Inventor · Romilly-sur-Seine, FR

Pierre Doublet

19Patents
5h-index
18Co-inventors
63Inventor score

Filing activity: Sep 14, 1992 → Dec 19, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7128272B2 Method for making an article comprising a sheet and at least an element directly mounted thereon Performing Operations; Transporting 31 Expired
US6402888B1 Security paper comprising localized areas with reduced thickness and opacity, and method for making same Textiles; Paper 19 Expired
US5992741A Magnetic detection of security articles Physics 6 Expired
US7632380B2 Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same Emerging Cross-Sectional Technologies 5 Expired
US7936660B2 Optical disk for an identification element Physics 5 Active
US5486928A Method for manufactuing a stamp to emboss wire cloths in order to make watermarks and equipment to implement this method Physics 5 Expired
US8056820B2 Security structure, particularly for a security document and/or a valuable document Textiles; Paper 5 Active
US8558995B2 Structure comprising a fibrous material substrate and method for authenticating and/or identifying such a structure Physics 4 Active
US8840756B2 Device for creating multitone watermarks and methods of manufacture and use thereof Textiles; Paper 4 Active
US9701151B2 Security thread Emerging Cross-Sectional Technologies 3 Active
US7883762B2 Double sided printed security document Emerging Cross-Sectional Technologies 3 Expired
US8110008B2 Secure paper comprising a fiber layer and an electronic chip Physics 2 Active
US8079519B2 Structure including an electronic device for making a security document Emerging Cross-Sectional Technologies 2 Active
US8445392B2 Knitted structure designed to be incorporated in a sheet material Emerging Cross-Sectional Technologies 1 Active
US7905422B2 Relatively small security elements, production method thereof, sheet and security document comprising same Textiles; Paper 1 Active
US8372241B2 Process for manufacturing a sheet material Textiles; Paper 0 Active
US8449719B2 Security paper Performing Operations; Transporting 0 Active
US7754314B2 Security paper highly resistant to double folding and method for making same Emerging Cross-Sectional Technologies 0 Active
US8040281B2 Radiofrequency device Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.