2001·Granted Feb 24, 2004·72 cites·28 claims
- 0295US8734679B2Identification and authentication using liquid crystal material markingsMARGUERETTAZ XAVIER·Filed 2012·Granted May 27, 2014·46 cites·30 claims
- 0393US6200628B1Use of inorganic particles and method for making and identifying a substrate or an articleSICPA HOLDING SA·Filed 1998·Granted Mar 13, 2001·79 cites·9 claims
- 0490US8426014B2Modified marking based on chiral liquid crystal polymersTILLER THOMAS·Filed 2010·Granted Apr 23, 2013·7 cites·30 claims
- 0590US7702108B2Use of communication equipment and method for authenticating an item, unit and system for authenticating items, and authenticating deviceSICPA HOLDING SA·Filed 2001·Granted Apr 20, 2010·107 cites·3 claims
- 0689US8864037B2Multilayer flake with high level of codingSICPA HOLDING SA·Filed 2013·Granted Oct 21, 2014·8 cites·42 claims
- 0787US7798403B2Item carrying at least two data storage elementsSICPA HOLDING SA·Filed 2005·Granted Sep 21, 2010·18 cites·13 claims
- 0884US8734678B2Identification and authentication using polymeric liquid crystal material markingsMARGUERETTAZ XAVIER·Filed 2012·Granted May 27, 2014·4 cites·31 claims
- 0983US4966628ASecurity document printing inkSICPA HOLDING SA·Filed 1989·Granted Oct 30, 1990·37 cites·17 claims
- 1080US9200204B2Identification and authentication using polymeric liquid crystal material markingsMARGUERETTAZ XAVIER·Filed 2010·Granted Dec 1, 2015·4 cites·34 claims
- 1178US8740088B2Identification and authentication using liquid crystal material markingsMARGUERETTAZ XAVIER·Filed 2009·Granted Jun 3, 2014·6 cites·24 claims
- 1278US6472455B1Ink composition comprising first and second optically variable pigmentsSICPA HOLDING SA·Filed 1999·Granted Oct 29, 2002·32 cites·35 claims
- 1376US5658964AHighly reactive printing inksSICPA HOLDING SA·Filed 1995·Granted Aug 19, 1997·30 cites·18 claims
- 1472US8821756B2Substrate with a modified liquid crystal polymer markingTILLER THOMAS·Filed 2012·Granted Sep 2, 2014·1 cites·33 claims
- 1569US6793720B2Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigmentsSICPA HOLDING SA·Filed 2001·Granted Sep 21, 2004·8 cites·22 claims
- 1666US6160046AAbrasion-removable coating and method of applicationSICPA HOLDING SA·Filed 1997·Granted Dec 12, 2000·20 cites·13 claims
- 1763US7188768B1Printing ink, use of micro-wires as antennas in security documents, method for producing a security document and methods for authentication of security documentsSICPA HOLDING SA·Filed 2000·Granted Mar 13, 2007·5 cites·18 claims
- 1855US6306929B1Bleeding ink for printing security documentsSICPA HOLDING SA·Filed 1999·Granted Oct 23, 2001·18 cites·17 claims
- 1952US6673420B1Inorganic sheet carrying symbols for making pigmentsSICPA HOLDING SA·Filed 1999·Granted Jan 6, 2004·14 cites·25 claims
- 2048US6521036B1Optically variable pigments providing a color shift between two distinct colors, coating composition comprising the same, method for producing the same and substrate coated with the coating compositionSICPA HOLDING SA·Filed 1999·Granted Feb 18, 2003·11 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →