Inventor · disambiguated record
Jean-Francois Dufresne
Also filed as: DUFRESNE JEAN-FRANCOIS
4 granted patents·1 pending application·75 citations·filing 1993–2002
75Inventor score
Top patents by PatentIndex Score
5 records- 0190US6491851B1Method for obtaining an ophthalmic lens comprising a surface utility microstructure and resulting ophthalmic lensesESSILOR INT·Filed 2000·Granted Dec 10, 2002·62 cites·26 claims
- 0243US2003075814A1Method for obtaining an ophthalmic lens comprising a surface utility microstructure and resulting ophthalmic lensesESSILOR INT·Filed 2002·Application pending·0 cites
- 0339US5312718AMethod of manufacturing dies for pressing optical disksDIGIPRESS SA·Filed 1993·Granted May 17, 1994·5 cites·7 claims
- 0438US5763002AMethods of manufacture of master disk for making a die for pressing optical disksDIGIPRESS SA·Filed 1996·Granted Jun 9, 1998·8 cites·22 claims
- 0526US5770238AMaster disk for making dies for pressing in particular optical disksDIGIPRESS SA·Filed 1996·Granted Jun 23, 1998·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →