Inventor · Orange Park, FL, US

Shivkumar Mahadevan

78Patents
14h-index
83Co-inventors
87Inventor score

Filing activity: Aug 2, 2001 → Oct 12, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7786185B2 Wettable hydrogels comprising acyclic polyamides Chemistry; Metallurgy 88 Active
US9170349B2 Medical devices having homogeneous charge density and methods for making same Physics 88 Active
US9125808B2 Ionic silicone hydrogels Chemistry; Metallurgy 87 Active
US9297928B2 Ophthalmic compositions comprising polyether substituted polymers Physics 66 Active
US8940812B2 Silicone polymers comprising sulfonic acid groups Chemistry; Metallurgy 66 Active
US8022158B2 Wettable hydrogels comprising acyclic polyamides Chemistry; Metallurgy 65 Active
US7879267B2 Method for coating articles by mold transfer Performing Operations; Transporting 31 Expired
US9052438B2 Ophthalmic devices comprising photochromic materials with reactive substituents Emerging Cross-Sectional Technologies 24 Active
US10197707B2 Ophthalmic devices comprising photochromic materials with reactive sub substituents Emerging Cross-Sectional Technologies 22 Active
US9612364B2 Medical devices having homogeneous charge density and methods for making same Physics 18 Active
US6867172B2 Methods of inhibiting the adherence of lenses to their packaging Emerging Cross-Sectional Technologies 16 Expired
US7368589B2 Purification of silicone containing compounds by supercritical fluid extraction Emerging Cross-Sectional Technologies 15 Expired
US9101667B2 Ionic silicone hydrogels comprising pharmaceutical and/or neuticeutical components and having improved hydrolytic stability Physics 14 Active
US6933401B2 Process for the production of vicinal diesters from epoxides Chemistry; Metallurgy 14 Expired
US9746695B2 Methods and apparatus to form biocompatible energization primary elements for biomedical devices Emerging Cross-Sectional Technologies 12 Active
US9815979B2 Non-reactive, hydrophilic polymers having terminal siloxanes and methods for making and using the same Physics 12 Active
US9522980B2 Non-reactive, hydrophilic polymers having terminal siloxanes and methods for making and using the same Physics 11 Active
US7901075B2 Laser enhanced lens Performing Operations; Transporting 11 Active
US8414804B2 Process for making ophthalmic lenses Physics 9 Active
US11021558B2 Polymer compositions containing grafted polymeric networks and processes for their preparation and use Chemistry; Metallurgy 9 Active
US10961341B2 Ophthalmic devices derived from grafted polymeric networks and processes for their preparation and use Chemistry; Metallurgy 7 Active
US9981434B2 Method of making silicone containing contact lens with reduced amount of diluents Performing Operations; Transporting 7 Active
US10661964B2 Packages for ophthalmic lenses containing pharmaceutical agents Performing Operations; Transporting 6 Active
US9423528B2 Method of making silicone containing contact lens with reduced amount of diluents Performing Operations; Transporting 5 Active
US10676575B2 Tri-block prepolymers and their use in silicone hydrogels Chemistry; Metallurgy 5 Active

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