Featured patents

Optically Effective Surface Relief Microstructures and Method of Making Them
US 08840146 B2, Sept. 23, 2014, Utilizing electromagnetic radiation, Martin Stalder / Rolic AG (Zug, CH)
Element having at least one surface area with an optically effective surface…

Security Document
US 08827314 B2, Sept. 9, 2014, Having Revealable Concealed Information, Fraud Preventer or Detector, Use Preventer or Detector, or Identifier, Reinhard Plaschka et al. / Giesecke & Devrient GmbH (Munich, DE)
Document of value, comprising:…

Product Security Pattern Based on Simultaneous Color Contrast
US 08770627 B2, July 8, 2014, Having specific color, Giordano Beretta / Hewlett-Packard Development Company, L.P. (Houston, US)
A product package article comprising…

Substrates
US 08684415 B2, April 1, 2014, Having Revealable Concealed Information, Fraud Preventer or Detector, Use Preventer or Detector, or Identifier, Lawrence Commander et al. / De La Rue International Limited (De La Rue House, Jays Close, Basingstoke, Hampshire, GB)
A method of forming a security device in which a liquid crystal material is…

Chemically Reactive Security Ink, a Method of Use of Such Ink, and Security Documents Incorporating Such Ink
US 08622436 B2, Jan. 7, 2014, Utilizing solvent, Stephen D. Webendorfer et al. / The Standard Register Company (Dayton, US)
A security document incorporating a chemically reactive security ink, comprising:…

Thread and Method of Manufacturing the Same, Counterfeit Preventive Paper Using Thread, Counterfeit Preventive Printed Material, and Method of Judging Authenticity Utilizing Them
US 08573651 B2, Nov. 5, 2013, Utilizing superposed layers, Takashi Shimamura et al. / Toppan Printing Co., Ltd. (Tokyo, JP)
A counterfeit preventive paper, comprising:…

Confidential Postcards
US 08579333 B2, Nov. 12, 2013, By folded portion, Michael Clark Dyer et al. / R.R. Donnelley & Sons (Chicago, US)
A postcard mailer comprising:…

Secure Data Protection Optically Variable Labels and Foils
US 08562025 B2, Oct. 22, 2013, Utilizing superposed layers, Kenneth John Drinkwater / Optaglio Limited (Swindon, GB)
A security device comprising a layered structure comprising:…

Luminous Advertisement Sheet
US 08567822 B2, Oct. 29, 2013, And electrically conductive material, Dong-Youn Shin et al. / Korea Institute of Machinery & Materials (Daejeon, KR)
A luminous advertisement sheet, comprising:…

Document Authentication Using Template Matching With Fast Masked Normalized Cross-Correlation
US 08485559 B2, July 16, 2013, Having Revealable Concealed Information, Fraud Preventer or Detector, Use Preventer or Detector, or Identifier, Yiwu Lei / 3M Innovative Properties Company (St. Paul, US)
A method comprising:…

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