Inventor · Longjumeau, FR

Leanirith Yean

13Patents
5h-index
16Co-inventors
63Inventor score

Filing activity: Jun 26, 1990 → Oct 18, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5702825A Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions Emerging Cross-Sectional Technologies 82 Expired
US5258144A Method of manufacturing a transparent polymer material article with a refractive index gradient Physics 15 Expired
US6225021A Photopolymerizable composition based on polyiso(thio)cyanate monomers and on monomers with a labile proton, comprising a photoinitiating agent and an agent for activating the photopolymerization and optical articles obtained Physics 11 Expired
US5310847A Polymer compositions based on polythiourethanes for the manufacture of organic glasses Emerging Cross-Sectional Technologies 9 Expired
US5095079A Method and device for producing a graded index polymer Chemistry; Metallurgy 8 Expired
US7393880B2 Radically polymerizable composition resulting in shock resistant organic lenses Chemistry; Metallurgy 4 Expired
US8270089B2 Thermoplastic polyurethane lenses with a specified weight percentage of urethane repeating units Physics 2 Active
US6518393B2 Polymerizable compositions for manufacturing transparent polymeric substrates, resulting transparent polymeric substrates and their applications in the optical field Physics 1 Expired
US6677420B2 Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates, and uses thereof in optics Emerging Cross-Sectional Technologies 1 Expired
US6794474B2 Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates and uses thereof in optics Emerging Cross-Sectional Technologies 1 Expired
US10850362B2 Method of manufacturing ophthalmic lenses and system for the manufacturing of such ophthalmic lenses Performing Operations; Transporting 0 Active
US10131029B2 Method of manufacturing ophthalmic lenses and system for the manufacturing of such ophthalmic lenses Performing Operations; Transporting 0 Active
US7022268B2 Process for moulding a lens having an insert Physics 0 Expired

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