Inventor · Roswell, GA, US

Kai C. Su

83Patents
27h-index
41Co-inventors
88Inventor score

Filing activity: Mar 22, 1976 → Apr 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4153641A Polysiloxane composition and contact lens Physics 598 Expired
US4740533A Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units, and use thereof Chemistry; Metallurgy 342 Expired
US4189546A Polysiloxane shaped article for use in biomedical applications Emerging Cross-Sectional Technologies 235 Expired
US5070170A Wettable, rigid gas permeable, substantially non-swellable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units, and use thereof Physics 156 Expired
US5070169A Wettable, flexible, oxygen permeable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units and use thereof Physics 154 Expired
US4208362A Shaped body of at least two polymerized materials and method to make same Physics 85 Expired
US4217038A Glass coated polysiloxane contact lens Performing Operations; Transporting 75 Expired
US6082987A Apparatus for assembling a lens-forming device Emerging Cross-Sectional Technologies 72 Expired
US6103148A Method for curing a lens-forming fluid Emerging Cross-Sectional Technologies 67 Expired
US4468229A Tinted contact lenses and a method for their preparation with reactive dyes Physics 67 Expired
US4559059A Tinted contact lenses and a method for their preparation Physics 64 Expired
US5632936A Method and apparatus for molding ophthalmic lenses using vacuum injection Emerging Cross-Sectional Technologies 59 Expired
US5574554A Contact lens inspection apparatus and lens mold for use in such apparatus Emerging Cross-Sectional Technologies 55 Expired
US4208506A Polyparaffinsiloxane shaped article for use in biomedical applications Emerging Cross-Sectional Technologies 52 Expired
US4553975A Tinted contact lenses and a method for their preparation Physics 50 Expired
US5056689A Apparatus for removing components from solutions Human Necessities 48 Expired
US4929250A Ultraviolet absorbing lenses and method of making the same Textiles; Paper 45 Expired
US5098445A Ultraviolet radiation absorbing agent for bonding to an ocular lens Chemistry; Metallurgy 44 Expired
US4748189A Ophthalmic solutions and methods for improving the comfort and safety of contact lenses Human Necessities 42 Expired
US5018849A Colored contact lens and methods of making the same Physics 38 Expired
US4889693A Apparatus for venting of gases from contact lens cases Emerging Cross-Sectional Technologies 35 Expired
US6068464A Gasket for lens making Emerging Cross-Sectional Technologies 32 Expired
US4493783A Cleaning agent for optical surfaces Chemistry; Metallurgy 31 Expired
US4780488A Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof Chemistry; Metallurgy 31 Expired
US4963160A Reactive uv absorbing compositions and method of preparing lenses therefrom Chemistry; Metallurgy 31 Expired

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