AC

Andrea Callegari

SS Sicpa Holding Sa: 29 patents #5 of 301Top 2%
GG Giesecke+Devrient Currency Technology Gmbh: 1 patents #92 of 175Top 55%
📍 Ecublens, CH: #3 of 201 inventorsTop 2%
Overall (All Time): #126,939 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
8426014 Modified marking based on chiral liquid crystal polymers Thomas Tiller, Frédéric Gremaud, Olivier Rozumek, Brahim Kerkar 2013-04-23
8426012 Chiral liquid crystal polymer marking Thomas Tiller, Frédéric Gremaud 2013-04-23
8426011 Marking based on chiral liquid crystal polymers Thomas Tiller, Frédéric Gremaud 2013-04-23
8186573 Method of marking a document or item; method and device for identifying the marked document or item; use of circular polarizing particles Eric Decoux 2012-05-29