Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AC

Andrea Callegari — 29 Patents

SSSicpa Holding Sa: 29 patents #5 of 301Top 2%
GGGiesecke+Devrient Currency Technology Gmbh: 1 patents #92 of 175Top 55%
Ecublens, CH: #3 of 201 inventorsTop 2%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Andrea Callegari has been granted 29 US patents while listed as an inventor at Sicpa Holding Sa. The first was granted in 2012 and the most recent in July 2025. Andrea Callegari ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Andrea Callegari in Ecublens, CH.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 4 patents in 2013.peak 42012: 1 patents20122013: 4 patents2014: 4 patents20142015: 3 patents2016: 3 patents20162017: 2 patents2018: 1 patents20182019: 1 patents2022: 2 patents20222023: 2 patents2024: 3 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12367359 Security marking, method and device for reading the security marking, security document marked with the security marking, and method and system for verifying said security document Todor Dinoev, Jean-Luc Dorier, Xavier Raemy, Benito Carnero, Evgeny Loginov 2025-07-22
12275265 Security element Raphael Dehmel, Yana Kisselova-Weckerle, Christoph Mengel, Christian Fuhse, Pierre Degott +3 more 2025-04-15
12214612 Method of designing a light-redirecting surface of a caustic layer, an optical security element comprising the designed light-redirecting surface of the caustic layer, a marked object, use and method of authenticating the object Mathieu Gillieron, Oscar De Feo 2025-02-04
12049097 Security documents or articles comprising optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers Evgeny Loginov, Claude-Alain Despland 2024-07-30
12001011 Optical element and a method of visually authenticating an object Yuliy Schwartzburg, Romain Testuz 2024-06-04
11987066 Optical security elements, marked object, method of authenticating an object and use of optical security elements for authenticating or securing against counterfeiting Pierre Degott, Todor Dinoev, Philipp Egger 2024-05-21
11847527 Verifiable access credential Jean-Luc Dorier, Todor Dinoev, Evgeny Loginov, Catherine Fankhauser, Kalin NICOLOV +2 more 2023-12-19
11823003 Method for authenticating a magnetically induced mark with a portable device Todor Dinoev, Jean-Luc Dorier, Edmund Halasz, Evgeny Loginov, Claude-Alain Despland 2023-11-21
11298966 Thin optical security element and method of designing it Pierre Degott, Todor Dinoev, Christophe Garnier, Alain Mayer, Yuliy Schwartzburg +2 more 2022-04-12
11292283 Optical security element Pierre Degott, Todor Dinoev, Christophe Garnier, Alain Mayer, Yuliy Schwartzburg +2 more 2022-04-05
10331086 Method and system for authenticating a timepiece Eric Decoux, Lorenzo Sirigu 2019-06-25
9940515 Image analysis for authenticating a product Huu Duc Christophe Pham, Yves Berthier, Gatien Chevallier, Eric Estermann, Aamir Qayoom +2 more 2018-04-10
9816031 Composite marking based on chiral liquid crystal precursors Tristan Jauzein 2017-11-14
9772607 Method and system for authenticating a device Eric Decoux 2017-09-26
9465367 Method and system for authenticating using external excitation Eric Decoux, Lorenzo Sirigu, Yves Berthier 2016-10-11
9367710 Watch identification and authentication system and method Lorenzo Sirigu, Christine Reinhard, Eric Decoux, Thierry Mauron, Yves Berthier 2016-06-14
9285777 Method and system for authenticating a timepiece Eric Decoux, Yves Berthier 2016-03-15
9223293 Method and system for authenticating a timepiece Eric Decoux, Cécile LAPORTE 2015-12-29
8985463 Security marking authentication device Eric Decoux 2015-03-24
8951438 Simplified control of color shifting properties of a chiral liquid crystal polymer Tristan Jauzein 2015-02-10
8864037 Multilayer flake with high level of coding Frédéric Gremaud, Cecile Pasquier, Tristan Jauzein, Olivier Rozumek, Brahim Kerkar +2 more 2014-10-21
8821756 Substrate with a modified liquid crystal polymer marking Thomas Tiller, Olivier Rozumek, Tristan Jauzein, Frédéric Gremaud, Brahim Kerkar 2014-09-02
8746555 Method of marking a document or item; method and device for identifying the marked document or item; use of circular polarizing particles Eric Decoux 2014-06-10
8672218 Method of marking a document or item; method and device for identifyng the marked document or item; use of circular polarizing particles Eric Decoux 2014-03-18
8426014 Modified marking based on chiral liquid crystal polymers Thomas Tiller, Frédéric Gremaud, Olivier Rozumek, Brahim Kerkar 2013-04-23